Spezialisiert auf Software- und Lösungsarchitektur mit Fokus auf skalierbare IT-Systeme, Architekturberatung, Trainings (iSAQB-zertifiziert).
Aktualisiert am 03.12.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 03.12.2025
Verfügbar zu: 100%
davon vor Ort: 100%
Lösungsarchitektur
Softwarearchitektur
Beratung
Enterprise Architect
Qualitätsmanagement (Einführung...)
iSAQB
Trainer
Cloud Architect
German
native
Englisch

Einsatzorte

Einsatzorte

Stuttgart (+500km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

6 Monate
2025-06 - heute

Introduction of a central appointment scheduling tool

Solution Architect Solution Architecture Requirements Engineering Tool Evaluation ...
Solution Architect
Introduction of a central appointment scheduling tool for resource and participant management 

  • Assessed existing scheduling processes and tools across departments, identified integration points, data flows, and technical constraints within the existing IT landscape.
  • Defined functional and quality requirements in collaboration with various stakeholders. Conducted a structured market evaluation based on defined criteria.
  • Developed the conceptual and logical target architecture for the future scheduling solution, including integration scenarios, authentication concept, and data design.
  • Evaluated and designed API-based integration options (REST/SOAP) with existing systems such as identity management, CRM, and process tools.
  • Moderated workshops with business units and IT stakeholders to align requirements, demonstrate tool capabilities, and support decision-making.
  • Created architecture documentation and evaluation results in Confluence and LeanIX

Solution Architecture Requirements Engineering Tool Evaluation System Analysis Integration Architecture REST API JSON IAM Vendor Management Architecture Governance Workshop Facilitation Documentation Confluence LeanIX Jira draw.io SharePoint Terminland eTermin TIMIFY Doctolib ISI MED Porta
Industry / Medical
6 Monate
2025-06 - heute

CMS Integration & E-Commerce Platform Replacement

Solution Architect Solution Architecture Enterprise Architecture CMS Evaluation ...
Solution Architect
  • Defined the overall IT architecture strategy for CMS and E-Commerce modernization, including decoupled frontend, API-first integrations and multisite capability.
  • Collected and aligned cross-department requirements (Marketing, IT, International Units) and translated them into architectural and technical evaluations.
  • Led the vendor evaluation and selection process for Magnolia CMS, DirectusCMS and Pimcore, including scoring models, technical assessments, PoC preparation.
  • Designed the logical and technical target architecture for content, data flows, DAM, IAM integration, CDN/caching.
  • Assessed integration complexity with the future E-Commerce platform (product catalog, workflows, search, asset management, multilingual content delivery).
  • Coordinated stakeholders, facilitated decision-making workshops and ensured architectural governance.
  • Created management-ready decision documents, architectural overviews and evaluation summaries in Confluence and LeanIX.
Solution Architecture Enterprise Architecture CMS Evaluation Vendor Management Requirements Engineering Headless CMS E-Commerce Architecture Magnolia CMS DirectusCMS Pimcore API Design Integration Architecture IAM Confluence LeanIX Jira
Industry / Training Academy
2 Jahre 2 Monate
2023-10 - heute

iSAQB ? Certified professional for Software Architecture

Trainer Software architecture principles architectural documentation architectural guidance ...
Trainer
  • Delivered interactive iSAQB CPSA-F training sessions for both in-house and external participants
  • Provided a structured curriculum aligned with iSAQB standards to ensure effective knowledge transfer
  • Applied real-world examples and case studies to bridge the gap between theory and practical application
  • Facilitated group activities and hands-on exercises to reinforce core software architecture principles
  • Adapted training content and pace to the participants' specific needs and organizational contexts
  • Supported participants in preparing for the CPSA-F certification exam through targeted learning guidance
  • Fostered engagement with individualized feedback and coaching throughout the training
  • Enriched training content with best practices and insights gained from real-world consulting projects
Software architecture principles architectural documentation architectural guidance design methodologies architectural patterns Conceptboard OneDrive Office365 Microsoft Teams OBS Studio stakeholder engagement public speaking personalized coaching group facilitation remote and hybrid facilitation using digital collaboration tools EAM SOFT
Education & Training
2 Jahre 10 Monate
2023-02 - heute

Deliver a comprehensive lecture series

Lecturer Consulting Consultant types fields of consulting ...
Lecturer
  • Deliver a comprehensive lecture series on IT Consulting as a specialized elective for sixth-semester students
  • Cover a broad spectrum of essential topics including general and ITspecific consulting, enterprise and software architecture, project lifecycle management, stakeholder communication, and consulting methodologies
  • Equip students with practical consulting skills through real-world case studies, structured project phases, and hands-on exercises aligned with industry standards
  • Design and develop the official course examination, including creation of exam questions that reflect both theoretical understanding and applied knowledge
  • Administer the exam process, perform individual student assessments, and assign final grades in compliance with academic standards and university policies
  • Foster active learning through continuous engagement, mentoring, and personalized feedback, contributing to academic excellence and professional readiness

Consulting Consultant types fields of consulting consultant roles ethical and legal aspects business auditing IT consulting IT architecture IT strategy project project phases project management approach Agile Scrum Waterfall Kanban proposal contract types service contract work contract process consulting processes optimization concepts MVP Objective and Key Results (OKR) software product development phases Five Forces SWOT BCG Matrix
University of Applied Sciences Karlsruhe
2 Monate
2025-04 - 2025-05

Technical Due Diligence for Strategic Investment Decision

Solution Architect Technical Due Diligence Architecture Assessment Risk Evaluation ...
Solution Architect

  • Planned and executed a comprehensive Technical Due Diligence (Tech DD) on behalf of a potential investor evaluating a mid-sized technology company.
  • Prepared structured DD questionnaires covering architecture, scalability, technical debt, product roadmap.
  • Conducted deep-dive interviews with the target?s CTO, engineering leads, and product management to assess architectural maturity, documentation, and key risks.
  • Evaluated the current system architecture, including technology stack, deployment model, code quality, Ops maturity, team structure.
  • Assessed the target's alignment with modern architectural principles (modularity, API-first, cloud-readiness, automation, observability).
  • Identified architectural red flags, risks, and dependencies, and delivered a final Tech DD report including strategic recommendations, risk rating, and post-investment actions.

Technical Due Diligence Architecture Assessment Risk Evaluation Interviews & Stakeholder Analysis System Landscape Evaluation Reporting & Recommendations Cloud Architecture Principles DevOps Maturity API Integration Technical Debt Analysis PowerPoint Confluence Jira GitHub
Confidential (Private Equity / Technology)
1 Jahr 2 Monate
2024-03 - 2025-04

System Harmonization for Aftersales Pricing across Global Markets

Enterprise architect/Solution Architect Enterprise Architecture System Harmonization EA Compliance ...
Enterprise architect/Solution Architect

  • Led the architectural design and implementation of a harmonized Aftersales Pricing system, covering Price Creation, Distribution, and Execution across more than 20 international markets.
  • Defined the target architecture in alignment with enterprise architecture guidelines and strategic IT principles (e.g. make-or-buy).
  • Supported the evaluation and selection of vendors and external service providers through structured RFP processes, including architectural assessment and integration fit.
  • Applied make-or-buy decisions to focus internal development on strategic differentiators while sourcing standard components externally.
  • Ensured architecture compliance with EA standards (blueprints, documentation, integration patterns) and coordinated stakeholder alignment across central IT, business units, and local markets.
  • Managed the integration and rollout planning of market-specific configurations, interfaces, and transition strategies.

Enterprise Architecture System Harmonization EA Compliance Make-or-Buy Strategy Vendor Selection RFP Process Pricing Architecture Integration Design Multi-Market Rollout OpenShit
Automotive (Stuttgart, Germany & International)
1 Jahr
2024-04 - 2025-03

Strategic IAM Transformation for Corporate Separation

Solution architect/Enterprise architect Stakeholder management EAM practices risk management ...
Solution architect/Enterprise architect
  • Provided architectural guidance and coordination for the implementation of the IAM transformation across more than 300 business applications for a corporate carve-out.
  • Ensured alignment of application-side integration with the enterprise-wide IAM target architecture (Azure AD, SAP IAM, Mainframe RACF), supporting consistent execution of migration strategies.
  • Facilitated architecture-compliant implementation by translating enterprise guidelines into actionable blueprints and integration approaches for application teams.
  • Led structured communication formats, supported stakeholder enablement, and ensured transparency on timelines, milestones, and technical risks.
  • Coordinated risk identification and mitigation across application clusters, with a focus on IAM readiness, integration patterns, and operational continuity.
  • Collaborated with internal teams and external service providers to support a scalable and secure rollout, providing architectural input into decision-making
Stakeholder management EAM practices risk management Organizational change management Communication and reporting Confluence Sharepoint Jira PowerPoint ServiceNow Azure Active Directory On Premise Active Directory SAP IAM Mainframe RACF risk management Communication and reporting RACF GitLab Zachmann TOGAF
Automotive (Stuttgart, Germany)
1 Jahr 5 Monate
2023-02 - 2024-06

Establishing an Enterprise Architecture

Enterprise Architect Enterprise Architecture TOGAF® 10 Architecture Governance ...
Enterprise Architect

  • Led the analysis, design, and implementation of a dedicated Enterprise Architecture (EA)
  • Defined EA roles, responsibilities, and organizational structures aligned with TOGAF® 10 principles. Developed capability-based planning processes, architectural governance models, and operating procedures.
  • Established and institutionalized quality gates including Architecture Boards, Expert Panels, and Steering Committees to guide project and platform decisions.
  • Created standardized guidelines, reference architectures, and blueprints to support architectural consistency.
  • Introduced arc42 as the standard documentation framework for all project and system architectures.
  • Expanded EA practices through LeanIX, including the rollout of architecture surveys, capability assessments, and the development of target architectures.
  • Built a cross-functional team of 8 architects, including Enterprise, Solution, and Technical Architects, ensuring long-term architecture maturity and scalability.

Enterprise Architecture TOGAF® 10 Architecture Governance arc42 Reference Architectures Quality Gates LeanIX Target Architecture EA/SA/TA Collaboration Capability Planning
Automotive (Stuttgart, Germany)
11 Monate
2023-06 - 2024-04

Shopfloor Management System replacement

Solution architect Cloud computing AWS Microservice architecture ...
Solution architect
  • Led the evaluation and selection of a technology provider, facilitating the decision between on-premises and cloud deployment options.
  • Capitalized on synergies between two projects by selecting a common technology provider, streamlining the integration process.
  • Introduced a disciplined architectural approach, ensuring that solution methodologies adhered to IT guidelines and best practices.
  • Delivered a formal presentation to the Architecture Board, conveying critical decisions and deployment strategies.
  • Actively engaged in stakeholder management, fostering collaboration and effective customer interactions to align solution architecture with business objectives.
  • Validated the functionalities outlined in SLA1 and SLA3 to ensure the solution?s compatibility with the new system and its compliance with contractual requirements.
  • Assessed and confirmed organizational constraints that impacted the technical solution scope, ensuring alignment with overall business and operational goals.
Cloud computing AWS Microservice architecture Kubernetes ARC42 Dürr DXQcontroll 11 Kafka SAP XML REST Azure Qlik Production line Machine Interfaces Microservice architecture Dürr DXQcontroll11 OpenShift Ansible
Automotive
Stuttgart
1 Jahr 1 Monat
2023-04 - 2024-04

B2B E-Commerce Solution Architecture

Solution architect Cloud computing AWS Microservice architecture ...
Solution architect
  • Designed and developed architectural concepts for the integration of a public cloud e-commerce platform into the existing IT landscape, ensuring seamless connectivity and scalability.
  • Defined the solution architecture for integrating the public cloud platform with intranet applications, enhancing system interoperability and data flow.
  • Introduced a structured architecture practice, overseeing solution methodologies to ensure alignment with IT guidelines and best practices across the project.
  • Collaborated closely with service providers and internal architects to define and discuss architectural solution designs, fostering crossfunctional cooperation.
  • Provided expert technical and architectural support for requirements engineering, ensuring that the e-commerce platform selection met both business needs and technical criteria.
  • Supported the "Make-or-Buy" decision-making process for the ecommerce platform and its surrounding systems, evaluating the strategic implications and cost-benefit analysis.
  • Led provider workshops to assess and evaluate platform solutions, delivering insightful presentations to inform decision-making and align with business objectives.
Cloud computing AWS Microservice architecture Kubernetes Web Development DevOps DataDog Spryker e-commerce Middleware requirements engineering Google Analytics Intranet Applications ARC42 stakeholder management
Automotive
Stuttgart
2 Jahre 6 Monate
2021-06 - 2023-11

Large Scale E-Commerce Solution Architecture

Solution architect Cloud computing AWS Microservice architecture ...
Solution architect

  • Developed architectural concepts for multiple clients utilizing a shared SaaS environment, including transformation and migration processes.
  • Led solution architecture for customer go-lives across multiple shop countries, serving over six clients from various sectors (Retail, Fashion & Lifestyle, Health & Optics, Multichannel & Omnichannel Retail).
  • Collaborated with internal group companies and external architects to ensure seamless integration and alignment.
  • Introduced and structured an architecture practice, managing a diverse team of architects across various specialties to align on a unified approach.
  • Designed and developed various integration scenarios to meet individual customer requirements, ensuring flexible and scalable solutions.
  • Provided technical advisory and managed development teams for core platform enhancements, targeting new e-commerce use cases and product functionalities.
  • Integrated third-party software into frontend and backend systems, including analytics, product management, data feed providers, and omnichannel engagement platforms.

Cloud computing AWS Microservice architecture Kubernetes DevOps Datadog SCAYLE Middleware req. engineering Google Analytics Python PHP
E-Commerce (Hamburg, Germany)
2 Jahre 6 Monate
2019-01 - 2021-06

Multiple International SAP Rollouts

IT architect & software developer Apache Kafka Amazon AWS Java ...
IT architect & software developer
  • Spearheaded solution and software architecture for large-scale international projects, integrating SAP with various other systems to streamline global operations.
  • Implemented highly scalable middleware components using Java and Spring to manage seamless system integrations based on Apache Kafka.
  • Designed and developed SAP interfaces to support event-driven systems, ensuring smooth message subscription and publication for real-time data exchange.
  • Led requirements engineering efforts, leveraging best practices and tools like prototyping to accurately capture and address customer needs.
  • Took a leading role in implementing ABAP backend processes, including the setup of PFCG roles, to ensure efficient system access and secure user management.
Apache Kafka Amazon AWS Java Spring Splunk REST SAP BW SAP ERP SAP S/4HANA OData event-drivenarchitecture GDPR ABAP
Luxury car manufacturer
Stuttgart
2 Jahre 6 Monate
2019-01 - 2021-06

Multiple International SAP Rollouts

Software architect & software developer requirements engineering SAP solution architecture SAP CRM processes (marketing ...
Software architect & software developer

  • Provided solution architecture and acted as a trusted advisor for international SAP CRM rollouts, ensuring alignment with business needs and global standards.
  • Led the implementation of the rollout concept, overseeing processes and release management across multiple regions and teams.
  • Defined critical topics such as migration and support, ensuring alignment with go-live schedules to minimize disruptions and ensure smooth transitions.
  • Customization of system components within the SAP and Java/Spring environments, tailoring solutions to meet local business requirements while maintaining consistency across international rollouts.
  • Worked closely with cross-functional teams and regional stakeholders to ensure successful integration and deployment of the SAP CRM solution in each location.

requirements engineering SAP solution architecture SAP CRM processes (marketing sales service) data migration reports ABAP
Premium sports car manufacturer (International)
7 Monate
2020-02 - 2020-08

Microsoft Azure Chatbot

Solution architect & lead developer Azure solution architecture Azure technical cloud architecture Stakeholder management ...
Solution architect & lead developer
  • Led the solution architecture for a workplace chatbot assistant, driving the design and implementation of an intelligent, scalable solution.
  • Initially evaluated and implemented the project on AWS, followed by a seamless transformation to Microsoft Azure based on customer requirements.
  • Responsible for the integration of the Azure chatbot into the existing system environment and network infrastructure, ensuring compatibility with the organization?s IT landscape.
  • Defined and selected the necessary Microsoft Azure components to ensure a robust and efficient chatbot solution.
  • Configured network and security components, including VPN gateways, site-to-site VPNs, network security groups, and load balancers, ensuring secure communication and access.
  • Led the integration of Azure Identity Management, validating user credentials and ensuring secure authentication for the chatbot.
  • Utilized Azure compute units (Virtual Machines, Azure Functions, Bot Service) to enable efficient processing and scalability of the solution.
  • Integrated Azure Cognitive Services, leveraging Language Understanding (LUIS) to enhance the chatbot?s language processing capabilities.
Azure solution architecture Azure technical cloud architecture Stakeholder management Azure compute Windows PowerShell Azure CLI Tufin Firewall NLP GIT SVN
Car manufacturer
Munich
1 Jahr 3 Monate
2019-01 - 2020-03

Amazon Alexa & SAP C/4HANA Integration

IT architect & full-stack developer Digital transformation requirements engineering business development ...
IT architect & full-stack developer
  • Served as the responsible architect for integrating Amazon Alexa with SAP C/4HANA, designing a seamless connection between the voice assistant and the SAP platform.
  • Worked closely with the business department to define and implement a sales assistant use case, enhancing customer interaction and sales processes.
  • Led the creation of user stories, consulting with stakeholders to ensure clear, actionable requirements for the project.
  • Directed the technical implementation of a proof of concept (PoC) leveraging Amazon AWS, SAP Cloud Platform, and SAP Sales Cloud to integrate the Alexa assistant with SAP C/4HANA.
  • Developed Node.js middleware components to facilitate communication between Amazon Alexa and SAP systems, ensuring smooth and efficient data transfer.
  • Analyzed offline solutions for natural language processing (NLP) using tools such as snips.ai to handle voice commands in areas with limited connectivity.
  • Ensured robust security measures by verifying different aspects with AWS Cognito, AWS IAM, and AWS Single Sign-On to safeguard user data and authentication processes.
Digital transformation requirements engineering business development Amazon AWS Amazon Lambda AWS Cognito AWS IAM AWS Single Sign-On SAP Cloud Platform SAP API Management Node.js SAP C/4HANA SAP Sales Cloud REST web services OData NLP GIT
Manufacturing
Stuttgart

Aus- und Weiterbildung

Aus- und Weiterbildung

1 Monat
2025-05 - 2025-05

iSAQB Advanced Enterprise Architecture Management

iSAQB Advanced, iSAQB
iSAQB Advanced
iSAQB

2 Monate
2025-04 - 2025-05

iSAQB Advanced - SOFT Skill Trainer

iSAQB Akkreditierter Trainer, iSAQB
iSAQB Akkreditierter Trainer
iSAQB

1 Monat
2024-04 - 2024-04

TOGAF Enterprise Architecture Foundation

The Open Group Architecture Framework
The Open Group Architecture Framework

1 Monat
2024-04 - 2024-04

TOGAF Enterprise Architecture Practicioner

The Open Group Architecture Framework
The Open Group Architecture Framework

1 Monat
2024-02 - 2024-02

iSAQB Accredited Trainer

iSAQB
iSAQB

1 Monat
2023-10 - 2023-10

iSAQB CPSA Advanced Soft Skill

iSAQB
iSAQB

1 Monat
2023-05 - 2023-05

iSAQB CPSA Foundation

iSAQB
iSAQB

1 Monat
2023-02 - 2023-02

AWS Certified Solution Architect - Associate

AWS
AWS

1 Monat
2021-07 - 2021-07

Azure Fundamentals

Microsoft Azure
Microsoft Azure

Position

Position


Kompetenzen

Kompetenzen

Top-Skills

Lösungsarchitektur Softwarearchitektur Beratung Enterprise Architect Qualitätsmanagement (Einführung...) iSAQB Trainer Cloud Architect

Produkte / Standards / Erfahrungen / Methoden

Profile:

  • The Freelancer is a Principal IT Architect with a strong focus on Solution and Enterprise Architecture. He combines deep technical expertise with strategic thinking to design IT architectures that are scalable, resilient, and aligned with business goals. 
  • He began his consulting career in 2019 at MHP ? A Porsche Company, specializing in software development, IT architecture, and cloud technologies. With a strong foundation in backend development and distributed systems, he contributed to various transformation and integration projects across automotive and enterprise clients. He holds a Bachelor?s degree in Computer Science (B. Sc.) from the University of Applied Sciences Karlsruhe, where he nowadays also lectures on IT consulting
  • In 2021, he joined MMK DIGITAL as a Solution Architect, where he was responsible for leading the design and implementation of complex IT landscapes. His work focused on enterprise-level architecture design, cloud-native platforms, and the alignment of IT strategy with business transformation initiatives. 
  • Since 2023, he has been operating as an independent consultant, delivering architecture consulting and certified iSAQB trainings.. he has successfully contributed to a wide range of projects in consulting, e-commerce, andautomotive sectors. His strength lies in bridging the gap between business and IT, ensuring architectural decisions are both technically sound and strategically relevant.

Technologies:

  • Microsoft Azure
  • Amazon AWS
  • SAP Cloud Platform
  • SAP HANA
  • SAP CRM
  • Docker
  • Kubernetes
  • Jenkins
  • DataDog
  • Emarsys
  • Actindo
  • SCAYLE
  • Spryker
  • AWS Lambda
  • Azure Functions
  • MySQL
  • PostgreSQL
  • MongoDB
  • Redis
  • Elasticsearch
  • Prometheus
  • Grafana
  • Nginx
  • Apache HTTP Server
  • AWS S3
  • Microsoft Power BI
  • Tableau


Interfaces and system integration:

  • Distributed systems
  • Service orientation & event-driven architectures
  • API Design
  • State-of-the-art integration patterns
  • Message queues
  • RESTful APIs
  • SOAP APIs
  • GraphQL


Software development:

  • Java
  • ABAP
  • Spring
  • C/C++
  • Golang
  • JavaScript
  • Node.js
  • NoSQL 
  • SQL
  • Python
  • PHP
  • React
  • Angular
  • Git
  • GitHub
  • Bitbucket
  • Terraform
  • Ansible
  • Helm
  • Selenium
  • JUnit
  • Maven


Skills:

  • Accredited iSAQB Trainer
  • Certified Enterprise Architecture (TOGAF 10)
  • Certified Solution Architecture (AWS, Azure, and iSAQB)
  • Solution Architecture and Best Practices Software Engineering
  • Agile Product Development and Project Management


Architecture & Integration Expertise:

  • Solution & Enterprise Architecture
  • Arc. Governance
  • Cloud native & Integration Architecture
  • Microservices
  • Event-driven Design
  • DDD
  • API Management
  • Reference Arc
  • ADRs
  • CI/CD


Cloud & Infrastructure Platforms:

  • Azure (Functions, API Management)
  • AWS (Lambda, S3, IAM)
  • SAP Cloud Platform
  • Kubernetes
  • Docker
  • Jenkins
  • Terraform
  • Ansible
  • Helm
  • SCAYLE
  • Spryker
  • SAP HANA
  • OpenShift


System Integration & Interfaces:

  • REST
  • SOAP
  • GraphQL
  • Messaging (Kafka, RabbitMQ)
  • Integration Patterns
  • ESB
  • Webhooks
  • Nginx


Automation & Monitoring:

  • Java (Spring)
  • JavaScript (Node.js, React)
  • Python
  • SQL/NoSQL
  • Git
  • Terraform
  • JUnit
  • Prometheus
  • Grafana
  • Power BI


PROJECTS (ABSTRACT):

06/2025 - today

Role: Solution Architect

Customer: Industry / Medical


Tasks:

Introduction of central appointment scheduling tool

  • Solution architecture and evaluation


06/2025 - today

Role: Solution Architect

Customer: Industry / Training Academy


Tasks:

CMS Integration & E-Commerce Platform Replacement 

  • Solution architecture and integrations


10/2023 - today

Role: Trainer / IT Architect

Customer: Education & Training


Tasks:

iSAQB Certified Professional for Software Architecture Trainer 

  • Software & enterprise architecture education


02/2023 - 06/2024

Role: Enterprise architect & Solution Architecture

Customer: Automotive


Tasks:

System Harmonization for Aftersales Pricing across global markets 

  • Led the architectural design and implementation of a harmonized Aftersales Pricing system

Branchen

Branchen

  • E-Commerce
  • Augenoptik und Augenpflege
  • Schuhhandel
  • Mode und Accessoires
  • Gesundheitswesen und Sport
  • Automobilindustrie
  • Bildungs- und Trainingsbereich
  • Beratungs- und IT-Consulting
  • Projektmanagement und Führung

Einsatzorte

Einsatzorte

Stuttgart (+500km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

6 Monate
2025-06 - heute

Introduction of a central appointment scheduling tool

Solution Architect Solution Architecture Requirements Engineering Tool Evaluation ...
Solution Architect
Introduction of a central appointment scheduling tool for resource and participant management 

  • Assessed existing scheduling processes and tools across departments, identified integration points, data flows, and technical constraints within the existing IT landscape.
  • Defined functional and quality requirements in collaboration with various stakeholders. Conducted a structured market evaluation based on defined criteria.
  • Developed the conceptual and logical target architecture for the future scheduling solution, including integration scenarios, authentication concept, and data design.
  • Evaluated and designed API-based integration options (REST/SOAP) with existing systems such as identity management, CRM, and process tools.
  • Moderated workshops with business units and IT stakeholders to align requirements, demonstrate tool capabilities, and support decision-making.
  • Created architecture documentation and evaluation results in Confluence and LeanIX

Solution Architecture Requirements Engineering Tool Evaluation System Analysis Integration Architecture REST API JSON IAM Vendor Management Architecture Governance Workshop Facilitation Documentation Confluence LeanIX Jira draw.io SharePoint Terminland eTermin TIMIFY Doctolib ISI MED Porta
Industry / Medical
6 Monate
2025-06 - heute

CMS Integration & E-Commerce Platform Replacement

Solution Architect Solution Architecture Enterprise Architecture CMS Evaluation ...
Solution Architect
  • Defined the overall IT architecture strategy for CMS and E-Commerce modernization, including decoupled frontend, API-first integrations and multisite capability.
  • Collected and aligned cross-department requirements (Marketing, IT, International Units) and translated them into architectural and technical evaluations.
  • Led the vendor evaluation and selection process for Magnolia CMS, DirectusCMS and Pimcore, including scoring models, technical assessments, PoC preparation.
  • Designed the logical and technical target architecture for content, data flows, DAM, IAM integration, CDN/caching.
  • Assessed integration complexity with the future E-Commerce platform (product catalog, workflows, search, asset management, multilingual content delivery).
  • Coordinated stakeholders, facilitated decision-making workshops and ensured architectural governance.
  • Created management-ready decision documents, architectural overviews and evaluation summaries in Confluence and LeanIX.
Solution Architecture Enterprise Architecture CMS Evaluation Vendor Management Requirements Engineering Headless CMS E-Commerce Architecture Magnolia CMS DirectusCMS Pimcore API Design Integration Architecture IAM Confluence LeanIX Jira
Industry / Training Academy
2 Jahre 2 Monate
2023-10 - heute

iSAQB ? Certified professional for Software Architecture

Trainer Software architecture principles architectural documentation architectural guidance ...
Trainer
  • Delivered interactive iSAQB CPSA-F training sessions for both in-house and external participants
  • Provided a structured curriculum aligned with iSAQB standards to ensure effective knowledge transfer
  • Applied real-world examples and case studies to bridge the gap between theory and practical application
  • Facilitated group activities and hands-on exercises to reinforce core software architecture principles
  • Adapted training content and pace to the participants' specific needs and organizational contexts
  • Supported participants in preparing for the CPSA-F certification exam through targeted learning guidance
  • Fostered engagement with individualized feedback and coaching throughout the training
  • Enriched training content with best practices and insights gained from real-world consulting projects
Software architecture principles architectural documentation architectural guidance design methodologies architectural patterns Conceptboard OneDrive Office365 Microsoft Teams OBS Studio stakeholder engagement public speaking personalized coaching group facilitation remote and hybrid facilitation using digital collaboration tools EAM SOFT
Education & Training
2 Jahre 10 Monate
2023-02 - heute

Deliver a comprehensive lecture series

Lecturer Consulting Consultant types fields of consulting ...
Lecturer
  • Deliver a comprehensive lecture series on IT Consulting as a specialized elective for sixth-semester students
  • Cover a broad spectrum of essential topics including general and ITspecific consulting, enterprise and software architecture, project lifecycle management, stakeholder communication, and consulting methodologies
  • Equip students with practical consulting skills through real-world case studies, structured project phases, and hands-on exercises aligned with industry standards
  • Design and develop the official course examination, including creation of exam questions that reflect both theoretical understanding and applied knowledge
  • Administer the exam process, perform individual student assessments, and assign final grades in compliance with academic standards and university policies
  • Foster active learning through continuous engagement, mentoring, and personalized feedback, contributing to academic excellence and professional readiness

Consulting Consultant types fields of consulting consultant roles ethical and legal aspects business auditing IT consulting IT architecture IT strategy project project phases project management approach Agile Scrum Waterfall Kanban proposal contract types service contract work contract process consulting processes optimization concepts MVP Objective and Key Results (OKR) software product development phases Five Forces SWOT BCG Matrix
University of Applied Sciences Karlsruhe
2 Monate
2025-04 - 2025-05

Technical Due Diligence for Strategic Investment Decision

Solution Architect Technical Due Diligence Architecture Assessment Risk Evaluation ...
Solution Architect

  • Planned and executed a comprehensive Technical Due Diligence (Tech DD) on behalf of a potential investor evaluating a mid-sized technology company.
  • Prepared structured DD questionnaires covering architecture, scalability, technical debt, product roadmap.
  • Conducted deep-dive interviews with the target?s CTO, engineering leads, and product management to assess architectural maturity, documentation, and key risks.
  • Evaluated the current system architecture, including technology stack, deployment model, code quality, Ops maturity, team structure.
  • Assessed the target's alignment with modern architectural principles (modularity, API-first, cloud-readiness, automation, observability).
  • Identified architectural red flags, risks, and dependencies, and delivered a final Tech DD report including strategic recommendations, risk rating, and post-investment actions.

Technical Due Diligence Architecture Assessment Risk Evaluation Interviews & Stakeholder Analysis System Landscape Evaluation Reporting & Recommendations Cloud Architecture Principles DevOps Maturity API Integration Technical Debt Analysis PowerPoint Confluence Jira GitHub
Confidential (Private Equity / Technology)
1 Jahr 2 Monate
2024-03 - 2025-04

System Harmonization for Aftersales Pricing across Global Markets

Enterprise architect/Solution Architect Enterprise Architecture System Harmonization EA Compliance ...
Enterprise architect/Solution Architect

  • Led the architectural design and implementation of a harmonized Aftersales Pricing system, covering Price Creation, Distribution, and Execution across more than 20 international markets.
  • Defined the target architecture in alignment with enterprise architecture guidelines and strategic IT principles (e.g. make-or-buy).
  • Supported the evaluation and selection of vendors and external service providers through structured RFP processes, including architectural assessment and integration fit.
  • Applied make-or-buy decisions to focus internal development on strategic differentiators while sourcing standard components externally.
  • Ensured architecture compliance with EA standards (blueprints, documentation, integration patterns) and coordinated stakeholder alignment across central IT, business units, and local markets.
  • Managed the integration and rollout planning of market-specific configurations, interfaces, and transition strategies.

Enterprise Architecture System Harmonization EA Compliance Make-or-Buy Strategy Vendor Selection RFP Process Pricing Architecture Integration Design Multi-Market Rollout OpenShit
Automotive (Stuttgart, Germany & International)
1 Jahr
2024-04 - 2025-03

Strategic IAM Transformation for Corporate Separation

Solution architect/Enterprise architect Stakeholder management EAM practices risk management ...
Solution architect/Enterprise architect
  • Provided architectural guidance and coordination for the implementation of the IAM transformation across more than 300 business applications for a corporate carve-out.
  • Ensured alignment of application-side integration with the enterprise-wide IAM target architecture (Azure AD, SAP IAM, Mainframe RACF), supporting consistent execution of migration strategies.
  • Facilitated architecture-compliant implementation by translating enterprise guidelines into actionable blueprints and integration approaches for application teams.
  • Led structured communication formats, supported stakeholder enablement, and ensured transparency on timelines, milestones, and technical risks.
  • Coordinated risk identification and mitigation across application clusters, with a focus on IAM readiness, integration patterns, and operational continuity.
  • Collaborated with internal teams and external service providers to support a scalable and secure rollout, providing architectural input into decision-making
Stakeholder management EAM practices risk management Organizational change management Communication and reporting Confluence Sharepoint Jira PowerPoint ServiceNow Azure Active Directory On Premise Active Directory SAP IAM Mainframe RACF risk management Communication and reporting RACF GitLab Zachmann TOGAF
Automotive (Stuttgart, Germany)
1 Jahr 5 Monate
2023-02 - 2024-06

Establishing an Enterprise Architecture

Enterprise Architect Enterprise Architecture TOGAF® 10 Architecture Governance ...
Enterprise Architect

  • Led the analysis, design, and implementation of a dedicated Enterprise Architecture (EA)
  • Defined EA roles, responsibilities, and organizational structures aligned with TOGAF® 10 principles. Developed capability-based planning processes, architectural governance models, and operating procedures.
  • Established and institutionalized quality gates including Architecture Boards, Expert Panels, and Steering Committees to guide project and platform decisions.
  • Created standardized guidelines, reference architectures, and blueprints to support architectural consistency.
  • Introduced arc42 as the standard documentation framework for all project and system architectures.
  • Expanded EA practices through LeanIX, including the rollout of architecture surveys, capability assessments, and the development of target architectures.
  • Built a cross-functional team of 8 architects, including Enterprise, Solution, and Technical Architects, ensuring long-term architecture maturity and scalability.

Enterprise Architecture TOGAF® 10 Architecture Governance arc42 Reference Architectures Quality Gates LeanIX Target Architecture EA/SA/TA Collaboration Capability Planning
Automotive (Stuttgart, Germany)
11 Monate
2023-06 - 2024-04

Shopfloor Management System replacement

Solution architect Cloud computing AWS Microservice architecture ...
Solution architect
  • Led the evaluation and selection of a technology provider, facilitating the decision between on-premises and cloud deployment options.
  • Capitalized on synergies between two projects by selecting a common technology provider, streamlining the integration process.
  • Introduced a disciplined architectural approach, ensuring that solution methodologies adhered to IT guidelines and best practices.
  • Delivered a formal presentation to the Architecture Board, conveying critical decisions and deployment strategies.
  • Actively engaged in stakeholder management, fostering collaboration and effective customer interactions to align solution architecture with business objectives.
  • Validated the functionalities outlined in SLA1 and SLA3 to ensure the solution?s compatibility with the new system and its compliance with contractual requirements.
  • Assessed and confirmed organizational constraints that impacted the technical solution scope, ensuring alignment with overall business and operational goals.
Cloud computing AWS Microservice architecture Kubernetes ARC42 Dürr DXQcontroll 11 Kafka SAP XML REST Azure Qlik Production line Machine Interfaces Microservice architecture Dürr DXQcontroll11 OpenShift Ansible
Automotive
Stuttgart
1 Jahr 1 Monat
2023-04 - 2024-04

B2B E-Commerce Solution Architecture

Solution architect Cloud computing AWS Microservice architecture ...
Solution architect
  • Designed and developed architectural concepts for the integration of a public cloud e-commerce platform into the existing IT landscape, ensuring seamless connectivity and scalability.
  • Defined the solution architecture for integrating the public cloud platform with intranet applications, enhancing system interoperability and data flow.
  • Introduced a structured architecture practice, overseeing solution methodologies to ensure alignment with IT guidelines and best practices across the project.
  • Collaborated closely with service providers and internal architects to define and discuss architectural solution designs, fostering crossfunctional cooperation.
  • Provided expert technical and architectural support for requirements engineering, ensuring that the e-commerce platform selection met both business needs and technical criteria.
  • Supported the "Make-or-Buy" decision-making process for the ecommerce platform and its surrounding systems, evaluating the strategic implications and cost-benefit analysis.
  • Led provider workshops to assess and evaluate platform solutions, delivering insightful presentations to inform decision-making and align with business objectives.
Cloud computing AWS Microservice architecture Kubernetes Web Development DevOps DataDog Spryker e-commerce Middleware requirements engineering Google Analytics Intranet Applications ARC42 stakeholder management
Automotive
Stuttgart
2 Jahre 6 Monate
2021-06 - 2023-11

Large Scale E-Commerce Solution Architecture

Solution architect Cloud computing AWS Microservice architecture ...
Solution architect

  • Developed architectural concepts for multiple clients utilizing a shared SaaS environment, including transformation and migration processes.
  • Led solution architecture for customer go-lives across multiple shop countries, serving over six clients from various sectors (Retail, Fashion & Lifestyle, Health & Optics, Multichannel & Omnichannel Retail).
  • Collaborated with internal group companies and external architects to ensure seamless integration and alignment.
  • Introduced and structured an architecture practice, managing a diverse team of architects across various specialties to align on a unified approach.
  • Designed and developed various integration scenarios to meet individual customer requirements, ensuring flexible and scalable solutions.
  • Provided technical advisory and managed development teams for core platform enhancements, targeting new e-commerce use cases and product functionalities.
  • Integrated third-party software into frontend and backend systems, including analytics, product management, data feed providers, and omnichannel engagement platforms.

Cloud computing AWS Microservice architecture Kubernetes DevOps Datadog SCAYLE Middleware req. engineering Google Analytics Python PHP
E-Commerce (Hamburg, Germany)
2 Jahre 6 Monate
2019-01 - 2021-06

Multiple International SAP Rollouts

IT architect & software developer Apache Kafka Amazon AWS Java ...
IT architect & software developer
  • Spearheaded solution and software architecture for large-scale international projects, integrating SAP with various other systems to streamline global operations.
  • Implemented highly scalable middleware components using Java and Spring to manage seamless system integrations based on Apache Kafka.
  • Designed and developed SAP interfaces to support event-driven systems, ensuring smooth message subscription and publication for real-time data exchange.
  • Led requirements engineering efforts, leveraging best practices and tools like prototyping to accurately capture and address customer needs.
  • Took a leading role in implementing ABAP backend processes, including the setup of PFCG roles, to ensure efficient system access and secure user management.
Apache Kafka Amazon AWS Java Spring Splunk REST SAP BW SAP ERP SAP S/4HANA OData event-drivenarchitecture GDPR ABAP
Luxury car manufacturer
Stuttgart
2 Jahre 6 Monate
2019-01 - 2021-06

Multiple International SAP Rollouts

Software architect & software developer requirements engineering SAP solution architecture SAP CRM processes (marketing ...
Software architect & software developer

  • Provided solution architecture and acted as a trusted advisor for international SAP CRM rollouts, ensuring alignment with business needs and global standards.
  • Led the implementation of the rollout concept, overseeing processes and release management across multiple regions and teams.
  • Defined critical topics such as migration and support, ensuring alignment with go-live schedules to minimize disruptions and ensure smooth transitions.
  • Customization of system components within the SAP and Java/Spring environments, tailoring solutions to meet local business requirements while maintaining consistency across international rollouts.
  • Worked closely with cross-functional teams and regional stakeholders to ensure successful integration and deployment of the SAP CRM solution in each location.

requirements engineering SAP solution architecture SAP CRM processes (marketing sales service) data migration reports ABAP
Premium sports car manufacturer (International)
7 Monate
2020-02 - 2020-08

Microsoft Azure Chatbot

Solution architect & lead developer Azure solution architecture Azure technical cloud architecture Stakeholder management ...
Solution architect & lead developer
  • Led the solution architecture for a workplace chatbot assistant, driving the design and implementation of an intelligent, scalable solution.
  • Initially evaluated and implemented the project on AWS, followed by a seamless transformation to Microsoft Azure based on customer requirements.
  • Responsible for the integration of the Azure chatbot into the existing system environment and network infrastructure, ensuring compatibility with the organization?s IT landscape.
  • Defined and selected the necessary Microsoft Azure components to ensure a robust and efficient chatbot solution.
  • Configured network and security components, including VPN gateways, site-to-site VPNs, network security groups, and load balancers, ensuring secure communication and access.
  • Led the integration of Azure Identity Management, validating user credentials and ensuring secure authentication for the chatbot.
  • Utilized Azure compute units (Virtual Machines, Azure Functions, Bot Service) to enable efficient processing and scalability of the solution.
  • Integrated Azure Cognitive Services, leveraging Language Understanding (LUIS) to enhance the chatbot?s language processing capabilities.
Azure solution architecture Azure technical cloud architecture Stakeholder management Azure compute Windows PowerShell Azure CLI Tufin Firewall NLP GIT SVN
Car manufacturer
Munich
1 Jahr 3 Monate
2019-01 - 2020-03

Amazon Alexa & SAP C/4HANA Integration

IT architect & full-stack developer Digital transformation requirements engineering business development ...
IT architect & full-stack developer
  • Served as the responsible architect for integrating Amazon Alexa with SAP C/4HANA, designing a seamless connection between the voice assistant and the SAP platform.
  • Worked closely with the business department to define and implement a sales assistant use case, enhancing customer interaction and sales processes.
  • Led the creation of user stories, consulting with stakeholders to ensure clear, actionable requirements for the project.
  • Directed the technical implementation of a proof of concept (PoC) leveraging Amazon AWS, SAP Cloud Platform, and SAP Sales Cloud to integrate the Alexa assistant with SAP C/4HANA.
  • Developed Node.js middleware components to facilitate communication between Amazon Alexa and SAP systems, ensuring smooth and efficient data transfer.
  • Analyzed offline solutions for natural language processing (NLP) using tools such as snips.ai to handle voice commands in areas with limited connectivity.
  • Ensured robust security measures by verifying different aspects with AWS Cognito, AWS IAM, and AWS Single Sign-On to safeguard user data and authentication processes.
Digital transformation requirements engineering business development Amazon AWS Amazon Lambda AWS Cognito AWS IAM AWS Single Sign-On SAP Cloud Platform SAP API Management Node.js SAP C/4HANA SAP Sales Cloud REST web services OData NLP GIT
Manufacturing
Stuttgart

Aus- und Weiterbildung

Aus- und Weiterbildung

1 Monat
2025-05 - 2025-05

iSAQB Advanced Enterprise Architecture Management

iSAQB Advanced, iSAQB
iSAQB Advanced
iSAQB

2 Monate
2025-04 - 2025-05

iSAQB Advanced - SOFT Skill Trainer

iSAQB Akkreditierter Trainer, iSAQB
iSAQB Akkreditierter Trainer
iSAQB

1 Monat
2024-04 - 2024-04

TOGAF Enterprise Architecture Foundation

The Open Group Architecture Framework
The Open Group Architecture Framework

1 Monat
2024-04 - 2024-04

TOGAF Enterprise Architecture Practicioner

The Open Group Architecture Framework
The Open Group Architecture Framework

1 Monat
2024-02 - 2024-02

iSAQB Accredited Trainer

iSAQB
iSAQB

1 Monat
2023-10 - 2023-10

iSAQB CPSA Advanced Soft Skill

iSAQB
iSAQB

1 Monat
2023-05 - 2023-05

iSAQB CPSA Foundation

iSAQB
iSAQB

1 Monat
2023-02 - 2023-02

AWS Certified Solution Architect - Associate

AWS
AWS

1 Monat
2021-07 - 2021-07

Azure Fundamentals

Microsoft Azure
Microsoft Azure

Position

Position


Kompetenzen

Kompetenzen

Top-Skills

Lösungsarchitektur Softwarearchitektur Beratung Enterprise Architect Qualitätsmanagement (Einführung...) iSAQB Trainer Cloud Architect

Produkte / Standards / Erfahrungen / Methoden

Profile:

  • The Freelancer is a Principal IT Architect with a strong focus on Solution and Enterprise Architecture. He combines deep technical expertise with strategic thinking to design IT architectures that are scalable, resilient, and aligned with business goals. 
  • He began his consulting career in 2019 at MHP ? A Porsche Company, specializing in software development, IT architecture, and cloud technologies. With a strong foundation in backend development and distributed systems, he contributed to various transformation and integration projects across automotive and enterprise clients. He holds a Bachelor?s degree in Computer Science (B. Sc.) from the University of Applied Sciences Karlsruhe, where he nowadays also lectures on IT consulting
  • In 2021, he joined MMK DIGITAL as a Solution Architect, where he was responsible for leading the design and implementation of complex IT landscapes. His work focused on enterprise-level architecture design, cloud-native platforms, and the alignment of IT strategy with business transformation initiatives. 
  • Since 2023, he has been operating as an independent consultant, delivering architecture consulting and certified iSAQB trainings.. he has successfully contributed to a wide range of projects in consulting, e-commerce, andautomotive sectors. His strength lies in bridging the gap between business and IT, ensuring architectural decisions are both technically sound and strategically relevant.

Technologies:

  • Microsoft Azure
  • Amazon AWS
  • SAP Cloud Platform
  • SAP HANA
  • SAP CRM
  • Docker
  • Kubernetes
  • Jenkins
  • DataDog
  • Emarsys
  • Actindo
  • SCAYLE
  • Spryker
  • AWS Lambda
  • Azure Functions
  • MySQL
  • PostgreSQL
  • MongoDB
  • Redis
  • Elasticsearch
  • Prometheus
  • Grafana
  • Nginx
  • Apache HTTP Server
  • AWS S3
  • Microsoft Power BI
  • Tableau


Interfaces and system integration:

  • Distributed systems
  • Service orientation & event-driven architectures
  • API Design
  • State-of-the-art integration patterns
  • Message queues
  • RESTful APIs
  • SOAP APIs
  • GraphQL


Software development:

  • Java
  • ABAP
  • Spring
  • C/C++
  • Golang
  • JavaScript
  • Node.js
  • NoSQL 
  • SQL
  • Python
  • PHP
  • React
  • Angular
  • Git
  • GitHub
  • Bitbucket
  • Terraform
  • Ansible
  • Helm
  • Selenium
  • JUnit
  • Maven


Skills:

  • Accredited iSAQB Trainer
  • Certified Enterprise Architecture (TOGAF 10)
  • Certified Solution Architecture (AWS, Azure, and iSAQB)
  • Solution Architecture and Best Practices Software Engineering
  • Agile Product Development and Project Management


Architecture & Integration Expertise:

  • Solution & Enterprise Architecture
  • Arc. Governance
  • Cloud native & Integration Architecture
  • Microservices
  • Event-driven Design
  • DDD
  • API Management
  • Reference Arc
  • ADRs
  • CI/CD


Cloud & Infrastructure Platforms:

  • Azure (Functions, API Management)
  • AWS (Lambda, S3, IAM)
  • SAP Cloud Platform
  • Kubernetes
  • Docker
  • Jenkins
  • Terraform
  • Ansible
  • Helm
  • SCAYLE
  • Spryker
  • SAP HANA
  • OpenShift


System Integration & Interfaces:

  • REST
  • SOAP
  • GraphQL
  • Messaging (Kafka, RabbitMQ)
  • Integration Patterns
  • ESB
  • Webhooks
  • Nginx


Automation & Monitoring:

  • Java (Spring)
  • JavaScript (Node.js, React)
  • Python
  • SQL/NoSQL
  • Git
  • Terraform
  • JUnit
  • Prometheus
  • Grafana
  • Power BI


PROJECTS (ABSTRACT):

06/2025 - today

Role: Solution Architect

Customer: Industry / Medical


Tasks:

Introduction of central appointment scheduling tool

  • Solution architecture and evaluation


06/2025 - today

Role: Solution Architect

Customer: Industry / Training Academy


Tasks:

CMS Integration & E-Commerce Platform Replacement 

  • Solution architecture and integrations


10/2023 - today

Role: Trainer / IT Architect

Customer: Education & Training


Tasks:

iSAQB Certified Professional for Software Architecture Trainer 

  • Software & enterprise architecture education


02/2023 - 06/2024

Role: Enterprise architect & Solution Architecture

Customer: Automotive


Tasks:

System Harmonization for Aftersales Pricing across global markets 

  • Led the architectural design and implementation of a harmonized Aftersales Pricing system

Branchen

Branchen

  • E-Commerce
  • Augenoptik und Augenpflege
  • Schuhhandel
  • Mode und Accessoires
  • Gesundheitswesen und Sport
  • Automobilindustrie
  • Bildungs- und Trainingsbereich
  • Beratungs- und IT-Consulting
  • Projektmanagement und Führung

Vertrauen Sie auf Randstad

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