Senior Java Engineer & AI Architect
Aktualisiert am 27.09.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 28.09.2026
Verfügbar zu: 100%
davon vor Ort: 20%
Java
Spring Boot
Künstliche Intelligenz
Arabic
Mother tongue
French
fluent
English
fluent
German
Intermediate level

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 9 months
2024-01 - now

Java and AI Systems

Senior Java Engineer, Software Architect and AI Architect Softwarearchitektur Künstliche Intelligenz
Senior Java Engineer, Software Architect and AI Architect
Designed and delivered production Java and AI systems for multiple clients in real estate, healthcare, renewable energy and property management. Built Spring Boot 3.5 / Java 21 backends, distributed microservices, REST APIs and document workflows. Integrated LLM extraction, RAG, voice pipelines and automation using OpenAI, Deepgram, ElevenLabs, LiveKit and Retell AI. Led architecture, vendor integration, CI/CD and operational delivery across AWS, OpenShift, Kubernetes and Docker.
Java Spring Boot
Softwarearchitektur Künstliche Intelligenz
Remote
9 months
2023-09 - 2024-05

Seniorenplatzfinder Project

Freelance Technical Product Owner Scrum Jira Confluence ...
Freelance Technical Product Owner
As the Technical Product Owner for Seniorenplatzfinder, the first digital platform for pairing care seekers with appropriate care homes, I managed the development and maintenance of an innovative online solution. My key responsibilities included:
  • Led an international team of 5 developers, 2 QA specialists, and 1 UX designer, enhancing operational efficiency.
  • Managed the product backlog in Jira, prioritized features for optimal value delivery, and led Scrum sessions including Sprint Planning, Reviews, and Retrospectives.
  • Facilitated requirements gathering through stakeholder workshops and interviews, ensuring accurate and efficient collection of project needs.
  • Worked closely with the UX/UI team to align product designs with user needs and project objectives.
  • Guided the development team on continuous integration and deployment, leveraging my developer expertise to advise on scalable solutions.
  • Led the architectural design and development of scalable and innovative digital solutions for a startup, focusing on aligning technology with customer-centric product visions.
  • Conducted in-depth technical research and analysis to inform architectural decisions, ensuring the adoption of modern technologies and practices that align with industry trends and customer demands.
Scrum Jira Confluence Figma Typescript NodeJs ReactJs DigitalOcean Github Actions Docker
CodeCooperation GmbH, Berlin (Germany)
2 years 9 months
2020-12 - 2023-08

OneShop Project

Technical Product Owner Scrum Jira Confluence ...
Technical Product Owner
Technical product owner for Volkswagen?s OneShop eCommerce platform, the online platform for managing inventory and orders across all Volkswagen brands. The platform delivers cutting-edge solutions for streamlining vehicle inventory and enhancing the order process, providing a seamless experience for dealers and customers alike. In this role, the main responsibilities include:
  • Building a Long-Term vision on the project together with the PM, the Team & the Stakeholders
  • Responsible for the team objectives delivery for each Product Increment within the SAFe train
  • Leading the migration of Volkswagen?s OneShop eCommerce platform to a cloud-based infrastructure, significantly improving operational efficiency and scalability.
  • Establishing and maintaining outcome based product roadmaps for the skeholders and development team
  • Ensuring different stakeholders alignment on the product vision
  • Coordinating activities between designers, development team and business teams
  • Animating Refinement with dev team of Discovery feature & ensure delivery
  • Writing user stories, epics, and acceptance criteria for new features and improvements
  • Providing technical guidance and direction to the development team: This includes advising on technical design decisions, reviewing code, and ensuring adherence to best practices.
  • Defining technical standards resulting in improvement in order processing efficiency, reducing turnaround time and enhancing customer satisfaction.
  • Offering targeted support and expertise to developers in the refinement phase, ensuring the development of efficient, scalable solutions.
Scrum Jira Confluence Java Typescript ReactJs AWS Docker RESTful WebServices Kubernetes
Diconium Digital Solutions GmbH, Berlin (Germany)
1 year 8 months
2019-05 - 2020-12

Online Service Booking platform

Technical Product Owner Scrum Jira Confluence ...
Technical Product Owner
Technical Product Owner for the Online Service Booking platform. OAB serves as Mercedes?s primary platform for facilitating communication between Mercedes owners and their network of suppliers, holding paramount importance in the Mercedes-Benz customer experience. The platform acts as a Supplier Portal, serving as a centralized repository for all relevant information and IT applications crucial to suppliers worldwide. In this role, the main responsibilities include:
  • Defined product roadmaps and created user stories, ensuring alignment with the organization?s strategic goals
  • Acted as a liaison between business stakeholders and development teams, facilitating effective communication and understanding of project objectives
  • Provided comprehensive advice and guidance to both customers and developers throughout the project lifecycle
  • Collaborated with cross-functional teams, including software engineers, designers, and quality assurance, to define and prioritize product features and requirements
Scrum Jira Confluence Java Typescript ReactJs AWS Docker RESTful WebServices Kubernetes
Diconium Digital Solutions GmbH, Berlin (Germany)
3 years 3 months
2016-03 - 2019-05

Portal Project

Lead Developer Java IntelliJ Spring Boot ...
Lead Developer
  • Development and technical leadership of Mercedes Me Portal , enabling users to utilize Mercedes me connect services and buy Mercedes Services
  • In this role, the main responsibilities include:
    • Led the development team in implementing RESTful APIs using Spring Web, facilitating seamless communication between front-end and back-end systems
    • Utilized Spring Security to establish robust authentication and authorization mechanisms, ensuring a secure environment for sensitive customer data
    • Integrated Spring Data JPA to streamline database operations, optimizing queries and ensuring efficient data retrieval and storage
    • Utilized GitHub Actions for automating deployment processes and AWS tools like CDK, ECS, Fargate, and S3 for development needs
    • Played a key role in the platform?s CI/CD pipeline setup, using tools like GitHub Actions, Docker and Kubernetes, ensuring smooth deployments and rollbacks
    • Played a pivotal role in establishing coding standards and best practices within the development team
    • Drove the adoption of containerization techniques using Docker and orchestrated deployments using Kubernetes, enhancing scalability and resource efficiency
    • Introduced monitoring tools and analytics to track platform performance, user behavior, and conversion rates, leveraging insights to drive iterative improvements
Java IntelliJ Spring Boot Spring Data Docker Kafka Jenkins RESTful WebServices GitLab Git PostgreSQL SQL Oracle JProfiler Hibernate OpenJPA SOAP WebServices NGINX Apache JBoss Tomcat Documentum Maven Eclipse
DMC030 GmbH, Berlin (Germany)
1 year
2015-03 - 2016-02

Creation of an OSGi solution

Java software engineer Java Maven OSGi ...
Java software engineer
Created a Data parsing synchronization and server mirroring OSGi solution, ensuring files contents and attributes synchronization between PST data centers using JMS events and XML parsing.
Java Maven OSGi Karaf REST XML SSH Hibernate PostgreSQL Linux Vaadin JMS Wildfly JSON JUnit GIT
PST.AG, Jena (Germany)

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2023-01 - 2023-01

Leading teams & Developing as a Leader

University of Illinois
University of Illinois
1 month
2021-01 - 2021-01

SAFe® Agile Practitioner

Certification,
Certification
1 month
2019-06 - 2019-06

Scrum Product Owner® (CSPO®)

Certification,
Certification
3 years 2 months
2012-08 - 2015-09

Study - Computer Engineering

Master, Ecole Nationale des Sciences de l?Informatique (ENSI)
Master
Ecole Nationale des Sciences de l?Informatique (ENSI)
2 years 1 month
2010-07 - 2012-07

Preparatory School for Engineering degree

Ecole Préparatoire des Etudes d?Ingénieurs (IPEIS)
Ecole Préparatoire des Etudes d?Ingénieurs (IPEIS)

Position

Position

Senior Java Engineer / Software Architect / AI Architect

Kompetenzen

Kompetenzen

Top-Skills

Java Spring Boot Künstliche Intelligenz

Produkte / Standards / Erfahrungen / Methoden

Java
Profile
Senior Java Engineer and Software Architect with 10+ years building distributed backend systems and 3+ years integrating LLM APIs, RAG pipelines, voice AI and automation into production Java architectures. Hands-on Java/Spring Boot specialist with technical leadership and Product Owner experience.

Java & Backend
Java 21, Spring Boot 3.5, Kotlin, Quarkus, REST APIs, microservices, event-driven systems, multi-tenant SaaS, PostgreSQL, Kafka, security and document workflows.

AI Systems
OpenAI, RAG, PGVector, OCR, prompt orchestration, structured extraction, Deepgram, ElevenLabs, LiveKit and Retell AI integrated into production backends.

Cloud & DevOps
AWS, Azure, OpenShift, Kubernetes, Docker, GitHub Actions, Jenkins, CI/CD and observability.

Architecture & Leadership
Software architecture, architecture reviews, technical strategy, code quality, stakeholder communication and leadership of engineering teams. Technical Product Ownership, Scrum and SAFe remain supporting strengths.

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 9 months
2024-01 - now

Java and AI Systems

Senior Java Engineer, Software Architect and AI Architect Softwarearchitektur Künstliche Intelligenz
Senior Java Engineer, Software Architect and AI Architect
Designed and delivered production Java and AI systems for multiple clients in real estate, healthcare, renewable energy and property management. Built Spring Boot 3.5 / Java 21 backends, distributed microservices, REST APIs and document workflows. Integrated LLM extraction, RAG, voice pipelines and automation using OpenAI, Deepgram, ElevenLabs, LiveKit and Retell AI. Led architecture, vendor integration, CI/CD and operational delivery across AWS, OpenShift, Kubernetes and Docker.
Java Spring Boot
Softwarearchitektur Künstliche Intelligenz
Remote
9 months
2023-09 - 2024-05

Seniorenplatzfinder Project

Freelance Technical Product Owner Scrum Jira Confluence ...
Freelance Technical Product Owner
As the Technical Product Owner for Seniorenplatzfinder, the first digital platform for pairing care seekers with appropriate care homes, I managed the development and maintenance of an innovative online solution. My key responsibilities included:
  • Led an international team of 5 developers, 2 QA specialists, and 1 UX designer, enhancing operational efficiency.
  • Managed the product backlog in Jira, prioritized features for optimal value delivery, and led Scrum sessions including Sprint Planning, Reviews, and Retrospectives.
  • Facilitated requirements gathering through stakeholder workshops and interviews, ensuring accurate and efficient collection of project needs.
  • Worked closely with the UX/UI team to align product designs with user needs and project objectives.
  • Guided the development team on continuous integration and deployment, leveraging my developer expertise to advise on scalable solutions.
  • Led the architectural design and development of scalable and innovative digital solutions for a startup, focusing on aligning technology with customer-centric product visions.
  • Conducted in-depth technical research and analysis to inform architectural decisions, ensuring the adoption of modern technologies and practices that align with industry trends and customer demands.
Scrum Jira Confluence Figma Typescript NodeJs ReactJs DigitalOcean Github Actions Docker
CodeCooperation GmbH, Berlin (Germany)
2 years 9 months
2020-12 - 2023-08

OneShop Project

Technical Product Owner Scrum Jira Confluence ...
Technical Product Owner
Technical product owner for Volkswagen?s OneShop eCommerce platform, the online platform for managing inventory and orders across all Volkswagen brands. The platform delivers cutting-edge solutions for streamlining vehicle inventory and enhancing the order process, providing a seamless experience for dealers and customers alike. In this role, the main responsibilities include:
  • Building a Long-Term vision on the project together with the PM, the Team & the Stakeholders
  • Responsible for the team objectives delivery for each Product Increment within the SAFe train
  • Leading the migration of Volkswagen?s OneShop eCommerce platform to a cloud-based infrastructure, significantly improving operational efficiency and scalability.
  • Establishing and maintaining outcome based product roadmaps for the skeholders and development team
  • Ensuring different stakeholders alignment on the product vision
  • Coordinating activities between designers, development team and business teams
  • Animating Refinement with dev team of Discovery feature & ensure delivery
  • Writing user stories, epics, and acceptance criteria for new features and improvements
  • Providing technical guidance and direction to the development team: This includes advising on technical design decisions, reviewing code, and ensuring adherence to best practices.
  • Defining technical standards resulting in improvement in order processing efficiency, reducing turnaround time and enhancing customer satisfaction.
  • Offering targeted support and expertise to developers in the refinement phase, ensuring the development of efficient, scalable solutions.
Scrum Jira Confluence Java Typescript ReactJs AWS Docker RESTful WebServices Kubernetes
Diconium Digital Solutions GmbH, Berlin (Germany)
1 year 8 months
2019-05 - 2020-12

Online Service Booking platform

Technical Product Owner Scrum Jira Confluence ...
Technical Product Owner
Technical Product Owner for the Online Service Booking platform. OAB serves as Mercedes?s primary platform for facilitating communication between Mercedes owners and their network of suppliers, holding paramount importance in the Mercedes-Benz customer experience. The platform acts as a Supplier Portal, serving as a centralized repository for all relevant information and IT applications crucial to suppliers worldwide. In this role, the main responsibilities include:
  • Defined product roadmaps and created user stories, ensuring alignment with the organization?s strategic goals
  • Acted as a liaison between business stakeholders and development teams, facilitating effective communication and understanding of project objectives
  • Provided comprehensive advice and guidance to both customers and developers throughout the project lifecycle
  • Collaborated with cross-functional teams, including software engineers, designers, and quality assurance, to define and prioritize product features and requirements
Scrum Jira Confluence Java Typescript ReactJs AWS Docker RESTful WebServices Kubernetes
Diconium Digital Solutions GmbH, Berlin (Germany)
3 years 3 months
2016-03 - 2019-05

Portal Project

Lead Developer Java IntelliJ Spring Boot ...
Lead Developer
  • Development and technical leadership of Mercedes Me Portal , enabling users to utilize Mercedes me connect services and buy Mercedes Services
  • In this role, the main responsibilities include:
    • Led the development team in implementing RESTful APIs using Spring Web, facilitating seamless communication between front-end and back-end systems
    • Utilized Spring Security to establish robust authentication and authorization mechanisms, ensuring a secure environment for sensitive customer data
    • Integrated Spring Data JPA to streamline database operations, optimizing queries and ensuring efficient data retrieval and storage
    • Utilized GitHub Actions for automating deployment processes and AWS tools like CDK, ECS, Fargate, and S3 for development needs
    • Played a key role in the platform?s CI/CD pipeline setup, using tools like GitHub Actions, Docker and Kubernetes, ensuring smooth deployments and rollbacks
    • Played a pivotal role in establishing coding standards and best practices within the development team
    • Drove the adoption of containerization techniques using Docker and orchestrated deployments using Kubernetes, enhancing scalability and resource efficiency
    • Introduced monitoring tools and analytics to track platform performance, user behavior, and conversion rates, leveraging insights to drive iterative improvements
Java IntelliJ Spring Boot Spring Data Docker Kafka Jenkins RESTful WebServices GitLab Git PostgreSQL SQL Oracle JProfiler Hibernate OpenJPA SOAP WebServices NGINX Apache JBoss Tomcat Documentum Maven Eclipse
DMC030 GmbH, Berlin (Germany)
1 year
2015-03 - 2016-02

Creation of an OSGi solution

Java software engineer Java Maven OSGi ...
Java software engineer
Created a Data parsing synchronization and server mirroring OSGi solution, ensuring files contents and attributes synchronization between PST data centers using JMS events and XML parsing.
Java Maven OSGi Karaf REST XML SSH Hibernate PostgreSQL Linux Vaadin JMS Wildfly JSON JUnit GIT
PST.AG, Jena (Germany)

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2023-01 - 2023-01

Leading teams & Developing as a Leader

University of Illinois
University of Illinois
1 month
2021-01 - 2021-01

SAFe® Agile Practitioner

Certification,
Certification
1 month
2019-06 - 2019-06

Scrum Product Owner® (CSPO®)

Certification,
Certification
3 years 2 months
2012-08 - 2015-09

Study - Computer Engineering

Master, Ecole Nationale des Sciences de l?Informatique (ENSI)
Master
Ecole Nationale des Sciences de l?Informatique (ENSI)
2 years 1 month
2010-07 - 2012-07

Preparatory School for Engineering degree

Ecole Préparatoire des Etudes d?Ingénieurs (IPEIS)
Ecole Préparatoire des Etudes d?Ingénieurs (IPEIS)

Position

Position

Senior Java Engineer / Software Architect / AI Architect

Kompetenzen

Kompetenzen

Top-Skills

Java Spring Boot Künstliche Intelligenz

Produkte / Standards / Erfahrungen / Methoden

Java
Profile
Senior Java Engineer and Software Architect with 10+ years building distributed backend systems and 3+ years integrating LLM APIs, RAG pipelines, voice AI and automation into production Java architectures. Hands-on Java/Spring Boot specialist with technical leadership and Product Owner experience.

Java & Backend
Java 21, Spring Boot 3.5, Kotlin, Quarkus, REST APIs, microservices, event-driven systems, multi-tenant SaaS, PostgreSQL, Kafka, security and document workflows.

AI Systems
OpenAI, RAG, PGVector, OCR, prompt orchestration, structured extraction, Deepgram, ElevenLabs, LiveKit and Retell AI integrated into production backends.

Cloud & DevOps
AWS, Azure, OpenShift, Kubernetes, Docker, GitHub Actions, Jenkins, CI/CD and observability.

Architecture & Leadership
Software architecture, architecture reviews, technical strategy, code quality, stakeholder communication and leadership of engineering teams. Technical Product Ownership, Scrum and SAFe remain supporting strengths.

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