• Spearheaded the design and development of an industrial real-time video analysis infrastructure for a Gigafactory project, setting a cornerstone for advanced manufacturing video analytics.
• Orchestrated the implementation of Proof of Concepts (PoCs) for core software components, serving as foundational blueprints for the development team and ensuring alignment with project specifications.
• Directed a global remote development team, fostering collaboration and knowledge sharing across borders to drive the project towards success.
• Engaged with a wide array of stakeholders to gather requirements, refine project objectives, and develop a comprehensive system architecture that addressed key business needs.
• Produced extensive documentation, including system designs, Jira epics, and task outlines, facilitating clear communication and efficient workflow within the development team.
• Led the deployment phases with a keen focus on end-to-end (E2E) testing, ensuring the system?s reliability and performance met rigorous standards.
• Developed and demonstrated versatile use case implementations in Golang and Java, focusing on monitoring, data storage (S3, MinIO, SeaweedFS), and event streaming (Kafka) to guide the team?s development efforts.

Conducted in-depth analysis of cutting-edge machine learning technologies, including convolutional neural networks (CNNs), visual transformers, and localized natural language processing (LLMs), to explore potential enhancements for the video analysis capabilities

• Pioneered the upgrade of a Language Model (LLM) infrastructure, initially created in 2023, transitioning from proprietary OpenAI APIs to versatile open-source LLM frameworks.
• Engineered and integrated novel document reader modules and autonomous agents, leveraging the capabilities of the LangChain framework to enhance functionality.
• Implemented and refined relevance and generative adversarial network (RAG) schemes, bolstering the system's interpretative and responsive capabilities.
• Conducted a thorough assessment of multiple vector databases, identifying optimal solutions for efficient data indexing and retrieval to support sophisticated language models.

• Pioneered the architectural design for both backend and frontend components of an innovative healthcare product line, emphasizing scalability and cross-platform functionality.
• Led the development and successful deployment of a Proof of Concept (PoC), followed by the launch of the first production-ready solution, targeting a significant market entry in 2024.
• Engineered a comprehensive mobile application suite for iOS and Android, integrating an embedded Golang server with IoT and edge computing capabilities for real-time data processing.
• Implemented a diverse range of sensor and radar technologies to enhance device interactivity and data accuracy, fostering advancements in healthcare monitoring and diagnostics.
• Coordinated closely with the startup team to ensure a seamless handover of the complete solution, including detailed documentation and user guides created with Figma and wireframing tools.

• Developed a comprehensive live streaming platform tailored for concerts, conferences, and group chats, inclusive of an integrated ticketing system that handles backend processes and front-end user interactions.
• Built and integrated a multifaceted file exchange, chat, and collaboration system coupled with a robust payment processing framework.
• Analyzed real-time data to identify trending topics, informing content curation and enhancing user engagement.
• Established a scalable infrastructure capable of accommodating a growing user base and fluctuating demand.
• Directed UX/UI development, from creating wireframes and user stories to managing their execution with an offshore team in India, focusing on a clean and intuitive interface.
• Played a pivotal role in connecting microservices securely, ensuring data protection and system integrity.
• Orchestrated the DevOps strategy, including continuous integration and deployment (CI/CD), monitoring, and system resilience.
• Implemented a WebRTC-based solution for versatile video/audio/data interactions across multiple streaming modalities (one-to-one, one-to-many, many-to-many).
• Configured a scalable proxy frontend utilizing Traefik and Keycloak for enhanced API security, authentication, and authorization protocols.
• Enabled diverse connectivity options among front-end applications, clients, and the backend systems through REST, gRPC, and GraphQL.
• Integrated third-party services for video streaming, collaboration, and file sharing, enriching the platform's functionality.
• Devised a video streaming pipeline employing machine learning to provide adaptive streaming quality and additional feature sets.

• MQTT/Kafka
• Docker
• Quarkus
• Prometheus
• Grafana
• PostgreSQL
• WebRTC
• Nvidia CUDA
• Tensorflow
• Angular 12+ UI
• Ionic mobile apps
• Test Tools
• Jira
• Confluence
• RPi
• Jetson Nano
• Qualcomm CPUs
• Pion
• Livekit
• embedded hardware
• Sensors&Actuators
• ROS2
• AWS DeepRacer
• Go/Golang
• Typescript
• Shell Scripts

• Planung und Aufbau einer Platform für Content-Sharing, Online-Collaboration, verteilte Backup-Systeme sowie diverse Audio/Video Streaming-Dienste. Datensicherung und Synchronisation mittels S3-kompatibler Systeme. Kommunikation der Microservices mit Hilfe von Messaging.
• Aufbau einer skalierbaren Umgebung für das Streamen von Konzerten und Konferenzen (one-to-many) sowie von Gruppenchats (many-to-many). Integration diverser Streaming-Platffomen wie Ovenmediaengine, Jitsi, BigBlueButton. ONVIV, RTSP, RTP. Deepstream, gstreamer.
• Aufbau der skalierbaren Systemplatform mit Traefik, Keycloak sowie Nest.JS-basierten Microservices. Monitoring mit Prometheus/Grafana. UI (desktopp, mobile) mit Angular 10 und Ionic.
• Projektleitung - diverse Offshore Frontend/Backend-Entwickler (für Angular Frontends, Teile des Backends).
• Cloud-Support mit Docker, Kubernetes, S3, EC2 etc.
• Integration diverser Videostreaming-Plattformen
• Implementierung einer Videostream-Pipeline zur Analyse mit machine Learning

Developing and implementing the end-to-end real-time video and data streaming architecture and infrastructure for an autonomous robot. Integrating the initial solution into the HomeConnect cloud system. Several PoCs for different levels of real-time video and data channel use cases. Implementing the complete WebRTC-based backend and client infrastructure. Implementing a browser based WebRTC client for testing. Implementing an edge device WebRTC client. Implementing a real-time remote control data channel system.

MQTT/Kafka, Docker, Quarkus, Prometheus, Grafana, PostgreSQL, WebRTC, Nvidia CUDA, Tensorflow, Angular 12+ UI, Ionic mobile apps, Test Tools, Jira, Confluence, RPi, Jetson Nano, Qualcomm CPUs, Pion, Livekit, embedded hardware, Sensors&Actuators, ROS2, AWS DeepRacer, Go/Golang, Typescript, Shell Scripts

Acting as the Senior System Architect spanning multiple teams with the goal to introduce new technologies and to increase productivity and scalability.

Working on MVC proposals and PoC implementations for system wide monitoring, alerting and implementing various PoC stages for complex SmartMeter Gateway (SmGW) use cases. Technical counterpart for several developer teams to work on system analysis, defining next steps and system migration into more modern technologies. Analyzing the flow of incoming IoT-related measurement and event data objects. Analysis of typical data flow scenarios in the electrical grid marketplace.

Kafka, Docker, Kubernetes, Spring Boot, node.js, NestJS, Quarkus, Keycloak, Prometheus, Grafana, Azure, PostgreSQL, TimescaleDB, fluent-bit, Telegraf, InfluxDB, Istio,Test Tools, Jira, Confluence

• Pioneered the design and development of one of the world?s first intelligent Wallbox systems for electric vehicles (EVs), focusing on bi-directional energy distribution.
• Undertook end-to-end project responsibilities, from concept to implementation, creating a scalable environment for Wallbox pooling systems.
• Built proof of concept (PoC) models and evolved them into a fully functional demo, paving the way for initial test deployments.
• Orchestrated stakeholder meetings, aligning multiple companies and development teams to ensure project cohesiveness and goal alignment.
• Analyzed and mapped data flow scenarios within the electrical grid marketplace to optimize the energy distribution logic for battery electric vehicles (BEVs).
• Culminated the project with the delivery of a Minimum Viable Product (MVP), seamlessly transitioning the system for partner integration and field deployment.
• • Trailblazed in the EV charging infrastructure domain by architecting an innovative solution that set a benchmark in the industry.
  • Demonstrated expertise in system architecture, delivering a robust solution capable of supporting future expansions and integrations.
  • Kafka
  • Docker
  • Kubernetes
  • MQTT
  • Spring Boot
  • Quarkus
  • Prometheus
  • Grafana
  • Azure
  • InfluxDB
  • IEC 101/104
  • NestJS
  • Test Tools

• Weiterentwicklung eines Backends (node.js)
• Sicherheitsaspekte, Architekturfragen, Tests mit Cucumber, jest

• Served as a Senior Technical Architect overseeing numerous projects focused on the integration and analysis of systems in Smart Cities, Smart Sensors, IoT, and traffic signaling/prediction.
• Developed software architectures to facilitate the connectivity of external systems with Siemens Concert/Sitraffic systems, ensuring smooth data interchange and system functionality.
• Architected a scalable Data Space environment leveraging microservices for a new IoT infrastructure, enhancing the big data analysis capabilities.
• Formulated ontologies for data objects and strategies for metadata enrichment during the data ingestion process, contributing to more refined data analytics.
• Created a secure, data-driven flow system to ensure data integrity and privacy across all channels.
• Designed and deployed Kafka Stream/Connect components to handle high-throughput data processing, providing robustness and reliability.
• Executed several proof of concept (PoC) variations for the Data Broker component, incorporating solutions from industry leaders like Netflix, Lyft, Uber, Airbnb, and LinkedIn.
• Defined communication protocols for Center-to-Center interactions, playing a crucial role in international traffic management initiatives.
• Transitioned Hadoop-based PoCs to a more agile and efficient Presto SQL solution, optimizing for real-time data processing.
• Maintained a regular schedule of code reviews and daily discussions with the development teams, addressing a wide spectrum of technical challenges and ensuring best practices.
• Managed two offshore development teams based in Pune, India, overseeing system architecture decisions, framework selection, and code review processes, supplemented by face-to-face workshops to enhance team collaboration.
• 
  
  
  Key Technologies:
  REST APIs, Spring Boot, Spring Security, SOAP, ActiveMQ, Kafka, Spark, Pulsar, OpenWhisk, Juno,
  Micronaut, GIS Technologies, Data Spaces, Ontologies, DevOps topics, ELK, Monitoring, node.js,
  JavaScript, Typescript, Java, Prometheus, Kibana, Traefik, Wireshark, SNMP, OCIT, Docker,
  Kubernetes, AWS, Cloud, protobuf/gRPC, Cassandra, MongoDB, Aerospike, Min.IO, Presto, Hive, IoT,
  international traffic control standards like TMDD or NTCIP, Interface-Technologies, AimSun,
  Vaisalla, various related technologies. IoT and Sensors. ONVIF connectivity

• The main work for this project ended in December 2014 and will proceed as a small “side project” (weekends) for on-going adaptations of new services.
• Defining the complete technical infrastructure for an international portal in the music marketing business (digital and physical distribution). Responsible for the complete IT infrastructure including site look&feel, security, cloud computing, ecommerce etc.
• Interfaces to music labels and stores using RESTful interfaces, JSON, open APIs, XML. Automating the ecommerce area. Handling large amounts of content including cloud storage and backup. Microsite builder, Communities, Mashups, Data Mining.
• Legal setup, tax optimization, investor documentation and meetings.
• Complete project management for an international team of developers and designers. Defining the JS libraries and extensions. Defining HTML5 Canvas solutions. Doing mobile apps (Android)

Key Technologies:

Grails, Groovy, XML, JSON, REST, Java, Spring, Hibernate, MySQL, Linux, Tomcat, JavaScript, GWT, jQuery, JQuery Plugins and –UI, CSS, HTML5, Touch Interfaces, mobile and online payment systems, mass data cloud computing, data security, vendor API programming, Wordpress API, Android, iOS, Tablet Systems, Media Converters, Music Fingerprinting, Apache POI, WAV, FLAC, MP3, pub, micro formats, Red Book, etc.

Evaluation of Cloud services (Amazon, Google, Akamei, Edgecast, Contendo, Limewire, HP etc.), implementation of a custom media distribution infrastructure for fast and secure media transcoding (FLAC, WAV, MP3, encryption) and distribution based on a universal cloud storage layer.  Open Source Cloud Storage Solutions. Legal aspects of media distribution. Intellij Idea/Android Studio/WebStorm.

This project is working fine  – I am CTO of this running entity without a significant workload.

Note: I will be working on an Update November 2016.

Konzeption für ein Microservice- und Micro Frontend-System zur Kombination unterschiedlicher browser apps (Angular, Vue, React, Web Components etc.) in einem DOM.

Analyse von Micro-Frontends.

Implementierung diverser Proof-of-Concept Lösungen.

Defining the migration process and all needed components for an existing “in train” portal to current technologies (frontend, backend). Implementing the migration tools, setting up the new system. Implementing the new portal based on the defined structure and Angular 6 from scratch against the rules of Atomic Design.

Defining UE atoms, molecules,organisms.

Analyzing the current trends and technologies in the Home Appliance and SmartHome markets. Market analysis around IoT and SmartHome Connectivity with the goal to define concepts for the BSH internal innovation network. Connecting projects inside of BSH and Bosch to improve communication and technology exchange.

Defining and implementing PoC solutions for machine learning, deep learning and natural language processing (NLP). Working with BOSCH Corporate Research (Renningen, Sunnyvale USA).

Defining potential content formats for internal, community driven content. Defining a potential CMS for a connected device environment. Analysing add-ons like NLP (Natural Language processing), gestures and other topics.

Demonstrating and architecting browser based App technologies and new UX approaches for embedded solutions based on Angular and Qt 5. Defining upcoming use cases. Abstracting natural language IO and implementing related machine learning use cases. Defining complex CMS structures and a round trip ecosystem.

Implementing a client/server system to develop and run Chatbot use cases.

Defining and implementing PoCs for various technical machine learning topics. Workshops. PoCs. Connecting People. System Architectures

Analysing the current state of all platforms - developing roadmaps and requirements for the future of connected devices. Developing Proof-of-Concept solutions (PoC). System Design and –Architectures for connected devices. Integration into SmartHome environments, Embedded Linux environments, Browser based Apps, Use Cases, Natural Language IO, Workshops. Connecting People.

Key Technologies:

Embedded Linux, IoT, Build systems, Market Research, Zephyr, Node.red, Node.js, Brillo, HomeConnect, AllSeen(AllJoyn, OpenHab, Iotivity, HomeKit, Android, iOS, Google Assistant, Google Home, NLP Technologies, Bot Technologies, Connected Devices, Cloud Environments, Security, Arduino, Raspberry Pi, IFTTT, SmartThings, KNX, HomeKit, AllSeen AllJoyn, OCF, IoTivity, Lora, Yocto, RiOT, FreeRTOS, OSTRO, Linaro, Soletta, Hybrid Apps, Embedded Chromium, UX/UE.

Defining the scope, use cases and the architecture for a mobile start-up company (location/context based services, targeting advertisement). Implementation of client and server (Dashboard) code. Implementing location based services, sensor services, power management, background services, REST communication for Android devices (Android SDK). 

Defining and implementing iBeacon based location service features.

Defining and implementing a scaleable cloud based push service infrastructure.

Defining the architecture the big data analysis system to manage KPIs and “intelligent” targeting filter scenarios etc.

Implementing the client and server database structure.

Implementing the Android SDK, Android apps, AngularJS based dashboard, Grails based REST API.

Leading a multi national, multi site on-site and off-shore developer team.

Extending/finalizing an Android app for an in-car Entertainment solution.

Key Technologies:

Android, Media streaming, Background Services, XML, Notifications, Power Management. Tablet/Smartphone layout rewrites, adaptations and optimizations. Device specific fixes. Custom Theming. Wireframes.

IntelliJ Idea, git, embedded.

Implementing a Location Based Services scheme for iBeacons on Android.

Key Technologies:

Android, iBeacons, BLE, Bluetooth, Background Services, JSON, RESTful interfaces, Notifications, Power Management, GSON. Workshops explaining iBeacon Technology. Handling iBeacon hardware selection.

Defining and implementing the mobile client for a complex use case for BMW Motorrad.

Key Technologies:

Android, Wireframes, UX Design, RESTful interfaces. Custom UE components, Tablet UE, QR Scanner, Camera, Jackson, JSON, Encryption, Authentication.

Developing/implementing/improving the strategy and architecture of a portable mobile platform solution. Implementation of the specific the Android release. The solution is the strategic, portable and modular mobile platform of a worldwide insurance company.

Key Technologies:

Android, Phonegap/Cordova, iOS, Javascript, jQuery, HTML5, AngularJS, Java, Wireframes, CSS, Touch Interfaces, Touch UE Design, Backend, Browser based Apps, Portable Apps, Webkit, native Interfaces, Tablet, Smartphone. Android libraries like ActionbarSherlock, Maven, git, SVN, Testing, Documentation. Modular build concept based on Maven. Migration to Gradle. Yeoman, grunt, bower, node.js. Intellij Idea/Android Studio, WebStorm.

• Developing and implementing the touch UE for an industrial system based on GWT and browser based technologies. Defining and building up the general System Architecture for the Client, Documentation based an message events, custom UI Widgets and WebSocket communications.
• Managing the UI definition process (System analysis, defining Requirements, producing the Wireframes, briefing visual design teams, refining wireframes and visuals, implementing final visual design)

• Small parallel project: Developing/implementing the potential architecture for a tablet device content application.

• Analyzing the requirements and technology for ongoing and future Android projects regarding changes imposed by Android ICS. Developing a strategy for UE, testing etc.

• Developing the future architecture for a platform-independent mobile application suite. Taking over the further development of an existing Android system analysis application. Customizing this application. Extending a market research application, which gathers all the available information about activities on the phone of Market research Panel users for market research analysis.

• Analyzing the requirements and technology for a broad VoIP-Solution for Android and iOS-Devices. Project management tasks Telekom-internally and as a peer to an international software development company. Discussing and defining use cases for the application and test teams.
• Providing solutions for the integration into the Telekom network.

• Developing the system architecture, the user interface design and implementing a touch user interface based solution for a mobile network analyzer. The solution runs on Linux in an embedded environment (OMAP) and on Android. The user interface runs as compiled JavaScript in a browser object while the control logic is implemented as a Python module.

• Developing a concept for a iPad-specific transformation of Desktop web content of a larger newspaper.  Stopped because of time constraints.

• Technical consultancy and workshops regarding Android, general mobile platforms, appstores and browser based applications. Discussing and developing solutions with the Scrum team.
• VoIP feasibility study based on native applications and browser based frameworks

• Designing a new VoIP-based communication suite for Android handsets based on LTE (transport) and IMS (media session management) as the lead system design architect (technical project management). Defining the system design for the application CPU (not the transport layer) including RIL and the general app design (wireframes, technical architecture etc.) for VoIP and Video calls.
• Integrating into Android address book and other native apps. Android, Java, C, LTE, IMS, Radio, RIL, Android telephony, UX (User Experience). Working in an international and mixed Agile/Scrum vs. classic Waterfall environment.
• This project has migrated to VoLTE on IMS

• Driving the OMTP BONDI standard for browser based applications. Defining new requirements and specifications for BONDI APIs. Driving native ports. Implementing selected APIs. Defining technical architectures for potential ports. Face2 Face meetings, phone conferences

• Developing a completely new browser based application framework including the UE concept for platform independent browser based applications. Definition of a mobile platform, all interfaces to a real mobile platform (LTE, EMP), inter application communication, fundamental Widgets and User Experience. Definition of important use cases for proof-of-concept work. WebKit work.
• Implementation under various platforms including Android.

• Porting Android onto the In-Car-Entertainment System of a car company. Defining the system architecture for an Android based in-car solution. Developing use cases for a “connected car”, presentation of dynamic car parameters (speed, temp, oil pressure, recurring track times etc.) security/sandboxing and app store concepts.

• Developing and improving of a prototype design for multimedia services as part of the Ericsson Mobile Platform (EMP). Integration of the prototype description and design into existing platforms.
• Developing new services based on SIP/IMS-Frameworks and EMP (Audio, Video, Text Messaging, File Transfer, Whiteboarding). Testing. Integration of the new services into the platform as well as other applications. System design, System architecture, International standard requirements.
• Defining the complete UE (GUI/User Experience) of the new application suite including wireframes, screens (managing external graphics department) and defining the system requirements along the way.
• Concepts for future applications based on LTE/WiMax/HSPAe
• Concepts for new UE based on browser based applications, mobile Linux

• Developing, adapting and optimizing of UI flows for a „Streaming Music“-application for mobile devices and desktop PCs. Improving the existing infrastructure based on the user experience view.
• Useability Tests, Analyzing the UE.
• Developing a new solution for Podcasts, Download-Manager etc. Analyzing potential AJAX implementations.

• User Experience Manager for a large international mobile operator.
• Organisation/Management/Optimisation/Implementing of menu structures, the Look&Feel etc. based on the operator specifications for mobile devices. Managing devices from different vendors.
• Practical solutions and implementation of new services. Organisation and managing/running of device tests, fault reports/calls.
• Application Flows, Adaption, Project management, Industrial Design. GUI Design and Optimisation. GUI/HMI/CHI Interface Design, Implementing, Consulting, Mockups.
• This project includes services like MobileTV, streaming Music, PTT, IM.
• Additional activities like technical presentations covering mobile system platforms or explaining upcoming trends in the mobile industry.