Defining the complete architecture for a real-time video analysis infrastructure as part of a Gigafactory-project. Implementing the PoCs, building up the dev team and handover dev tasks. Working with all stakeholders to analyze the topic and building up the Jira epics, tasks for the dev team. Leading the team. Refining all topics during the project. Preparing and leading the deployment phases. E2E-Testing. Analyzing current machine learning topics like visual transformers, LLMs, OpenCV-based options for potential usage.

Building up the initial international dev team

Developing a PoC to automatically analyze content to provide on-the-spot summaries. Exploring various vector databases, tools like LangChain, Llamaindex, Ragas, Llama.cpp and many more. 

Working on various content types to be used for local embeddings. Benchmarking the results. Developong ideas of how to go forward with LLMs in general for other use cases.

Defining and implementing the end-to-end real-time video and data streaming architecture and backend infrastructure for an autonomous robot product. Integrating the initial solution into the existing 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 (Typescript) client for testing. Implementing an edge device WebRTC client (Golang/gstreamer). Implementing a real-time remote control data channel system and command&control infrastructure.

Defining metrics and KPIs. Defining and implementing sequence diagrams for the communication between all participants.

Defining and implementing metrics and KPIs for Monitoring covering all components.

Defining and implementing tools for video quality analysis. Defining machine learning specific requirements.

Leading the dev team in India

• 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

• Defining and implementing a scalable architecture (PoC) to control charging station management/analysis systems - for a specific car manufacturer. Connecting external charging and grid systems via the new scalable data broker. Implementing standard and use case specific business logic.
• Adding (big)data lake/data space concept. Leading/driving the communication with all stakeholders to align and define the final project scope. Implementing the PoC along those lines.
• Adding data lake/data space concept based on Kafka, Kafka Connect, Kafka Streams, kSQL. Schema design using AVRO with versioning.

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

• Technical Architect for multiple projects and dev teams. Analysing various protocols and related system integration in the area of Smart Cities, Smart Sensors, IoT and Traffic Signalling/Prediction. Defining the software architectures to connect related external systems with the Siemens Concert/Sitraffic System.
• Defining the System Architecture for a scalable Data Space environment (new IoT Infrastructure and related universal big data analysis software layers). Defining data object ontologies and metadata enrichment during data ingest. Defining a data driven secured data flow system.
• Defining Kafka Stream/Connect components. Implementing multiple PoC variants for the central Data Broker component based on Netflix Metacat, Lyft Amundsen, Uber Databook, AirBnB Dataportal and LinkedIn Data Hub.
• Defining Center-to-Center communication systems for international traffic management projects.
• Regular code reviews, daily calls with dev team members to discuss “anything” – spanning a wide range of tech stacks, code, evaluations and assessments (I am referring to this role as being a tech stand-up comedian at times).
• Managing two different dev teams in India/Pune in respect to system architecture and all related topics (architecture, framework selection, code reviews etc.). Regular visits for F2F workshops etc. in Pune/India

• 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.