Hans-Heinrich Wegemund-Senior AI Product Engineer | FDE · Agentic AI · MVP Development
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Experience
Senior AI Product Engineer | Flutter · MVP · Agentic Engineering
struppilog.com
struppilog.com – Digital health record for pets / MVP → Full Product
Design, development, and full further development of a digital health platform for pets – from my own MVP development to a fully built and production-ready platform.
Independent concept and development of the MVP Development of the full application with Flutter/Dart and Firebase Expansion of the MVP into a full digital health record with health data, findings, allergies, medications, documents, and emergency data Development of user registration, authentication, roles, data models, and secure user interactions Implementation of QR-code-based data exchange and digital interaction features Development of a multilingual, responsive web application Integration of AI-supported features and AI/agentic workflows Development and continuous improvement of product logic, UX/UI, and technical architecture Building and expanding a scalable cloud-based solution with Firebase Integration and further development of APIs and external services Use of AI-native / agentic engineering to speed up development, testing, debugging, and product iteration Independent implementation of all other features and technical extensions Continuous further development of the MVP into a full digital product
Impact: The MVP I built myself was continuously developed technically and functionally into a broad, production-ready platform – including frontend, backend, data model, authentication, UX/UI, APIs, cloud infrastructure, and ongoing product development.
Senior AI Product Engineer | Flutter · MVP · Agentic Engineering
hauau.de
HAUAU – AI Avatar & Digital Media Marketplace / MVP → Full Product
Design, development, and full further development of an AI-based platform where digital avatars can interact with fans and customers, hold conversations, and offer digital media and products – from my own MVP development to a fully built platform.
Independent concept and development of the MVP Development and continuous expansion of the overall technical architecture Development of the platform with Flutter/Dart Development of realistic AI avatars that can interact with fans and customers and hold conversations Integration of AI voice, speech, and lip-sync Development of a conversational AI architecture for direct communication between avatar and user Integration of RAG / knowledge systems so avatars can access individual knowledge bases and respond based on them Integration of ElevenLabs for AI-based voice generation Development of a marketplace system for digital media and products Ability to sell and provide digital content such as books, songs, videos, and other media Integration of Stripe for payments, monetization, and digital transactions Development of user registration, authentication, and user management Implementation of the core avatar, communication, content, marketplace, and payment flows Integration of external AI, media, and API services Development of frontend, backend logic, data models, and product logic Development of a multilingual platform with support for 36 languages Use of AI-native / agentic engineering for prototyping, development, testing, debugging, and fast product iteration Continuous expansion and further development of the originally self-developed MVP
Impact: The MVP I built myself was continuously expanded into a comprehensive AI platform where avatars can communicate with fans and customers, hold individual conversations, and at the same time digital media and products such as books or songs can be offered and sold – including AI voice, lip-sync, knowledge / RAG system, marketplace, and integrated payment processing.
Senior AI Product Engineer | Flutter · MVP · Agentic Engineering
Sunriza.com
Sunriza.com – Digital platform for grief support & life documentation / MVP → Full Product
Design, development, and full further development of a digital platform for grief support and the personal “Book of Life” – from my own MVP development to a fully built platform.
Independent concept and development of the MVP Development and continuous expansion of the overall technical architecture Development of the platform with Angular Building and further developing the backend and data architecture with MongoDB and DigitalOcean Concept and implementation of the personal “Book of Life” Development of digital features for grief support and personal documentation Development of the core user areas and digital content Building scalable data and product structures Preparation and technical implementation of future expansion options and partner integrations Independent development of frontend, backend logic, data models, product logic, and UX/UI Deployment and operation of the platform via DigitalOcean and Vercel Continuous independent further development of the product Implementation and further development without AI / programming help
Impact: The MVP I built myself was continuously expanded into a fully developed digital platform for grief support and personal life documentation – from the product idea through the technical architecture and development to the fully built product and live operation.
Senior AI Product Engineer | Flutter · MVP · Agentic Engineering
frentle GmbH
frentle.com – Landing page builder, marketplace & digital business platform / MVP → Full Product
Design, development, and full further development of my own digital platform for landing pages, marketplace, shop, and interactive digital communication – from my own MVP development to a fully built platform.
Independent concept and development of the MVP Development and continuous expansion of the overall technical architecture Development of the in-house landing page builder Development of the platform with SvelteKit Building and further developing the backend and data architecture with MongoDB Development of an integrated marketplace and shop system Implementation of multilingual landing pages and digital campaigns Development of interactive features for trade fair communication and digital product presentations Development of the core user, content, marketplace, and shop flows Independent development of frontend, backend logic, data models, product logic, and UX/UI Building, deployment, and operation of the platform with DigitalOcean and Vercel Continuous independent further development of the product across the full lifecycle Implementation and further development without AI / programming help
Impact: The MVP I built myself was continuously expanded into a comprehensive digital business platform with landing page builder, marketplace, shop, and interactive communication features – from the original product idea through the technical architecture and development to the finished product and live operation.
Industry experience
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Experienced in Information Technology, Healthcare, and Media and Entertainment.
Business area experience
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Experienced in Information Technology and Product Development.
Summary
Entrepreneurial full-stack developer and AI expert with many years of experience in designing, building, and fully delivering digital products – from the first product idea and MVP to a production-ready product. I combine technical execution with product strategy, business model development, and project ownership, and I build solutions independently across the full product lifecycle.
My focus is on AI, agentic engineering, digital platforms, SaaS, marketplace and payment solutions, as well as modern web and cloud technologies. I am looking for challenging projects where I do not just code, but take ownership of product, technology, and execution and turn an idea into a working digital business.
Skills
Product Development & Entrepreneurship End-To-End Development Of Digital Products – From Product Idea, Business Model And Product Concept Through Mvp Development To Full Delivery, Further Development, And Production Operation.
Ai & Agentic Engineering Development Of Ai-Based Products And Integration Of Modern Ai Workflows. Experience With Llms, Rag, Ai Agents, Conversational Ai, Ai Avatars, Voice Ai, And Lip-Sync. Use Of Ai-Native / Agentic Engineering For Development, Prototyping, Testing, Debugging, And Fast Product Iteration.
Full-Stack Development Independent Development Of Complete Applications Including Frontend, Backend, Databases, Apis, Authentication, User Management, And Cloud Infrastructure.
Technologies & Frameworks Flutter / Dart, Angular, Sveltekit, Firebase, Mongodb, Digitalocean, Vercel, Stripe, Rest Apis
Ai / Media Technologies Rag, Llms, Ai Agents, Elevenlabs, Ai Avatar, Lip-Sync, Voice Generation, External Ai And Media Apis
Payment & Marketplace Development Of Marketplace And Shop Systems, Payment Flows, And Monetization Models Including Stripe Integration.
Product & Ux/Ui Design And Implementation Of User Flows, Ux/Ui, Data Models, And Product Logic With A Focus On Simple, Clear, And Scalable Digital Products.
Internationalization Development Of Multilingual Platforms And Internationalization Of Applications – Including Support For 36 Languages.
What Sets Me Apart: I Combine Entrepreneurship, Product Development, Technology, And Ai, And Can Build A Digital Product Independently From The Idea Through The Mvp To The Finished Product. I Work In A Strongly Solution-Oriented, Iterative, And Technology-Open Way And Can Take On Both The Business/Product Perspective And The Technical Implementation.
Languages
Education
Self-taught software development
No formal degree – self-directed learning with udemy.com · Software Development / Full-Stack Development / AI Engineering · Ismaning, Germany
Since 2006, I have continuously developed software and digital products on my own. I have built up broad practical knowledge in full-stack development, web and app development, databases, cloud infrastructures, APIs, UX/UI, as well as modern AI and agentic engineering technologies.
Through the practical development of my own digital products, I have independently built and continuously expanded my skills from product concept and technical architecture through frontend and backend to deployment, testing, debugging, and ongoing development.
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Hans-Heinrich is based in Munich, Germany and prefers 100% remote projects.
Hans-Heinrich speaks the following languages: German (Native), English (Advanced).
Hans-Heinrich has at least 17 years of experience. During this time, Hans-Heinrich has worked in at least 1 role and for 4 different companies. The average length of individual experience is 4 years and 2 months. Note that Hans-Heinrich may not have shared all experience and actually has more experience.
Based on recent experience, Hans-Heinrich would be well-suited for roles such as: Senior AI Product Engineer | Flutter · MVP · Agentic Engineering.
Hans-Heinrich's most recent position is Senior AI Product Engineer | Flutter · MVP · Agentic Engineering at struppilog.com.
In recent years, Hans-Heinrich has worked for struppilog.com, hauau.de, Sunriza.com, and frentle GmbH.
Hans-Heinrich is most experienced in industries like Information Technology, Healthcare, and Media and Entertainment.
Hans-Heinrich is most experienced in business areas like Information Technology and Product Development.
Hans-Heinrich has recently worked in industries like Information Technology, Healthcare, and Media and Entertainment.
Hans-Heinrich has recently worked in business areas like Information Technology and Product Development.
Hans-Heinrich attended Self-taught software development for Software Development / Full-Stack Development / AI Engineering.
Hans-Heinrich is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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