Curriculum Vitae
Background, education and skills.
Fullstack Product Engineer
Willi Krappen
Münster
Available for part-time (20–25 h/week), remote. Also as a freelance engagement.
Education
2015–2017
Media Informatics studies - TU Dresden
Left in 2017 in favour of professional practice; moved into full-time development work.
2012
Abitur (German university qualification) - final grade 1.8
Experience
2021–2024
Co-founder & technical lead - Lemonverse GmbH (Münster)
Co-founded a specialised agency for VR, AR and mixed-reality applications focused on industrial training (hands-on trainings for machine operation, maintenance, safety). VR trainings in Unreal Engine, public web projects in React and Three.js. Responsible for stack choice, build pipelines, engine work and on-site hardware setup at customer locations. Direct stakeholder contact from requirements workshops through to training internal trainers.
Clients (selection)
- Windmöller & Hölscher
- Allwetterzoo Münster
- Pferdemuseum Münster
- Stiftsmuseum Asbeck
2017–2020
Frontend developer - OPOX GmbH (Dresden)
Three years of full-time employment at a digital agency. Main project: shift-planning software for an industrial client with smart workplace assignment and automatic skill leveling from deployment history. Alongside that, React/TypeScript applications for industry and public-sector clients, in mixed Scrum teams with stakeholder communication on sprint cadences.
Clients (selection)
- Stadt Dresden
- BOSCH
seit 2013
Freelance developer
Continuous freelance practice running alongside the employment and the co-founded venture: web products and specialised applications for SMEs, non-profits and the public sector, focused on React/Next.js, TypeScript and Three.js. Current ongoing clients: INDRO e.V. (since 2025) and Drogenhilfe Deutschland (since 2026); the focus alongside that is on own products (pagebee.de as a multi-tenant SaaS) and engineering studies in agentic AI (multi-agent systems, AI-orchestrated editor tooling, typed tool loops).
Clients (selection)
- Pfennigturm GmbH
- Coilinter GmbH
- COBE GmbH
- parsQube GmbH
- High Lights GmbH
- Drogenhilfe Deutschland
- INDRO e.V.
2012
Internship - Onsult IT Services
Worked on software for car dealerships using HTML, CSS and PHP.
Vita
Employment and co-founder stations before the current product-engineering focus.
2021–2024
Lemonverse
Co-founder & technical lead - stack, engine, build pipeline, hardware setup
Co-founded a Münster-based agency for industrial VR hands-on training. Responsibility from concept through to on-site hardware deployment.
2017–2020
OPOX
Frontend developer - planning software, configurators, internal tools
Three years of product development at a Dresden digital agency. Main focus: shift-planning software for an industrial client with smart workplace assignment and automatic skill leveling. Clients include the City of Dresden and BOSCH.
Skills
Core
- TypeScript
- React / Next.js
- Tailwind / shadcn
- Node
- Three.js / R3F
- Anthropic SDK
- Postgres / Prisma
In active use
- Express / Hono
- BullMQ / Redis
- WebSockets / SSE
- Docker
- nginx / PM2
- Git / Scrum
- UNIX / Linux Serveradministration
- Windsurf / Cursor / Claude Code
Familiar
- Python
- PHP
- MongoDB
- Drizzle
More
Languages
- GermanNative
- EnglishC2
- FrenchA2
Driving licence
Class B
Misc