Projects — 2023 to 2026
14 projects, from hackathons to coursework.
Hackathon builds, course projects and side projects. Most of them run as a demo with sample data right here. Commit counts come from the repositories; where a repository is private or not yet public, it says so. Startup work lives under Experience.
- projects
- 14
- with public repos
- 10
- hackathon builds
- 3
- time span
- 2023–26
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Demo still · sample data Research2023 – 2025PneuNet
Sole author of the code; team of three at Jugend forscht
Started as a high-school research project and continued at Jugend forscht. Results are from the project's own validation split, not a clinical validation.
>87% classification · >95% segmentation- Python
- NumPy
- PyTorch
- TensorFlow
- OpenCV
- Qt
- C++
With demo AIPneumoniaDetection on GitHub ↗PneumoniaJuFo on GitHub ↗
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Demo still · sample data Course projectSummer term 2026ESN Event Hub
Interviews, process analysis and presentations in a team of five
Course project in Foundations of Enterprise Applications at HPI with ESN Potsdam, a volunteer organisation that runs about 80 events per semester across six tools. We interviewed people in different roles, modelled the process in BPMN and shipped a prototype as a team. The code lives in a teammate's private repository; the preview is an illustration with sample data.
Team of five · grade 1.3- BPMN
- Next.js
- Google Sheets API
- Vercel
With demo
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Demo still · sample data AppApr – Sep 2026MediaSync
Solo
An Android app for incremental photo and video backups to USB storage and back. About 26k lines of Kotlin in 155 files. The repository is being prepared for release on GitHub.
Solo · about 26k lines of Kotlin- Kotlin
- Jetpack Compose
- Hilt
- Room
- WorkManager
- USB Host API
With demo
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HackathonMar 2025 · main build in three daysBundesliga fan app
Repository owner in a team of three
Cross-platform app (Expo, React Native; web, iOS, Android) built for the first Bundesliga Hackathon 2025 by DFL, AWS and EintrachtTech. The screens come from the final prototype, run locally. The AWS backend is switched off, so the chat answer shown is a sample.
Repo owner · 18 of 89 commits- Expo
- React Native
- TypeScript
- AWS API Gateway
With demo Code on GitHub ↗DFL on the hackathon ↗
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Demo still · sample data Bachelor's projectSince Oct 2026GorillaScout
One of eight students (ongoing)
HPI bachelor's project at Prof. Gerard de Melo's AI chair. It continues a multi-year pipeline that detects, tracks and re-identifies wild gorillas in camera-trap video. The project started in October 2026 and runs until summer 2027; there are no results of mine yet.
Ongoing · team of eightWith demo Study guide on GitHub ↗
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Demo still · sample data Course projectSince Sep 2026Agentic product with BMW
Team of six (ongoing)
Seminar Trends and Concepts – Building Agentic Products at HPI, with BMW as industry partner. The details are confidential, so this entry only covers the problem, the approach and the technologies. The final presentation is in January 2027.
Ongoing · team of six · under NDA- Python
- pandas
- DuckDB
- Parquet
- pytest
- LLM agent with tools
With demo
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Demo still · sample data HackathonSep 2026 · 48 hoursVoya
Technical lead in a team of three to four
Built at the OpenAI Hackathon at IdeaLab! 2026 (WHU Vallendar). An agent interviews a founder by text or voice, derives a search profile, ranks real conference profiles, drafts personality-adapted outreach and offers a voice role-play to prepare the conversation.
Technical lead · 130 of 142 commits- Next.js 16
- TypeScript
- OpenAI Agents SDK
- OpenAI Realtime API
- Cloudflare Workers
With demo Code on GitHub ↗
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WebsiteSep 2026 · five daystakeøff website
32 of 33 commits
Bilingual site for takeøff, a student cultural collective in Potsdam. Live on Vercel; some content is still placeholder.
32 of 33 commits in five days- Next.js 16
- TypeScript
- Vanilla CSS
- Canvas 2D
- Vercel
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Demo still · sample data ToolMar – Apr 2026Sicily trip planner
Solo
A static multi-page site on GitHub Pages with a Cloudflare Worker behind it.
Solo · 51 commits- JavaScript
- GitHub Pages
- Cloudflare Workers
- GitHub API
With demo Code on GitHub ↗
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HackathonMar 2026Thesinator
Chat, networking and browse features
Built at START Hack 2026 in St. Gallen for the Studyond challenge. Participation, no prize.
+10,546 lines in 5 of 27 commits- React
- TypeScript
- Supabase
- pgvector
- Edge Functions
- Python
With demo Code on GitHub ↗
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Demo still · sample data Course projectApr – Jul 2026PowerSqueak
Feature owner for sections and timer in a team of seven
Software Engineering I at HPI: our team of seven took over the open-source presentation tool PowerSqueak and extended it over nine sprints with weekly customer meetings and pair programming. Team test coverage went from 84% to 95%.
38 commits · ~4,800 lines · grade 1.0- Squeak/Smalltalk
- Morphic
- SUnit
- GitHub Actions
- smalltalkCI
With demo Original tool on GitHub ↗
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ToolAug 2026 · two days¡Vamos!
Solo
A vanilla-JavaScript PWA for learning Spanish up to B1/B2, offline and without an account. Live on GitHub Pages.
Solo · 34 commits in two days- JavaScript
- PWA
- Service Worker
- localStorage
- GitHub Pages
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Demo still · sample data AppDec 2024 – Jan 2025OweFlow
43 of 120 commits
A Flutter prototype built with a fellow student. There is no public build, so the preview is an illustration of its home screen, rebuilt from the source code.
43 of 120 commits- Flutter
- Dart
- Firebase Auth
With demo Code on GitHub ↗
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Demo still · sample data Course projectNov 2025 – Jan 2026TouchdownTactics
Card, hand and elixir subsystem in a team of seven
Built in the Software Architecture course at HPI as a team of seven: a card-based tower-rush game in Squeak/Smalltalk, with design patterns applied throughout. The repository belongs to the course and is private, so the preview is a rebuilt illustration.
38 commits · team of seven · grade 1.0- Squeak/Smalltalk
- Morphic
- SUnit
- Squot/git
With demo
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