Profile

AI

&

Web

Freelancer,

Researcher

M.Sc. Walter Ehrenberger

AI Battle Sim
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What I can do for you

I specialize in building end-to-end solutions, by combining modern AI with full-stack web development. My expertise spans the entire pipeline: from data engineering and model training on distributed systems to production deployment and hosting.

  • PyTorch
  • Reinforcement Learning
  • Ray/RLlib
  • LangChain
  • HuggingFace
  • FastML
  • React & Next.js
  • TypeScript & JS
  • Tailwind CSS
  • Node.js
  • DeckGL
  • Postgres & MySQL
  • ELT Pipelines
  • Neon & Supabase
  • Data Warehousing
  • Cluster Management
  • Docker
  • DevOps & MLOps
  • Vercel Deployment

Whether it is teaching an AI to dominate video games, data analytics, web development or processing massive datasets, I bring ML innovations to life through practical applications, as some of my projects will show you in the next section (:

Projects

Projects that made the cut - this includes EU funded research projects, paid freelance work and personal passion projects. This excludes code i wrote in the industry: Mainly for Salesforce, DotSource and Vogler Engineering.

DIGICHer
DIGICHer

Visualizes 70 years of research & over €23 billion in funding

2025Research
A scientometric visualization platform analyzing ~35k institutions, and ~20k research projects in cultural heritage. This tool helps pol...
ReactNext.jsDeckGLPostgreSQLNeonVercel
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ELT Pipeline
ELT Pipeline

Analyzed ~500k publications & OCR'ed ~50k PDFs

2024Research
Apache Airflow orchestrated pipeline that extracts data from multiple sources, sanitizes, deduplicates, and unifies them into a coherent...
PythonApache AirflowSQLAlchemyPostgreSQL
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Vykee Integration
Vykee Integration

2 days turnaround

2024Freelance
Integrated the paddle payment system API into vykee in a 2 day sprint, with no prior exposure to the codebase. The timing was critical, ...
TypescriptNext.jsClerkPaddle API
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AIBattleSim
AIBattleSim

3D Reinforcement Learning

2023Personal
Personal passion project and master thesis: Built a small unity 3D FPS environment and teached an AI vision agent to aim (better than me...
PyTorchC#UnityRay/RLlib
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Sous Chef
Sous Chef

44 installs

2023Freelance
VSCode extension that provides LLM-powered coding assistance with direct in-editor code generation and modification capabilities. Featur...
TypeScriptVSCode APIOpenAI API
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EdLey
EdLey
2023Freelance
An educational platform for teaching Python, SQL, data science and more. I help design the courses, issue certificates and assist student...
PythonSQLData ScienceCPPJava
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Java SST Compiler
Java SST Compiler

Simple yet fully functional compiler

2022Personal
A compiler for the SST programming language (a Java subset). As part of a university course, I implemented the lexer, parser, and code g...
Compiler DesignJavaAlgorithmsData Structures
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Flappy Bird AI
Flappy Bird AI

30,000+ YouTube views

2019Personal
Developed an unbeatable AI agent for a custom Flappy Bird implementation using reinforcement learning.
PythonPygameReinforcement Learning
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Contact

Availability
Part-time availability for projects
Response Time
Usually within 24 hours
Location
Based in Germany 🇩🇪
Available globally 🌍