Sayan Sarkar

Senior Software Engineer & AI Researcher

Berlin, Germany

I build software systems and work on AI problems. I've done research on inverse reinforcement learning, built production systems handling real-time data, and led engineering teams at early-stage companies.

Selected Work

Cybersecurity Platform

Frontend architecture for security data pipelines platform. Built from scratch, scaled the team.

AI Research

Research on inverse reinforcement learning and agent behavior in partially embedded systems. Published work on wireheading in AI safety before LLMs were mainstream.

Open Source

Maintain ~100 packages in the nixpkgs ecosystem.

Technical Background

Languages: TypeScript, Python, Nix, Emacs Lisp, Elixir, Elm
AI/ML: PyTorch, TensorFlow, RLHF, LLM finetuning, AI alignment
Mathematics: Abstract algebra, probability theory, reinforcement learning theory
Systems: Functional programming, real-time data processing