Full-Stack Data Scientist | Staff Research Engineer
I build and deploy production-ready data and AI systems, combining analytics, optimization, and reliable software engineering. I focus on solving complex problems at scale with accuracy and maintainability.
- Production AI systems and tool-using agents
- Optimization, simulation, and causal analysis
- High-performance data pipelines and open-source Julia tooling
- Cloud deployment on Azure and AWS
- Languages: Julia, Rust, JavaScript/TypeScript, Python, SQL, R
- Expertise: Optimization · Simulation & modeling · Causal inference · Numerical methods · Data engineering
- Tools: Git · GitHub Actions · Docker · WASM
- CheckMate.jl — data validation & integrity rules
- TerraStat.jl — geospatial labor & economic data tooling
- PlutoDataTable.jl — interactive tables for Pluto.jl
- CurrentPopulationSurvey.jl — high-performance Census/BLS microdata parsing
Portfolio: http://matthelm.pro

