$ whoami
// Principal Software Engineer
I build agent harnesses and developer tools. Creator of gac (125k+ downloads). Principal engineer working on Code Puppy, an open-source AI coding agent.
I've spent about 15 years across data science, analytics engineering, and software engineering. I'm currently a Principal Software Engineer at Walmart Global Tech, where I work on Code Puppy, an open-source AI coding agent — agent harness engineering: tools, evals, and the plumbing that makes coding agents reliable. Before that I was co-founder and CTO of a health-tech AI studio, and earlier I spent roughly seven years at DNV building energy-data systems. I hold an MS in Applied Statistics from DePaul University.
Code Puppy team. Joined the core team after six months as an outside contributor — #1 by merged PRs (37). Recent work includes internationalization and rebuilding browser automation from pixel-clicking to semantic locators.
Built TransplantAI, a research-stage clinical decision-support system that reached 99.5% accuracy in offline evaluation.
Energy-efficiency data systems processing billions of dollars in utility rebates; machine-learning fraud detection. Progressed from business analyst to senior data scientist over seven years.
Earlier: data analyst at Elevate Energy (self-taught Python); research intern at Chicago Public Schools.
Education: MS Applied Statistics, DePaul University (2012) · BS, Rochester College (2010).
LLM-powered git commit message CLI supporting 35+ providers. 300+ stars, 125k+ PyPI downloads, 95% test coverage, docs in 16 languages.
Open-source AI coding agent CLI (500k+ downloads) — an agentic alternative to Cursor/Windsurf. Top external contributor turned core team member.
AI career coach: oral-history interview → tailored LaTeX→PDF resumes → interview prep. Multi-user, invite-gated, live — built end-to-end solo.
AI changelog automation SaaS — a GitHub App that turns commits and PRs into release notes. Live.
Full-stack dashboard aggregating trending GitHub repos, PyPI packages, and Dev.to articles — ranked and refreshed weekly. Live.
Model-agnostic agentic coding CLI with MCP support, subagents, and slash commands.
Python (expert) · SQL · PySpark
FastAPI · PydanticAI · LlamaIndex · scikit-learn · vector search
PostgreSQL · SQLite · Redis · Docker · GitHub Actions · PyPI publishing · AWS · Azure · Fly.io