Senior full-stack engineer and former CTO, based in Bratislava.
- Lead developer of PayNYCFines from the first commit: $5M+ in paid fines a year, New York and Miami.
- Co-founded a software agency and grew it to 30+ people as CTO (50+ projects, incl. several cellular carriers in Ukraine and CEVA).
- Founder of iamanxious.org, a non-profit where people share their worries anonymously (Next.js + Convex).
Most of my work lives in private repos. Portfolio: max.kozachenko.io
Stack: TypeScript, React / Next.js, Node, Postgres, Convex, Kubernetes, Claude Code, Codex, T3 Code



