Senior software developer on a freelance / consulting basis, usually on the backend / server side of cloud / web applications with real business impact.

• Go since 2011
• C# since 2002
• Scheme since 2024 — Haskell in 2017 - 2018 — TypeScript + NodeJS since 2017 — Python in 2011 — Common Lisp in 2008 — Java & PHP in 2001 — HTML / CSS / JS & SQL since 2000 — Object Pascal, Visual Basic from 1998 - 2001