Francis Sunday
Hi šš¾ I'm Francis, a software engineer with a passion for building amazing products and systems. I've built financial systems, compliance workflows, monitoring tools, and developer tools. I work primarily with Go and Haskell, and I'm deeply interested in distributed systems, databases, and functional programming.
Feel free to read about myself, look at my posts, or work with me.
Writing
Bounded Execution for AI Coding Agents
January 9, 2026
Idiomatic Haskell Refactors
October 19, 2025
Parsing, Not Guessing
June 14, 2025
import "reflect"
June 10, 2025
Maps Don't Shrink in Go
May 27, 2025