Daan Willems

Hello! I am a software enthusiast and programmer who likes building and understanding systems from scratch. On this page you will find some of the hobby projects I have worked on.

• Blog
• 2025-08-04 Building a database (part 2): Write-ahead logging and compaction
• 2025-08-01 Building a database (part 1): Memory tables and writing to disk
• Projects
• 2D Physics engine in Rust (Projected Gauss-Seidel solver)
• Database implementation in Golang