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Matheus

I build systems and write about the work behind them.

This is my space to share what I am working on, what I am learning, and the projects that shaped my thinking.

Blog essays

2/19/2026 Recursos para aprender programação do zero Recursos gratuitos que eu recomendo para quem quer começar a programar, com foco no canal Curso em Vídeo do Professor Guanabara. Read → 2/19/2026 Resources to learn programming from scratch Free resources I recommend for learning programming and computer science, from first steps to deep fundamentals. Read →

Field notes

2/18/2026 KeePassXC SSH agent: signing fails while authentication works ssh 1/16/2026 Fix librocksdb-sys build on macOS by installing RocksDB rust

Projects

Creator Fala Speech-first assistant suite for knowledge workers with recording, transcription, and knowledge base management. Case study → Creator VarveDB Open-source, embedded append-only event store for Rust with zero-copy reads and 1M+ events/sec batch writes (benchmarked). Case study →