Independent software consultant based in California. Web and mobile applications for teams that need a senior engineer without the full-time hire.https://blog.bustamam.tech/https://blog.bustamam.tech/writing/ai-literacy-not-competition/https://blog.bustamam.tech/writing/ai-literacy-not-competition/You don't need to master AI. You need to know how to use it — and how to tell when it's wrong.Wed, 06 May 2026 00:00:00 GMThttps://blog.bustamam.tech/writing/url-shortener-phase-3-rate-limiting/https://blog.bustamam.tech/writing/url-shortener-phase-3-rate-limiting/Phase 3 of Systems Design in Practice: picking a rate limiting algorithm, implementing sliding window with Redis, and why the choice actually matters.Wed, 06 May 2026 00:00:00 GMThttps://blog.bustamam.tech/writing/url-shortener-phase-1-baseline/https://blog.bustamam.tech/writing/url-shortener-phase-1-baseline/Phase 1 of Systems Design in Practice: a Hono + Postgres URL shortener with two endpoints, Swagger UI, and a baseline latency measurement you'll reference for every phase that follows.Wed, 04 Mar 2026 00:00:00 GMThttps://blog.bustamam.tech/writing/url-shortener-phase-2-redis/https://blog.bustamam.tech/writing/url-shortener-phase-2-redis/Phase 2 of Systems Design in PracticeWed, 18 Mar 2026 00:00:00 GMT