Articles & Insights

Thoughts on building production systems, scalability, and developer tools.

2026-09-20 • 6 min read

Building ArchLens: A Spring Boot Backend and AI Reviews for a System Design Simulator

How I took an open-source system design simulator and gave it a real backend: auth, rate limiting, credits, saved designs, and AI architecture reviews with Claude and Gemini.

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2026-09-19 • 5 min read

Designing Linky: A URL Shortener Built Around Security

The engineering behind Linky: Base62 short codes, Redis caching and rate limiting, JWT and API-key auth, and the 8 security bugs my tests caught before launch.

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