Available for new projects
I build AI systems that businesses really depend on.
I'm Yoosuf Mohamed — systems architect and AI engineer in Colombo. I help startups and enterprises ship LLM/RAG products, AI automation, and full-stack platforms that go beyond the demo and scale reliably.
Products & projects
- Postwire Live Self-hosted email + SMS catcher for dev, CI, and AI agents. Catch OTPs, magic links, and 2FA codes without touching your real inbox. View Postwire
- KeepAI In the works A memory layer for AI. Give agents and assistants durable context that carries across sessions — notes, decisions, and knowledge that actually stick. Coming soon
- Messenger Open source An open-source relational chat schema — one-to-one and group messaging, moderation, device sessions, and attachments for Node.js or Go backends. View Messenger
Recent posts
All posts →-
Jev Returns a Type, Not a String
JEV returns typed values with probabilities instead of text. What that changes for AI model routing: the control plane, the failure modes, the benchmarks.
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SEO Is a Distributed System
How search ranking actually works: the crawl subsystem and its budget, the inverted index, canonicalisation as clustering, and the ranking cascade.
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Answer Engine Optimization Is an Architecture Problem
AEO as systems architecture: the indexing and query planes, chunking as the unit of ranking, why citation is separate from retrieval, and measuring lift.
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Implementing Wizards the Right Way
Building multi-step wizards: Duolingo's one-question onboarding, Stripe Connect's branching, and the anti-patterns that make users quit.
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How to Make an MVP in the AI Era
What an MVP needs now that AI makes building nearly free: the traps to avoid, and why the constraint moved to testing assumptions with real customers.