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 →-
How to Release an MVP When Your Product Has Too Many Features
Scoping an MVP for a feature-rich system: cut by actor instead of by feature, ship one vertical slice, defer features without deleting the value, decide the buckets in advance, and make deferral reversible with toggles instead of migrations.
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The Model Won't Ask You Back
Why a thin question becomes a confident wrong answer, which parts of the prompting folklore are already stale, and why it is a writing skill.
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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.