Case studies

Three things I built, written up the same way each time: the context, the constraint, the decision that mattered, and the result with numbers I can defend.

Case study
The retrieval platform I architected and solo-built at DXWand, the agentic SaaS that grew out of it, and the cost decision that cut spend per conversation by 73% across 840 agents.
September 2, 2026

Auto-RAG and MerlinX: enterprise retrieval for 7 to 10 customers, then the agent layer on top

Case study
A verdict-first career advisor for tech job seekers. Backend, frontend, Chrome extension, billing and infrastructure, end to end, alone, and live at careerrafeeq.com.
September 2, 2026

Career Rafeeq: a paid AI SaaS shipped solo in 14 days

Case study
A conversational analyst for executives, built to impress a boardroom and pass a security review at the same time. The model plans and explains; it never computes a number.
September 2, 2026

An AI analyst whose every number carries a receipt