Each write-up keeps the focus on the problem, architecture, implementation choices, quality evidence, and measurable impact.
Case studies
7
Focus
SE + AI
Proof style
Outcome-led
Built a full-stack Next.js portfolio platform with Supabase backend, admin CMS, GitHub sync, resume variants and Playwright e2e tests.
Implemented ERPNext from scratch for a trading company, replacing manual processes across inventory, finance, procurement and HR workflows.
Built a production M-Pesa Daraja integration with typed APIs, async jobs, retries, webhook validation and transaction audit logs.
Replaced manual Excel invoicing with a custom React + FastAPI dashboard, automated PDFs, WhatsApp notifications and analytics.
Built an end-to-end AI surveillance system with YOLO, OpenCV, Flask inference API and automated alert generation.
Reworked hebatullah.com from static HTML into a CMS-backed site for non-developer content management.
Installed and commissioned switches, wireless access points, cabling and VoIP phone system for company operations.