Case studies that show decisions, tradeoffs, and business value.
Each write-up keeps the focus on the problem, architecture, implementation choices, quality evidence, and measurable impact.
Case studies
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Sufrone Education — ERPNext/Frappe development
Developed bayinah_school and bayinah_bridge custom Frappe apps, extending ERPNext, Education and HRMS with school-specific workflows, permissions, reports and APIs. Source private; hosted demo available.
Computer Vision Surveillance System
Built an end-to-end computer vision research system for real-time object detection, threat classification and alert generation.
M-Pesa Payment Integration Library
Built a production M-Pesa Daraja integration with typed response schemas, retry logic, and webhook validation, processing KES 1M+/month.
ambooka.dev Portfolio Platform
Built ambooka.dev as a full-stack Next.js 16 portfolio platform with Supabase backend, admin CMS, GitHub activity sync and Playwright e2e testing.
Hebatullah ERPNext Implementation
Implemented ERPNext from scratch for a trading company, replacing manual inventory, finance and procurement workflows.