case studies
Backend systems, APIs, and tools. Each one written up as a case study.
An event photo platform where attendees scan their face once and get back only the photos they're in, built on RetinaFace detection, ArcFace embeddings, and an async Celery pipeline that processes uploads at scale.
A virtual-account payment collection platform built on Nomba's APIs, with automatic per-customer reconciliation, calendar-correct recurring billing, and a developer API the dashboard itself runs on.
A priority-queue job scheduler with DAG workflows, retry backoff, a dead letter queue, and real-time updates, with no Celery and no external broker.
A full ecommerce platform built for a real client: two café and bakery brands running on shared infrastructure, with a custom image service, async order processing, and a production Docker deployment.
A production-ready wallet backend with Paystack deposits, internal transfers, and a dual authentication system supporting both user sessions and scoped API keys.
Supplier onboarding, verification, and operations backend for a food commerce platform, designed from scratch as an independent microservice supporting 500+ suppliers in pilot.
A Telex integration that converts any blog URL into a Twitter thread and LinkedIn post using Google Gemini, built to the JSON-RPC 2.0 protocol specification.
A multi-vendor ecommerce backend where each vendor operates an independent store, with a custom image service, scoped permissions, and APIs designed to support web and mobile frontends.