Nnaemezie Okeke

Built Python REST/microservice payment integrations with third-party providers, engineered a dynamic FastAPI routing service for live gateway switching, and re-engineered the core payments framework with Celery background jobs and real-time event tracking. Delivered a Django-based analytics dashboard and owned frontend delivery in React/Redux for customer-facing transfer flows.

Built a Rails-based wallet management system, designed a central authentication service using Devise with JWT and role-based access control, architected PostgreSQL schemas via Django ORM, and resolved performance bottlenecks with Redis caching and algorithmic optimization.

Re-architected Celery task infrastructure for a high-throughput Django microservice, built a real-time deduplication gate, hardened LLM-powered recommendation service against prompt injection, cut CI/CD pipeline time by 60%, led a security hardening audit, resolved a production data-integrity defect, rebuilt a customer-facing backlinks CSV export, instrumented distributed tracing with OpenTelemetr

Independent full-stack contracting for e-commerce and small-business clients, delivering payment-enabled web platforms end to end. Built e-commerce platforms with product management and hardened checkout and payment flows, designed flexible payment processing across multiple providers, and established unit, integration, and system testing on client projects.

Bachelor of Science in Computer Engineering from Nnamdi Azikiwe University, completed in 2018.

Kubernetes and Cloud Native Associate (KCNA) certification from the Cloud Native Computing Foundation.

Full Stack Nanodegree from Udacity.