Ekene Obeta

Fullstack engineer with 5+ years building high-performance APIs, microservices, and payment infrastructure at scale, alongside modern React/Next.js frontends. Delivered a 50% reduction in deployment time, a 40% improvement in database query performance, and zero critical production bugs across multiproduct ecosystems. Hands-on with Node.js, TypeScript, Fastify, NestJS, React.js, Next.js, and PostgreSQL, with production experience integrating payment gateways, verifying webhooks, and building geofencing and ACID-compliant transaction flows.

Also builds independently with LLMs — architected a locally-run AI CLI tool from scratch.

Backend Engineer at Nubia Mega Tech (2024-07 – Present)

• Orchestrated the Node.js backend infrastructure for 6 user-facing products, delivering reliable API uptime and sub-second response times across a multi-platform ecosystem.
• Built and maintained an API Gateway, a fleet-owner API, and a payment microservice using Fastify, handling authentication, routing, and payment processing across the product ecosystem.
• Cut production deployment time by 50% by designing and implementing automated CI/CD pipelines with GitHub Actions.
• Improved MongoDB query performance by ~40% through cursor-based pagination, atomic transactions, and strategic indexing on large datasets.
• Implemented geofencing algorithms in TypeScript using MongoDB 2dsphere indexes, enabling sub-second location-based dispatch results for vendor aggregation workflows.
• Partnered with frontend (React.js) and QA teams to achieve a 99% test pass rate, resulting in zero critical production bugs post-deployment.

Backend Engineer (Contract) at Machinerry (2024-10 – 2025-02)

• Integrated the Paystack payment gateway with secure webhook verification and robust error handling, achieving 100% data integrity across all transaction attempts.
• Built a transaction-heavy e-commerce backend API using Express with full ACID compliance, ensuring 100% inventory accuracy across concurrent order requests.
• Automated deployment workflows with GitHub Actions and DigitalOcean, eliminating manual deployment errors entirely.
• Diagnosed and resolved critical server configuration issues within 4 hours, restoring system stability ahead of production launch.

Backend Engineer at Achota (2021-11 – 2024-01)

• Engineered high-performance RESTful APIs in Node.js and MongoDB, reducing average API response time to under 50ms and improving frontend load performance by 30%.
• Designed complex MongoDB schemas that eliminated data redundancy and enforced consistency across the full application data layer.
• Integrated 3+ third-party APIs, expanding product capabilities and reducing internal feature development time by ~25%.
• Built responsive, data-driven dashboards using React.js and Chakra UI with real-time backend sync via Redux state management.
• Implemented JWT authentication across 10+ endpoints and engineered normalized schemas in MySQL and MongoDB, reducing redundancy by ~30%.

Frontend Developer (Intern) at Coinkudi (2020-10 – 2021-11)

• Built a high-performance marketing landing page with JavaScript and Bootstrap, optimizing static assets to achieve sub-2-second load times.
• Refactored legacy CSS into modular, reusable classes, achieving 100% cross-browser compatibility and improving mobile UX through mobile-first design principles.

BS in Computer Science – Miva Open University (2024-09)

B.Agric in Soil Science – Federal University of Technology, Owerri (2014-09 – 2019-09)