Hello, I'm
CHINONSO OKEBUGWU
>
Backend-focused full-stack engineer with 5+ years of experience building and operating fintech, payment, lending, wallet, CRM, and e-commerce systems. I own API design, payment integrations, cloud deployment, security, production troubleshooting, and performance optimization.
Skills
Technologies and tools I've worked with across backend, frontend, databases, and cloud infrastructure.
Languages & frameworks
Data & cloud
Delivery & operations
Fintech & payments
// the likes are real — endorse away
Experience
5+ years building and operating fintech, payment, lending, wallet, CRM, and e-commerce systems across backend, full-stack, cloud, and production environments.
East Atlantic TelecommunicationsSep 2025 – Jun 2026
Backend Developer
Lagos, Nigeria
- Integrated Paystack, Flutterwave, MTN MoMo, and Airtel Money through a consistent, extensible payment-module architecture.
- Delivered B2C loan and wallet capabilities, including admin wallet integration, repayment workflows, and reminder logic.
- Implemented regional KYC flows using BVN/QoreID for Nigeria, NIN/NIRA for Uganda, and AWS Rekognition for identity-document checks.
- Strengthened platform security with role-based access control, permission factories, access controls, and SSL-secured Amazon RDS connectivity for NestJS and TypeORM.
- Produced multi-region API documentation for staging and production and supported compliance coordination.
Smartrob TechnologyMar 2025 – Nov 2025
Senior Full-Stack Developer
Lagos, Nigeria
- Architected and operated Node.js/Express applications on AWS Lightsail with Nginx, HTTPS, multi-application routing, PM2 process management, log rotation, and zero-downtime restarts.
- Implemented an auto-debit service and loan repayment API; repaired wallet withdrawals and improved transaction reliability.
- Built deployment automation with GitHub Actions, environment variables, secure SSH access, and remote server workflows.
- Resolved production issues spanning port conflicts, Nginx bindings, Bitnami paths, missing dependencies, PostgreSQL backup/restore conflicts, and Puppeteer/Chromium libraries.
- Developed Next.js and Tailwind CSS interfaces, including an upload-preview-pay-download flow backed by Amazon S3.
- Built cloud messaging and authentication flows with AWS SNS, SQS, DynamoDB, and Cognito OAuth.
Intelligent InnovationsOct 2023 – Jan 2025
Backend Developer
Lagos, Nigeria
- Designed, developed, and maintained scalable backend services and APIs using Node.js and Python.
- Partnered with cross-functional teams on feature definition, architecture, implementation, and release.
- Improved backend performance, security, data protection, reliability, and maintainability through debugging and optimization.
- Conducted code reviews, provided constructive feedback, and contributed to stronger engineering workflows and practices.
Simple Finance NigeriaJun 2021 – Jul 2023
Backend Developer
Lagos, Nigeria
- Built and maintained the backend for a finance web platform and mobile application using Python and Django REST Framework.
- Designed shared objectives and integrated backend services with frontend applications to improve the end-user experience.
- Deployed backend updates and expanded application capabilities in response to changing user needs.
- Monitored server logs, diagnosed faults, and resolved production issues to maintain reliable service.
Teflonhub LimitedSep 2021 – Sep 2022
Backend Developer
Lagos, Nigeria
- Developed and maintained backend and frontend components for Bemaswitch using Node.js and Angular.
- Designed APIs and integrated Flutterwave, Paystack, Interswitch, and CoralPay payment gateways.
- Owned application deployment on Heroku and resolved defects across frontend and backend services.
- Collaborated with designers to deliver responsive, mobile-optimized interfaces and complete features from concept to release.
386konsult LimitedSep 2020 – Sep 2021
Software Developer
Lagos, Nigeria
- Developed internal and external backend applications and contributed to API architecture and implementation.
- Wrote clean, maintainable code and troubleshot software defects and operational issues.
- Installed and administered Linux servers and provided software installation and IT support.
Education
A formal foundation in computer science, strengthened by more than five years of hands-on software engineering experience.
Babcock University, Ilishan Remo
Degree in Computer Science
Computer Science
Get in Touch
Have a backend, fintech, payment, cloud, or full-stack project in mind? Let's talk.