usha
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Projects

A selection of projects I've worked on, showcasing my expertise in backend development, system architecture, and database optimization.

Featured Projects

Government Payment Platform

A high-performance payment disbursement system integrated with Central Bank of Nigeria APIs. Features real-time transactions, 3x performance improvement through PostgreSQL optimization, and secure API integrations.

NestJS
PostgreSQL
Redis
AWS
Docker
Healthcare Management System

REST APIs and laboratory module powering 200+ hospitals. Includes dynamic form builder service and secure payment integrations with internal and third-party gateways.

Node.js
TypeScript
PostgreSQL
GitHub Actions
PSSP Admin Service

Payment Service Provider admin platform with 2FA authentication, IP whitelisting, private/public key management, and webhook integrations with Interswitch and Remita.

Java
Spring Boot
PostgreSQL
Redis

Other Projects

Real-time Chat System

Full-stack real-time messaging application with Node.js backend and React frontend. Features include instant messaging, presence indicators, and message history.

Node.js
React
Socket.io
MongoDB
CI/CD Pipeline Automation

Automated deployment pipelines using GitHub Actions, reducing release time by 50%. Includes Docker containerization and AWS deployment configurations.

GitHub Actions
Docker
AWS ECS
Shell

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