Adeyanju Kolawole

Built and shipped backend features for a cloud-based task management platform used by 20,000+ monthly users, improving request response time by 28% through query optimization and caching. Reduced production bugs by 35% by writing unit and integration tests with Jest and enforcing code reviews via GitHub Pull Requests. Set up Dockerized environments and CI/CD pipelines, reducing deployment time by 40%. Enhanced application reliability by implementing monitoring and alerting via Prometheus and Grafana. Optimized database schema and indexing strategy, reducing peak-time query latency and enabling scalable performance.

Developed and shipped a scalable full-stack e-commerce platform using React, Tailwind CSS, Node.js, and PostgreSQL. Built secure backend REST APIs with Express and integrated Redis for optimized data caching.

Developed frontend components for a web dashboard using React and TypeScript, increasing user task completion rate by 22% after UI improvements. Integrated frontend features with backend APIs, reducing data loading time by 30% through optimized state management and API batching. Implemented authentication and role-based access control using JWT, improving security and session reliability. Fixed high-priority bugs and refactored legacy code, reducing application crash by 40%.