Developed event-driven microservices for travel data aggregation system in Spring Boot, Kafka and RabbitMQ

Built FastAPI backend for in-house greenfield contact analyser, integrating with MongoDB in Azure CosmosDB

Integrated OpenAI GPT-4o model into backend and refined outputs through strategic prompt engineering

Optimised backend performance by implementing Redis caching and rate limiting using SlowAPI

Created MongoDB aggregation pipelines for real-time analytics

Built frontend in Vue.js and Tailwind CSS, creating analytic dashboard on contact volume and interaction history for taxpayers

Created numerous interactive live dashboard webpages for unified dashboard system in React.js, Material UI and CSS

Maintained and developed backends for unified dashboard system in Node.js and Express

Developed a webscraping script using Puppeteer for automation, significantly reducing bottlenecks in the frontend of the unified dashboard system

Successfully migrated outdated web pages to make them more responsive and user friendly

Maintained and developed computerised maintenance management system written in Next.js and PostgreSQL