• Developed and maintained full-stack web applications using Angular, NestJS, TypeScript, and PostgreSQL. • Built complex frontend features, reusable components, forms, dashboards, and shared application modules. • Designed and implemented backend services, REST and GraphQL APIs, and database integrations. • Worked with real-time communication, asynchronous processing, file storage, and external service integrations. • Improved application performance, database access, and overall code maintainability