Senior Full Stack Developer at CUN

Architected and delivered end-to-end full-stack products using Next.js, NestJS, Express.js, and TypeScript, owning design from database schema and API contracts through production deployment. Designed event-driven microservices with gRPC, Kafka, RabbitMQ, and BullMQ for reliable asynchronous processing with retries and horizontal scaling. Built GraphQL (Apollo) and REST APIs with Redis caching and integrated TanStack Query on the frontend to reduce redundant requests and improve performance. Implemented secure authentication using OAuth2, NextAuth, and Passport.js with role-based access control and session/token security best practices. Containerized services with Docker and deployed to Kubernetes on AWS, provisioning infrastructure via Terraform and automating build/test/release with GitHub Actions. Established observability with Datadog, Prometheus, and Grafana to improve incident detection and resolution times.

Senior Software Engineer at NETSOL

Acted as frontend and backend architect for large production projects, designing scalable architectures and delivering secure, high-performance solutions while leading teams and collaborating with stakeholders. Built an AI-integrated radiology platform using OHIF Medical Viewer and OpenAI APIs, improving diagnostic accuracy by 35% and streamlining clinical workflows. Implemented secure NestJS REST APIs, background jobs, and asynchronous workflows with BullMQ and Redis, improving performance by 25% while ensuring reliability and recoverability of long-running tasks. Added real-time collaboration and notifications using WebSockets and Socket.io. Introduced automated testing with Jest, Supertest, and React Testing Library to raise coverage and reduce regressions. Led code reviews, enforced clean architecture and testing practices, and mentored junior developers.