Sumit Kumar Das

Background

About Sumit Kumar Das

Senior Full Stack Developer (MERN)| Team Lead | Scalable Web & SaaS SpecialistResults-driven Full Stack Developer with 2+ years of hands-on experience building high-performance, scalable web applications using React.js, Next.js, Node.js, Express.js, MongoDB, and SQL. Currently working as a Team Lead – Software Developer, where I design end-to-end solutions, mentor developers, and deliver production-ready systems used by active users.I specialize in: Building clean, maintainable, and scalable architectures Creating pixel-perfect, responsive UIs with excellent UX Designing and integrating secure, well-structured REST APIs Optimizing performance, reducing load time, and improving system reliability🧠 Applying OOP, MVC principles, and modern state management (Redux Toolkit, Zustand)I have strong experience working on Enterprise SaaS platforms, job portals, booking systems, and admin dashboards, along with real-world exposure to Docker, AWS EC2, Nginx, Redis, Linux environments, and production deployments. I’m comfortable collaborating with cross-functional teams, conducting code reviews, and guiding interns to improve overall engineering quality.I enjoy solving real problems, writing meaningful code, and continuously improving my skills. I believe in ownership, consistency, and long-term impact, not just shipping features. Open to challenging opportunities where I can build, scale, and lead impactful products.Tech Stack:#JavaScript #TypeScript #ReactJS #NextJS #NodeJS #ExpressJS #MongoDB #SQL #Docker #AWS #ReduxToolkit #Zustand #RESTAPI #Linux #FullStackDeveloper