Nabendu Biswas is a seasoned Full Stack JavaScript Developer and Senior Software Engineer with over 21 years of IT experience across global investment banks, product companies, and startups. Over the last decade, he has developed expertise in the React ecosystem, delivering scalable, high-performance web applications across domains such as finance, retail, AI, and education technology.
Nabendu’s career includes senior roles such as Architect, Team Lead, and Associate Architect, where he successfully led UI teams, drove micro-frontend architectures, and guided complex enterprise-scale applications. His most recent assignments include working as a Senior Full Stack Developer on critical projects or Iris idea, where he modernized large-scale React and Node.js codebases, optimized performance, and eliminated security vulnerabilities.
About the Technical Reviewer
Gaurav Patel is a Senior Software Engineer with over eight years of experience developing and maintaining projects of varying complexity to enhance efficiency and capabilities. He has strong expertise in web technologies and frameworks, including JavaScript, AngularJS (2–6), ReactJS, Redux, jQuery, NodeJS, ExpressJS, and Spring Boot. Gaurav has extensive experience in building Ajax-driven web applications, implementing Web Services, and creating responsive UIs. His technical proficiency also spans MySQL, NoSQL, HTML5, CSS3, Docker, Kubernetes, GitLab, .NET, Python, AWS, and CI/CD pipelines.
Sunil S is a seasoned Frontend Developer with nine years of experience designing and building user-centric, high-performance web applications. Currently, a Senior Frontend Developer at Reltio, he specializes in ReactJS, NextJS, Material UI, TypeScript, and JavaScript. Sunil also has backend experience with NodeJS and Express, enabling him to deliver seamless end-to-end solutions. His professional interests include micro-frontend architecture, modular and scalable application design, and performance optimization. Recognized for his problem-solving ability and collaborative approach, Sunil emphasizes writing clean, maintainable codes, and applies strong testing practices using Jest, React Testing Library, and Playwright.
Anjani Kumar Varma is an Associate at Cognizant Technology Solutions with four years of experience developing scalable, React-based applications for a leading retail client. Skilled in React, Redux, Jest, React Testing Library, and Module Federation, he focuses on performance optimization through lazy loading, tree shaking, and memory leak prevention. As part of Cognizant’s core governance team, Anjani has implemented initiatives such as pre-commit hooks for optional chaining, automated removal of console logs in production, and improved Webpack configurations. He actively conducts knowledge-sharing sessions on unit testing, and has implemented Adobe tagging as well as Quantum Metrics, enabling advanced analytics and behavioral insights.