Eshan Banerjee

Background

About Eshan Banerjee

Experienced Software Engineer with 8 years of hands-on expertise in building robust backend systems and scalable full-stack web applications. Currently working at Qualys as a Senior Software Engineer, I specialize in Java, Spring Boot, PHP and microservices architecture, while also delivering modern, responsive frontend solutions using React and Redux. At Qualys and Cognizant, I’ve delivered major performance improvements—optimizing dashboard load times, accelerating report execution, and enhancing backend efficiency through caching, query optimization, and API design. I’ve also integrated cloud services to support large data workflows and cloud-native deployments. Skilled in diagnosing production issues, driving root-cause resolution, and mentoring junior developers on clean code, architecture, and engineering best practices. Tech Stack: Java, Spring Boot, PHP, React, Azure, AWS, Redis, Oracle, PostgreSQL, Docker, Kubernetes Always learning. Currently exploring advanced cloud-native patterns and system design.