Ramanjan Banerjee
Java Developer
About
Java Engineer with 3.5+ years of experience designing and delivering secure, scalable, and high-performance web applications using Java, Spring Boot. Strong expertise in object-oriented design, microservices architecture, RESTful services, unit testing, CI/CD, and Agile development. Proven ability to analyze system metrics, troubleshoot production issues, and deliver enterprise-grade features with strong ownership and collaboration.
Skills & Expertise (29)
Work Experience
System Engineer
Infosys Limited
Nov 2022 - Present
Actively contributed to the stability of 6 Spring Boot microservices by performing root-cause analysis on production logs and debugging Java code to identify logic flaws. Written and optimized SQL queries (PostgreSQL/MySQL) to validate data integrity and assisted the development team in identifying performance bottlenecks in high-traffic tables. Transitioned from manual testing to building automated validation scripts using Core Java, improving regression testing efficiency by 40%. Participated in technical code reviews and LLD (Low-Level Design) discussions, ensuring that business logic aligned with functional requirements and secure coding practices. Collaborated with developers to validate 25+ RESTful APIs and monitored Kafka consumer groups to ensure successful event-driven data processing across distributed systems. Gained hands-on experience with Docker and Jenkins pipelines to deploy application builds into QA and Staging environments, ensuring smooth release cycles. Worked within an Agile Scrum team, bridging the gap between QA and Dev by translating complex technical bugs into actionable development tasks.
Education
Bachelor of Technology - Netaji Subhash Engineering College
2018 - 2022 · Afghanistan
Certifications
No certifications added yet
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Availability Details
Visa Status
Citizen
Relocation
Open to Relocation
Skills (29)
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