Arijit Banerjee

Backend Java Developer

Kolkata, West Bengal 2+ yrs exp 85 · Excellent

About

Backend Java developer with ~2 years of experience across modern and legacy enterprise systems — from building Spring Boot microservices from the ground up to maintaining and debugging hybrid applications (JSP, Tomcat/WAR deployments, Spring Cloud Config) in large-scale production environments. Comfortable bridging classic Java web technologies with modern frameworks, with a growing focus on clean architecture, concurrency, and resilient service design.

Skills & Expertise (34)

Spring Boot Intermediate

7.0/10

Years Exp

Spring Data JPA Intermediate

7.0/10

Years Exp

Microservices Intermediate

7.0/10

Years Exp

RESTful APIs Intermediate

7.0/10

Years Exp

Hibernate Intermediate

6.8/10

Years Exp

Java Intermediate

6.8/10

Years Exp

Spring MVC Intermediate

6.5/10

Years Exp

Spring Cloud Config Intermediate

6.5/10

Years Exp

JUnit Intermediate

6.5/10

Years Exp

Docker Intermediate

6.5/10

Years Exp

Jenkins Intermediate

6.5/10

Years Exp

Mockito Intermediate

6.5/10

Years Exp

Integration Testing Intermediate

6.5/10

Years Exp

MySql Intermediate

6.3/10

Years Exp

Postgresql Intermediate

6.3/10

Years Exp

SQL Intermediate

6.3/10

Years Exp

Performance testing Intermediate

6.0/10

Years Exp

Design Patterns Intermediate

6.0/10

Years Exp

Concurrency Intermediate

6.0/10

Years Exp

Asynchronous programming Intermediate

6.0/10

Years Exp

Postman Intermediate

6.0/10

Years Exp

JMeter Intermediate

6.0/10

Years Exp

IntelliJ Intermediate

6.0/10

Years Exp

SonarQube Intermediate

6.0/10

Years Exp

Jira Intermediate

6.0/10

Years Exp

Git Intermediate

6.0/10

Years Exp

Maven Intermediate

6.0/10

Years Exp

JDBC Intermediate

6.0/10

Years Exp

Spring Security Intermediate

6.0/10

Years Exp

Redis Intermediate

5.5/10

Years Exp

tomcat Intermediate

5.5/10

Years Exp

SLF4J Intermediate

5.5/10

Years Exp

JSP Intermediate

5.0/10

Years Exp

Angular Intermediate

5.0/10

Years Exp

Work Experience

Junior Software Engineer

Cognizant Technology Solutions

Feb 2026 - Present

Maintain and debug a hybrid enterprise application spanning legacy (JSP, WAR deployment to Tomcat, IBM ILOG) and modern (Spring Cloud Config, Hibernate) technology layers. Work with OFSSL for financial calculations and validations within core business logic. Resolve production defects across mixed persistence approaches — legacy JDBC-style mappers (RowMapper, ResultSet) alongside Hibernate ORM — without introducing regressions in a live system. Deliver new feature stories through an Agile/Jira workflow, working directly with business rules logic (ILOG) in a large-scale enterprise codebase.

Junior Software Engineer

Cognizant Technology Solutions

Sep 2024 - Jan 2026

Modernized legacy SOAP services into RESTful microservices using Spring Boot, improving scalability and maintainability. Developed backend modules with Spring Data JPA and optimized query performance. Built unit and integration tests with JUnit & Mockito achieving >80% coverage. Automated builds and quality checks via Jenkins & SonarQube. Applied advanced Java concurrency patterns and circuit breakers (Resilience4j) in service design.

Intern

Cognizant Technology Solutions

Nov 2023 - Jul 2024

Built Java-based web apps using Spring Boot & Hibernate. Strengthened core Java (OOP, collections, exceptions) and full-stack development using Angular. Developed 'BookNest' e-commerce application with authentication, order management, and SLF4J logging.