Top Java Developer Jobs in Kolkata

Senior Java backend engineer responsible for middleware development using Java 1.7/J2EE. Build multithreaded, highly scalable, high-throughput, fault-tolerant systems using Core Spring 3.0, Spring Boot, Kafka, RESTful services, and deploy/run on AWS.

Design, build, and maintain backend services and RESTful microservices using Java and Spring Boot. Integrate with front-end teams, optimize performance and security, work with SQL/NoSQL databases, write and test clean code, participate in code reviews, and support deployment and production troubleshooting.

Develop and maintain Java backend services and REST APIs using frameworks like Spring. Build on AWS (S3, DynamoDB, Glue, Kinesis), deploy on Kubernetes, and work with NoSQL datastores. Collaborate on monitoring, CI/CD, and data pipeline integrations.

Develop and maintain Java (8+) web applications using Spring Boot. Design, build, and document customer-facing RESTful APIs. Work with AWS services (SQS, Lambda, DynamoDB, RDS, S3, Kinesis, CloudFormation). Interpret high-level requirements, ask clarifying questions, self-learn, manage time, and deliver across the full development lifecycle to production.

Design and develop backend services using Java, Spring and Spring Boot. Build REST APIs, implement multithreading, deploy on AWS with Docker/Kubernetes. Contribute to test automation, CI/CD, code quality tools, and work in Agile SCRUM teams.

Design, develop, and deploy scalable Java web applications using REST/SOAP, ActiveMQ, Spring/Spring Boot and Struts. Perform database design and SQL tuning, Unix/Linux shell scripting, release and deployment, system-level design, secure development practices, and mentor junior engineers while collaborating across teams.

Design, build, and maintain Java backend microservices using Spring Boot and JPA. Optimize SQL/PostgreSQL queries and stored procedures. Implement CI/CD pipelines, write unit/integration tests, and collaborate in English-speaking agile teams.

Design, implement, and maintain scalable Java backend services and APIs using Spring Boot. Collaborate with cross-functional teams, optimize performance, ensure security, integrate third-party services, write testable code, and maintain documentation.

Design, build, and troubleshoot Java/Spring Boot microservices and APIs; implement event-driven integrations (Kafka/MQ); work with NoSQL and relational databases; package and deploy containerized services on OpenShift using Docker and Helm; support CI/CD pipelines and observability via logs and Grafana; ensure security using OAuth2 and OWASP best practices.

Senior Java developer responsible for designing and building enterprise applications using Core Java, multithreading, Spring Boot microservices, REST APIs, Hibernate, and Oracle PL/SQL. Ensure secure, highly available architectures, follow object-oriented principles, participate in agile teams, communicate with business users, and provide analytical problem-solving in a distributed global environment.

Senior software engineer role in Bangalore requiring 6-9 years experience. Must have Spring Boot and Java expertise and experience with AWS, specifically EKS. UI/front-end experience is a plus.

Develop and maintain backend services using Spring Boot on Java 17+, deploy and operate applications on AWS (EKS). Collaborate with teams; familiarity with UI work is a plus.

Design, build, and maintain Java Spring Boot microservices and APIs; write automated unit tests; troubleshoot and optimize performance; collaborate with architects, front-end developers, and product owners; participate in Agile ceremonies; produce technical documentation and perform peer code reviews; support deployments and CI/CD processes.

Backend developer role building and maintaining Java-based services using Spring, REST, and JPA. Work includes Oracle PL/SQL, messaging (ActiveMQ), caching (Redis), SOAP/WSDL, FileNet integration, CI/CD and automation (Jenkins, Ansible), containerization (Docker, Kubernetes), API gateway (Gravitee), Linux scripting, and collaborating with front-end frameworks (Angular/Vue).

Lead and produce high-quality, maintainable code across the full development lifecycle. Design and build microservices and high-throughput, low-latency systems, modernize legacy systems, implement CI/CD and cloud infrastructure (preferably Azure), mentor teams, and drive architecture, automation, and best engineering practices.

Design, develop, test, and maintain Java Spring Boot microservices. Collaborate with architects, product owners, and front-end developers to define APIs, implement features, write automated tests, debug and optimize performance, participate in Agile ceremonies, perform code reviews, and maintain technical documentation.

Backend-focused Staff Software Engineer responsible for designing and building Java/Spring Boot microservices on GCP (GKE), working with Cloud Spanner and Kafka, optimizing SQL/PL/SQL, implementing CI/CD with GitHub Actions/Argo CD, ensuring performance and reliability, and mentoring frontend engineers.

Lead design, development, and operational excellence for high-throughput microservices on Azure. Own incident response, observability, CI/CD, and modernization of legacy systems. Mentor teams, drive architecture, and ensure scalable, secure, and highly available production systems.

Design, develop, and maintain Java/J2EE and Node.js applications in a Scrum environment. Build Spring-based services, REST/SOAP APIs, and ORM integrations. Work with NoSQL (preferably DynamoDB) and data architecture. Implement front-end features using JavaScript/TypeScript/CSS/HTML and browser dev tools. Develop and consume API services and contribute to event-driven architecture (KAD/KMP).

Designs and implements full-stack applications using Core Java (8+), Spring and Hibernate; builds RESTful microservices and web GUIs (React/Angular). Uses CI/CD (Maven, Git, Jenkins), TDD/BDD (JUnit), coordinates testing, deployment, and production stability.

Design and build greenfield backend applications using Java (17/21/25) and Spring Boot. Develop REST APIs, Spring Data JPA, and Spring Batch workflows. Apply Clean/Hexagonal architecture and CQRS patterns, drive performance engineering, and integrate CI/CD pipelines. Support deployments and cloud/Kubernetes readiness on Azure/AWS.

Develop and maintain full-stack applications using Java backend and Angular frontend, deploy and operate services on AWS, collaborate with cross-functional teams, and deliver scalable, high-quality software solutions.

Design, develop, and maintain full-stack web applications using Java backend and React/TypeScript frontend. Implement state management with Redux, build reusable components, write automated tests with Playwright, support CI/CD pipelines, and contribute to cloud deployments on AWS or Azure while collaborating with product, UX, and QA teams.

Design, build, and maintain scalable Java Spring Boot microservices on GCP; develop RESTful APIs, implement CI/CD, optimize performance, ensure security, monitor production, and collaborate with cross-functional teams.

Design, build, test and maintain Java-based microservices on AWS. Implement automated tests, collaborate on architecture and CI/CD, optimize performance, and deliver end-to-end features with cross-functional teams.