Top Java Developer Jobs in Kolkata

Lead Java Engineer responsible for designing and building greenfield applications using modern Java (17/21/25) and Spring Boot ecosystem (Data JPA, Web, Batch). Apply Clean/Hexagonal/CQRS patterns, optimize performance, and work with CI/CD (Jenkins/Azure Pipelines/GitHub Actions). Familiarity with Kubernetes, load balancing, and cloud platforms (Azure/AWS) for deployments.

As a Senior Software Developer at STChealth, you will develop, test, and deploy applications, enhancing healthcare data management and analytics.

Design, develop, and maintain server-side components and APIs for scalable web applications. Manage relational/NoSQL databases, integrate third-party APIs, implement security best practices, optimize performance, collaborate with front-end and QA, use Git, and produce documentation.

Develop and maintain Java Spring Boot microservices, write reusable and fault-tolerant code, implement APIs, create automated tests, optimize performance, collaborate with architects, front-end, and product owners, participate in Agile ceremonies, and maintain technical documentation.

Design, build, and maintain Java Spring-based microservices for scalable, secure financial systems. Implement REST APIs, event-driven processing (Kafka), containerized deployments (Docker/Kubernetes), CI/CD, observability, and code quality practices while collaborating in agile teams and leveraging AI-assisted tools.

Design and build scalable Spring Boot microservices, write automated tests, debug and optimize performance, collaborate with architects, front-end and product owners, participate in Agile ceremonies, document designs, perform peer reviews, and support deployments.

Seeking a Software Engineer in Bangalore with 6-9 years' experience in Core Java, Spring Boot and AWS. Node.js and serverless development skills are nice-to-have.

Develop and maintain backend services using Java and Spring Boot, design and implement REST APIs, work with Aerospike as a data store, and support integrations with PL/SQL. Collaborate on deployments and operations (Kubernetes) and optionally contribute to Angular/JavaScript front-end work. AWS experience is beneficial.

Senior Java Developer responsible for backend development using Java and Spring Boot, with at least one year of DevOps experience and basic Unix and infrastructure/DevOps knowledge.

Lead development using Java/J2EE and modern frameworks (Spring, Microservices, WebFlux). Design solutions, write performant code, perform unit testing (JUnit/Mockito), conduct peer reviews, build POCs, and collaborate with onsite teams in Agile ceremonies. Work involves Kafka, cloud platforms (PCF/Azure), NoSQL, CI/CD and code-quality tooling.

Design, implement, and maintain RESTful APIs and microservices using Java and Spring Boot. Build event-driven integrations with Kafka/Kinesis, deploy and operate services on AWS, follow Agile processes, and use test automation. Familiarity with DevOps, frontend frameworks (Angular/Node.js), and observability tools is a plus.

Senior Java developer responsible for designing, implementing, testing, deploying and supporting high-performance Java applications. Work across full development lifecycle, focusing on multithreading, REST APIs, Spring/Hibernate, and Oracle PL/SQL in an Agile, distributed team while communicating with business users.

Design and build enterprise-scale web applications and scalable microservices using Java backend and Angular/React frontend. Develop and consume RESTful APIs, integrate databases and messaging, ensure API security (OAuth2/JWT), support CI/CD and containerized deployments, perform API testing, collaborate in Agile teams, and maintain code quality through reviews and testing.

Develop, design, and maintain Java applications and microservices using Spring Boot and WebFlux. Build RESTful APIs, integrate with Kafka, write unit tests, participate in code reviews, troubleshoot issues, and stay current with Java technologies.

Design, develop and maintain scalable Java Spring Boot backends and responsive Angular UIs. Write optimized SQL, deploy to cloud platforms (AWS/Azure/GCP), ensure code quality, performance and security, troubleshoot issues, and collaborate with cross-functional teams. Support test automation, CI/CD, and microservices practices as needed.

Design, develop and maintain Java Spring Boot microservices; write tests and API validations; troubleshoot and optimize performance; collaborate with architects, frontend and product teams; participate in agile ceremonies, code reviews, deployments, and maintain technical documentation.

Senior full-stack engineer responsible for designing, developing, and maintaining Java and Node.js applications and APIs. Build scalable, resilient microservices and cloud solutions (AWS), implement front-end features (JavaScript/TypeScript/HTML/CSS), apply DevOps/CI-CD practices, and mentor junior engineers. Contribute to testing, API documentation, and performance/security tooling.

Design and develop Java/J2EE applications using Core Java, Servlets/JSP, Spring Boot and REST services. Implement multithreaded logic, database interactions (SQL/Oracle, ORM), messaging (ActiveMQ), and basic Unix/shell scripting. Collaborate in agile teams and communicate effectively; cloud, scheduling, UI, and financial domain exposure are beneficial.

Senior Java engineer responsible for middleware development of multithreaded, highly scalable, high-throughput, fault-tolerant systems. Use Core Spring 3.0, Spring Boot, and REST services to build cloud-native applications on AWS. Kafka experience is a plus.

Design, develop, and deploy scalable Java-based microservices and RESTful APIs. Build and manage CI/CD pipelines, collaborate with cross-functional teams, and adopt cloud and container technologies to deliver robust applications.

Develop, design, and maintain scalable RESTful APIs and microservices using Java and Spring Boot. Integrate with databases, third-party services, and cloud platforms, ensure security (OAuth2/JWT/OpenID), optimize performance, participate in code reviews and Agile processes, and collaborate with cross-functional teams.

Design, build, and maintain scalable Java backend services and APIs (Spring Boot). Collaborate with cross-functional teams, optimize performance, ensure security, troubleshoot issues, integrate third-party services, and maintain documentation.

Senior Java Engineer working with Java 21 and SpringBoot to build microservices. Requires multithreading and data structures knowledge, testing with JUnit/Cucumber, database experience (Postgres/Oracle), CI/CD skills (Maven, Jenkins, Nexus, Kubernetes, GitHub), and Agile methodology. Optional: GWT, Angular 15+, Docker, Kubernetes, Jenkins CI/CD, and Azure experience.

Full-stack Java engineer responsible for API development in multi-layer architectures using Java and Spring, web services and messaging. Design and develop database schemas and write SQL/PLSQL in Oracle. Work with UI frameworks (Angular preferred), use Git and branching strategies, resolve cross-technology technical issues, and manage multiple tasks with strong analytical, communication, and organizational skills.

Senior Java developer responsible for designing and building high-availability enterprise applications and REST APIs using Spring Boot and Hibernate, implementing multithreading and security best practices, working with Oracle PL/SQL, and collaborating in an Agile distributed team.