Top Java Developer Jobs in Kolkata

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.

Full Stack Java Developer role based in Bengaluru. Specific responsibilities and qualifications are not provided in the job description.

Develop, test, and deploy high-performance, scalable Java applications (Java 17/21) using Spring Boot 3.3. Design RESTful APIs, implement streaming data and message-bus architectures for real-time processing, ensure reliability and performance, collaborate with cross-functional teams, write maintainable code, and troubleshoot complex issues.

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.

Develop and maintain Java/J2EE applications using Spring ecosystem. Build REST/SOAP services, implement thread-safe concurrent code, integrate messaging (Kafka/ActiveMQ), work with RDBMS, CI/CD and app servers.

Design, develop, and maintain Java Spring Boot back-end and Angular front-end applications; build and consume APIs; write SQL for Oracle/MS SQL; deploy to AWS/Azure; implement secure development practices, DevOps automation and CI/CD; collaborate with remote international teams.

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 Java Spring Boot microservices; implement reactive (Mono/Flux) patterns; write unit tests; integrate APIs with front-end; collaborate with architects, product owners, and cross-functional teams; perform debugging, performance tuning, code reviews, and technical documentation in an Agile environment.

Develop and maintain Java-based services and REST APIs, design cloud solutions on AWS/Azure/GCP, implement CI/CD and automation scripts, work with data copy/compare tools, and collaborate in Agile Scrum teams.

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.

Develop and maintain Java-based applications and REST APIs on cloud platforms (AWS/Azure/GCP). Support CI/CD pipelines, automation scripting, and data copy/compare tasks. Work within Agile/Scrum teams to deliver software solutions.

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 cloud-native applications using Java/J2EE, Spring (Core and Boot) and RESTful services. Work on AWS/Azure, use Tomcat/TC Server and relational databases. Integrate ORM frameworks (MyBatis/Hibernate/JPA), collaborate in Agile teams, and optionally work with front-end tech (JavaScript/Angular) and shell scripting on Unix/Linux environments.

Lead design and implementation of scalable Java Spring Boot microservices. Write high-quality, testable code, perform API validations, debugging and performance tuning. Collaborate with architects, front-end developers, and product owners; participate in Agile ceremonies, maintain documentation, perform peer reviews, and own feature delivery and technical leadership.

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

Lead Appian development and deliver end-to-end solutions. Design and implement Appian process models, SAIL interfaces, CDTs, integrations, and back-end services using Java/J2EE, Spring, ORM, REST/SOAP, and SQL. Work within Agile teams and leverage cloud platforms (AWS/Azure).

Design, develop, and maintain a digital platform using full-stack technologies. Set technical standards, assess platform implementations, define technical vision, participate in code reviews and testing, troubleshoot non-prod/production issues, and collaborate across teams to improve product quality and drive digital adoption.

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.

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.

Build, support, and test large-scale AWS cloud-native applications using Java and Apache NiFi to integrate data across AWS services. Own secure SDLC and CI/CD practices, implement microservices/serverless/event-driven architectures, and collaborate with stakeholders to deliver high-quality software.

Develop and maintain Java applications. Requires shell scripting and SQL knowledge, familiarity with a testing framework (e.g., JUnit, Cucumber). CI/CD and XSLT experience are optional. Banking domain experience preferred.

Design and develop end-to-end web applications using Java backend and Angular/React frontend. Build and maintain RESTful APIs and scalable microservices with Spring Boot/Spring Cloud, integrate relational and NoSQL databases, message queues, and authentication systems (OAuth2/JWT). Conduct API testing with Postman/Swagger, collaborate in Agile teams, ensure CI/CD deployments with Docker/Kubernetes, and maintain high code quality through testing and code reviews.

Design, develop, and maintain scalable Java backend services and RESTful APIs using microservices. Ensure performance, security (OAuth2/JWT/SSO), and reliability. Create API documentation, optimize performance, troubleshoot production issues, mentor junior developers, participate in architecture decisions, integrate databases and messaging, and work within Agile/Scrum and CI/CD environments.