Top Java Developer Jobs in Kolkata

Senior Java developer to build cloud-native services using Java and frameworks like Spring or Micronaut, leveraging AWS (Lambda, DynamoDB, CloudFormation). Desirable: React/react-query, Kafka, event-driven architecture, and familiarity with OpenAPI (OAS).

Design, develop, test, and maintain Java Spring Boot microservices. Collaborate with architects, frontend teams, and product owners to implement APIs, write automated tests, troubleshoot and optimize performance, participate in Agile ceremonies, perform code reviews, and maintain technical documentation.

Design, build and maintain Java Spring Boot microservices and REST APIs; write automated tests; debug and optimize performance; collaborate with architects, front-end teams, product owners and participate in Agile ceremonies.

Develop and implement responsive, accessible web user interfaces using HTML5, CSS3, and JavaScript. Use CSS frameworks and preprocessors, validate markup against W3C standards, and apply ARIA attributes. Optimize assets with image-editing tools and collaborate on front-end standards and cross-browser compatibility.

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.

Design, build, and maintain Java Spring Boot microservices; implement APIs, write automated tests, debug and optimize performance, collaborate with architects, frontend teams and product owners, participate in Agile ceremonies, perform peer reviews and maintain technical documentation.

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 build Java Spring Boot microservices and REST APIs, implement unit tests, work with MyBatis/Oracle SQL and PL/SQL, use Git and CI/CD (Maven/Jenkins), deploy to AWS (EKS) on Kubernetes, manage secrets, and support Angular-based front-end code.

Senior Java developer responsible for building high-availability enterprise applications. Requires deep Core Java, concurrency, executor frameworks, CompletableFutures, and Java streams. Develop RESTful Spring Boot microservices with Spring/Hibernate, ensure application security, work with Oracle PL/SQL, follow Agile practices, and collaborate with global 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.

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, develop, and maintain Java/J2EE web applications and APIs in an Agile environment. Build RESTful/microservice architectures, implement cloud (AWS) solutions, apply DevOps/CI-CD practices, write automated tests, troubleshoot production issues, produce documentation, and mentor junior engineers.

Lead design and delivery of scalable, secure Java APIs and microservices. Mentor backend developers, define technical solutions, own API lifecycle, integrate databases and third-party systems, ensure high availability and CI/CD, and drive performance, reliability, and technical innovation.

Senior full‑stack engineer responsible for building and maintaining Angular frontends and Java/Spring backends. Work includes GraphQL and REST/SOAP APIs, TDD with JUnit/Jasmine/Karma/Protractor, CI/CD builds and deployments (Jenkins/Maven/uDeploy), container and cloud platform (AWS/Azure) integration, and technical leadership.

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 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.

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.

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.

Senior Java developer responsible for designing and building enterprise applications and RESTful Spring Boot microservices. Requires strong Core Java, multithreading, OO design, architecture, security, high-availability, Spring/Hibernate, and Oracle PL/SQL experience. Works in Agile teams, communicates with business users, and collaborates across distributed teams.

Design, develop, and maintain Java applications and RESTful APIs across the full software lifecycle. Work with relational databases, troubleshoot issues, collaborate with cross-functional teams, and improve development processes and tools.

Design and build enterprise web applications and scalable microservices using Java (8/11/17) and Spring. Develop RESTful APIs consumed by Angular/React front ends, integrate databases and message queues, implement OAuth2/JWT security, collaborate in Agile teams, perform API testing with Postman/Swagger, and support CI/CD deployments with Docker/Kubernetes.

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

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.