Top Java Developer Jobs in Kolkata

Develop and maintain Java backend services and data-processing components. Build scalable ingestion, transformation, and integration solutions using technologies such as Spark and Kafka. Collaborate with stakeholders on design, implementation, testing, and production operations. Improve service performance and reliability, troubleshoot application and data issues, and contribute to documentation, code reviews, and engineering best practices in Agile teams.

Design, implement, and maintain high-volume, low-latency Java applications. Participate across the development lifecycle, write testable code, perform analysis, testing, debugging, produce releases, and recommend architectural improvements.

Designs and develops content governance platforms, anti-abuse tools, rule engines, and scalable governance pipelines. Integrates recommendation systems, implements content takedown policies, and builds capabilities for content review, risk detection, policy enforcement, and effectiveness analysis. The role addresses spam, fraud, traffic diversion, low-quality content, and black- or gray-market activity while collaborating with product, operations, algorithm, and business teams.

Design, develop, test, maintain, and support Java/J2EE applications, REST APIs, microservices, and backend components. Translate requirements into technical solutions, write maintainable code, troubleshoot issues, optimize SQL queries, support system integrations, and participate in code reviews, deployments, documentation, and Agile collaboration with cross-functional teams.

Develop and maintain fintech applications using Java and Spring Boot. Design secure RESTful APIs for financial transactions, translate financial workflows into technical solutions, ensure PCI DSS and GDPR compliance, and optimize high-volume, low-latency systems. Participate in Agile ceremonies, code reviews, CI/CD, Docker, cloud, and DevOps practices while collaborating with product managers, analysts, business units, leaders, associates, and clients.

Develop secure, high-performance financial transaction systems using Java, Spring Boot, microservices, React.js, and RESTful APIs. Build and integrate financial APIs using OAuth2 and JWT, ensure PCI DSS and GDPR compliance, optimize high-volume low-latency applications, and collaborate with product teams. Participate in Agile practices, code reviews, and DevOps activities while delivering technical solutions across business and product stakeholders.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Develop and design websites and eCommerce solutions (WordPress/CMS), integrate social media and SEO, and work with web/backend technologies (PHP, Java, .NET, Android, JavaScript, HTML5, AngularJS, MS SQL). Open to freshers and experienced candidates; excellent English communication required.

Candidates are asked to register on the JobDials portal for an urgent client role and then call the listed contact between 11:00 AM and 2:00 PM for instant support.

No specific job responsibilities or technical requirements are listed. Company describes a recruitment platform. Role title indicates an entry-level/fresher Java developer position, but duties and expectations are not provided.

Lead the architecture and delivery of enterprise integrations, APIs, and event-driven microservices. Establish API design and lifecycle standards, manage APIGEE solutions, implement OAuth2 security, review code, identify technical risks and performance issues, and collaborate with stakeholders and architects. Mentor developers and ensure scalable, resilient, high-quality solutions using Java, Spring Boot, REST APIs, Kafka, MongoDB, and NoSQL technologies.

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.

Design, build, and operate high-volume e-commerce services with focus on architecture, performance, scalability, automation, and incident troubleshooting. Collaborate with developers, architects, product owners and offshore teams; review code/designs, mentor junior engineers, and implement deployments and monitoring for cart/checkout/payment systems.

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

Develop scalable backend compliance products using Java, Spring, microservices, databases, and messaging systems. Responsibilities include implementing product features, performance tuning, incident troubleshooting, system refactoring, resolving compliance issues, and collaborating across teams. The role requires strong distributed-systems knowledge, clean coding practices, cross-functional communication, and familiarity with Spring Cloud, Kafka, fintech, APIs, and cryptocurrency compliance.

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, develop, and optimize Oracle-based databases and PL/SQL; build and maintain Core Java backend services and RESTful APIs; lead requirements gathering; tune performance and ensure scalable RDBMS architectures; review and modernize legacy SQL and Java code.

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.

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.

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.