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.

Designs and develops complex cloud-based applications, software interfaces, and web services using Java and Vue3. Resolves critical issues across the software lifecycle, determines when new algorithms or models are needed, advises customers and management, and may lead teams on complex software tasks. AWS and Spring Boot experience are advantageous.

Designs and develops complex enterprise applications, software interfaces, web services, and cloud-based solutions using Java, Vue 3, AWS, and microservices. Resolves critical issues across the software lifecycle, advises on algorithms and models, and may lead teams while ensuring software specifications are achievable.

Develop and maintain Java applications, RESTful services, and Angular frontends using Spring Boot and NgRx. Deploy applications to cloud platforms, practice TDD, manage CI/CD with Jenkins, and work with Oracle and PostgreSQL databases. Participate in agile processes, collaborate with cross-functional teams, mentor engineers, and independently lead technical initiatives and feature delivery.

Develop scalable full-stack applications using Java, React.js, Spring Boot microservices, Kafka, and AWS. Responsibilities include REST API development, cloud deployment, CI/CD, database integration, performance optimization, security, monitoring, logging, and production-ready code delivery. The role requires expertise in Java concurrency, event-driven architecture, Docker, Jenkins, Redis, observability tools, and SQL databases.

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.

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.

Senior Java engineer responsible for building data lake and big data solutions (preferably on Spark) with cloud experience (Azure/AWS/GCP), REST services, OOA/OOD and JEE design patterns, PostgreSQL expertise, TDD practices, and working in Agile teams. Optional: front-end (Angular/React), Docker/Kubernetes, investment banking domain knowledge.

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.