Top Java Developer Jobs in Kolkata

Develop Java backend software using Core Java, object-oriented programming, Spring Boot, REST APIs, databases, Redis, JPA, Docker, and JUnit. Collaborate with IT teams to create high-quality software solutions, troubleshoot problems, and support reliable application development. The role requires Java up to version 17, database experience, strong analytical skills, and effective communication.

Build scalable enterprise applications using Java and Vue3. Develop RESTful APIs and maintainable frontend and backend code with Spring Boot, TypeScript, HTML5, CSS3, and MySQL. Apply Spring Security, JPA, JWT, design patterns, and enterprise architecture principles. Collaborate within Agile Scrum processes, follow SDLC practices, and deliver clean, testable software while solving technical problems effectively.

Designs and maintains production-grade MCP servers, backend services, and secure REST APIs using Node.js, TypeScript, Java, and AWS. Responsibilities include serverless development, OAuth 2.0 and API key security, MCP tool and schema design for LLM agents, monitoring, troubleshooting, validation, and failure recovery. The role collaborates across engineering, product, AI, and infrastructure teams to deliver scalable, reliable, and maintainable AI-enabled integrations.

Develop and maintain backend microservices using Java, Spring Boot, WebFlux, GraphQL, and related technologies. Build integrations, collaborate on architecture and deployments, implement CI/CD pipelines and testing frameworks, contribute to containerization, optimize MongoDB, support AWS event-driven processing, and work within agile teams using JIRA and Confluence.

Design, build, and operate Java backend services, REST APIs, compliance capabilities, and analytics products. Develop blockchain data pipelines, model relational and NoSQL data, optimize queries, and improve production reliability, observability, and performance. Translate regulatory requirements into technical solutions while collaborating with compliance and product specialists. The role may also involve AWS infrastructure, Kafka, crypto integrations, and AI-assisted development tools.

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.

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.

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.

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.

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 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.