Top Java Developer Jobs in Delhi

Develop and maintain Java backend services and data-processing components supporting ingestion, transformation, integration, and production operations. Design scalable solutions, improve performance and reliability, troubleshoot application and data issues, and collaborate with engineering and business stakeholders. Contribute to testing, documentation, code reviews, and Agile engineering practices. The role requires experience with Java, data-oriented systems, ETL, Spark, Kafka, APIs, databases, and distributed application design.

Design, develop, and deliver scalable full-stack software using Java, Spring, React, React Native, and Angular. Collaborate with product, design, and engineering peers, follow secure coding and unit testing practices, participate in code reviews, and contribute to technical strategy and continuous improvement. Deliver projects to plan, budget, and quality standards.

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, deploy and maintain high-performance, scalable Java enterprise applications using Core Java and J2EE frameworks (Spring, Hibernate, Struts, EJB). Work with web technologies (JSP, Servlets, WebServices, XML, JavaScript), follow Agile methods, contribute from design through delivery, and stay current with Java frameworks and tools.

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.

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, 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.

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.

Internship QA Engineer supporting Binance’s compliance and digital finance products. Responsibilities include understanding business and technical scenarios, designing and reviewing test cases, executing functional and regression testing, tracking defects, and developing automation scripts. Requires hands-on Java coding, MySQL familiarity, QA methodology knowledge, analytical and troubleshooting skills, communication, and a five-day-per-week commitment.

Participate in testing backend microservices across APIs and service integrations. Design and execute functional, integration, and regression tests; track defects; validate MySQL data, idempotency, Kafka messaging, Redis state, and cross-service behavior. Build Java-based automated test suites using tools such as JUnit, TestNG, and REST Assured. Collaborate with developers and product managers, and use AI tools to improve testing coverage and efficiency.

Participate in Android and iOS app testing, including functional and regression testing. Design, execute, and review test cases; identify, track, and verify bug fixes; and collaborate with developers and product managers to resolve issues. Use AI tools to improve testing efficiency and coverage. This is a six-month, full-time early-career program requiring five days per week.

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.

Lead AI-first product engineering: design, build, and scale backend systems and AI-integrated frontends and portals. Own end-to-end product lifecycle, validate assumptions with data, automate workflows using AI tools and agentic coding, and drive rapid experimentation to deliver customer value.

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, develop, maintain, and optimize backend and big-data systems for Binance's Web3 security domain. Build scalable, high-concurrency services, improve security tooling and threat detection, work with data teams on collection and processing, and collaborate with cross-functional and global stakeholders to deliver security-focused technical solutions.

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.

Design and develop automation frameworks for UI and API testing using Java and JavaScript. Build and maintain automated tests for web applications and RESTful services, leveraging tools like Playwright and HTTP-based testing.