Top Java Developer Jobs in Gurgaon

Design, optimize, and maintain Oracle database schemas and performance. Collaborate with developers in Agile teams, tune queries and stored procedures, define indexing/partitioning, ensure backup/recovery, security, and compliance, and analyze AWR reports.

Lead frontend architecture and modernization for React applications: define coding standards and reusable components (Hooks, Context API, Redux Toolkit); design API contracts and secure auth flows (OAuth, JWT) with Java backends; optimize performance (bundle sizes, code-splitting, lazy loading); enable CI/CD and automated tests (Jest, Cypress); implement containerization (Docker, Kubernetes); and mentor/lead cross-functional and offshore teams.

Design, develop, and maintain IVR systems using VoiceXML and major IVR platforms. Build conversational AI solutions (NLU/NLP, intent identification, LLMs), integrate telephony (SIP/TDM), cloud AI services, databases (SQL/NoSQL), CRM and RPA systems, and external services via RESTful APIs using Java/Python/NodeJS/C++.

Lead and own platform reference architecture for supply chain finance modules. Define HLD/LLD, enforce architecture guardrails, design high-throughput Spark+Kafka pipelines (>20M invoices/day), drive Azure AKS and IaC strategy, establish CI/CD and security-by-design, translate complex financial rules into technical designs, and mentor engineering leads across squads.

Design, build, secure, and maintain end-to-end integrations using SAP Integration Suite/CPI. Collaborate with business teams to translate requirements, develop iFlows and APIs, perform unit testing, optimize performance, and troubleshoot interface failures and message handling issues.

Design, maintain, and automate CI/CD pipelines; manage development and test environments (RHEL servers, VMs, containers); build and publish Docker images to artifact registries; coordinate patching and compliance using BigFix and ServiceNow; monitor and troubleshoot build agents and infrastructure; integrate security scanning (SAST/SCA) into pipelines; collaborate across development, QA, security, and infrastructure teams to ensure reliable releases and environment stability.

Design, develop, test, debug, document and maintain enterprise real-time distributed software. Translate requirements into code, build microservices and integrations (SOAP/REST, messaging/Kafka), lead platform expertise, evaluate new technologies, and support productization for financial services solutions.

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 lead scalable, high-performance backend systems for capital markets using Java, Spring Boot, microservices, and event-driven patterns. Drive DDD, define architecture standards, optimize for low latency/high throughput, collaborate with product and DevOps teams, support production, and lead technical governance and code reviews.

Design, build, and maintain automated tests and hybrid testing frameworks for controls software in automated material-movement systems. Collaborate with product owners, architects, and deployment engineers to define acceptance criteria, create functional and end-to-end test scenarios, integrate tests into CI/CD pipelines, and provide automated reporting and performance testing. Practice SAFe Agile and coach best practices across teams.

Support, develop, and optimize enterprise messaging platforms using IBM MQ and Apache Kafka. Responsibilities include administration, integration, building producers/consumers, L2/L3 production support, performance tuning, capacity planning, automation with scripting and IaC, CI/CD integration, security configuration, and collaborating with application, DevOps, and infrastructure teams for onboarding and deployments.

Lead mobile and web test automation efforts including API testing. Develop automated scripts and frameworks (Appium/Playwright), execute test cases, analyze stories, manage defects via Jira, test on multiple OS/browsers and BrowserStack, produce test reports, and collaborate with product and development teams to optimize mobile products.

Design, develop, test, and maintain scalable full‑stack healthcare applications using .NET, modern frontend frameworks, GraphQL, serverless cloud (AWS/Azure) and microservices. Ensure HIPAA compliance, integrate rules engines, optimize search with OpenSearch, mentor junior engineers, and stay current with healthcare and technology trends.

Design, develop, and modernize cloud-native full-stack applications using microservices, containers, and APIs. Lead modernization initiatives, perform code reviews, ensure performance/security, collaborate with architecture and delivery teams, and mentor junior developers.

Design, develop, and maintain scalable backend services; implement secure APIs; optimize system performance and reliability; collaborate with cross-functional teams.

The Senior Full Stack Engineer will design and maintain features across backend and frontend systems, focusing on scalability and security while collaborating on production-grade solutions in a fast-paced environment.

The Fullstack Developer will support a web portal project, primarily using Java and Angular for development and maintenance tasks.

Develop real-time streaming applications using Apache Flink and Java, integrating with Kafka and NoSQL databases, while ensuring performance and fault tolerance.

The Automation Tester will define automation test scenarios, develop scripts, execute tests, analyze results, and maintain testing frameworks, primarily using Selenium and Java.

Seeking a React Native Developer with 5+ years of experience. Must excel in JavaScript and TypeScript and have a deep understanding of React Native architecture, state management, testing, and performance optimization.

Design, implement, and execute automated test scripts (Playwright + TypeScript) and test plans for enterprise software. Work within scrum teams to verify user stories, create test reports, convert manual tests to automation, develop API test frameworks, and track defects using tools like Jira/Zephyr. Advocate for product quality and collaborate across distributed teams.

Seeking a Senior SDET to ensure quality of large-scale data systems, focusing on test automation, performance tuning, and collaboration with teams. Responsibilities include creating test plans, automating tests, and enhancing testing processes.

Develop and maintain olx.in and international websites and back-office tools. Implement features in PHP, optimize MySQL, work with NoSQL, JavaScript/jQuery, and version control. Ensure OOP best practices, application security, and apply QA methods at the programming stage. Collaborate in an international team.

Develop and maintain Java/J2EE applications using the Spring stack (MVC, Webflow, JPA, REST), Hibernate and Oracle. Build with Maven, deploy on JBoss, use SVN and Eclipse, write JPA performance queries, and follow test-driven development practices.

Develop and optimize complex stored procedures, design tables and views, and perform advanced SQL and database performance tuning (preferably Sybase). Participate in full software development lifecycle. Financial services experience preferred; .NET/Java skills are a plus. Provide strong analytical, problem-solving, and communication support to clients.