Top Java Developer Jobs in Mumbai

Develop scalable data processing applications and distributed systems using Core Java, Spring Boot, and Apache Spark. Responsibilities include implementing multithreading and concurrency, applying data structures and algorithms, building SQL-driven ETL and data pipelines, debugging applications, tuning performance, and solving complex technical problems.

Design, build, optimize, and operate scalable, low-latency backend services for an AI risk decisioning SaaS platform. Collaborate with product, frontend, and QA teams; implement testing and CI/CD practices; monitor service health; resolve performance bottlenecks; and mentor junior engineers.

Develop Android and Fire TV applications plus scalable Go or Java backend services for subscriptions, payments, in-app purchases, and entitlement workflows. Design REST APIs, microservices, distributed transaction processing, and resilient systems supporting millions of users and traffic spikes. Optimize performance, implement monitoring and observability, troubleshoot production issues, and collaborate across engineering and product teams.

Design and build scalable Java backend services for subscriptions, payments, entitlements, and Fire TV in-app purchases. Develop REST APIs, microservices, event-driven workflows, and reliable transaction-processing systems. Integrate payment providers and external platforms while ensuring idempotency, fault tolerance, consistency, and high performance. Improve observability, troubleshoot distributed production systems, and participate in architecture and code reviews.

Build and maintain scalable full-stack subscription, payment, and entitlement systems using Java and modern web technologies. Develop React-based user experiences, REST APIs, microservices, and Fire TV in-app purchase integrations. Design resilient distributed systems supporting high concurrency, reliability, observability, and traffic spikes. Integrate payment providers and platform APIs, improve performance, handle reconciliation and failure scenarios, participate in architecture and code reviews, and mentor engineers.

Build and maintain scalable full-stack subscription, payment, and entitlement systems using Java and modern web technologies. Develop React-based frontends, REST APIs, and microservices; integrate Fire TV in-app purchases, payment providers, app stores, and platform APIs. Improve performance, reliability, monitoring, and distributed-system consistency under high traffic. Collaborate across engineering and product teams, deliver production features independently, and participate in design and code reviews.

Design and build scalable Java and Spring Boot backend services for subscriptions, payments, entitlements, and Fire TV in-app purchases. Develop REST APIs, microservices, and event-driven workflows integrating payment providers and external platforms. Ensure high availability, fault tolerance, idempotent transaction processing, and performance during traffic spikes. Troubleshoot distributed production systems, improve observability, and participate in architecture and code reviews while mentoring engineers.

Develop and enhance scalable Java Spring Boot microservices and cloud-native supply chain and warehouse management applications on GCP. Responsibilities include designing SCM/WMS modules, integrating UI components, managing codebases and CI/CD pipelines, collaborating with product, UX, and QA teams, and ensuring production performance, security, and reliability. The role also involves agile ceremonies, code reviews, technical design, and supporting logistics workflows.

Develop and maintain Java applications on AWS, build REST and enterprise API integrations, and implement serverless workflows with Lambda and Step Functions. Configure messaging through SNS/SQS, manage DynamoDB and S3 resources, provision infrastructure using CloudFormation or CDK, and monitor systems with CloudWatch. Apply IAM security practices, troubleshoot cloud applications, collaborate with development, architecture, and client teams, and follow deployment and monitoring best practices.

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.

Leads complex Java software engineering initiatives across design, development, deployment, and operations. Provides technical strategy, governance, architecture guidance, and consultancy across projects and platforms. Drives engineering excellence, mentors engineers, manages technical roadmaps, and supports reliable systems through on-call participation and critical issue resolution. The role focuses on enterprise banking systems, distributed architectures, APIs, cloud infrastructure, DevOps, observability, security, and emerging AI technologies.

Develop and maintain cloud-native Java microservices using Spring Boot, AWS, relational databases, and NoSQL technologies. Apply TDD, JUnit, Git workflows, domain-driven design, and automated CI/CD practices. Build serverless or containerized deployments and integrate event-driven messaging when needed. The role requires strong English communication and flexibility to overlap with U.S. Central Time while working remotely from India.

Lead Software Engineer responsible for designing high-performance Java applications, mentoring developers, and implementing DevOps practices while optimizing software delivery pipelines.

The role involves migrating Oracle databases to PostgreSQL by analyzing, refactoring code, and ensuring functional parity through testing. Collaboration across teams to align business logic and create documentation is also required.

Develop and maintain scalable full-stack enterprise applications using Java, Spring Boot, microservices, and Angular or ReactJS. Responsibilities include designing REST APIs, frontend development, database modeling and query optimization, code reviews, debugging, performance optimization, Agile collaboration, deployment support, production issue resolution, and adherence to security and coding standards. The role collaborates with QA, DevOps, product, business, and technical teams, with preferred exposure to cloud platforms, Docker, Kubernetes, Kafka, CI/CD, NoSQL, and scalable system architecture.

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.

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.

Seeking a Senior Java Developer to lead software development, manage microservices, and support junior developers in an agile environment.

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

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 maintain enterprise Java/J2EE multi-tier web applications using frameworks such as Spring, Hibernate, and Struts2. Build UI with JSP/HTML/JavaScript/CSS, work with databases (Oracle, MS SQL, MySQL), implement APIs (JSON/Ajax), debug and optimize code, translate business requirements into technical solutions, and follow software development methodologies.