Top Senior Java Developer Jobs

Design, develop, and maintain scalable Java/Kotlin microservices and high-throughput backend systems. Build and deploy cloud-native applications on AWS using Docker and Kubernetes, troubleshoot distributed systems, contribute to CI/CD and architecture, and collaborate across Agile teams to deliver mission-focused solutions.

Design, develop, and maintain scalable, secure Java backend cloud services; collaborate with frontend and cross-functional teams; select cloud platforms (AWS/Azure/OCI); optimize performance, cost, and reliability; implement containerization, databases, messaging, and security; troubleshoot, participate in code reviews, and mentor junior engineers.

Design, build, and maintain large-scale, cloud-native microservices and data pipelines for risk platforms. Write quality Java code, implement unit and automation tests, create CI/CD pipelines, perform refactoring, ensure availability, and collaborate across teams to improve scalability, reliability, and deployment automation.

Develop full-stack Java/JavaScript applications and voice assistant integrations (Google Assistant, Alexa) for vehicle remote services (lock/unlock, start/stop, status queries). Build greenfield features, maintain feature parity across platforms, follow TDD, use Docker/Kubernetes for DevOps, and collaborate in an Agile/Scrum team with product managers, architects, and peers.

Design, build, test, and maintain secure, scalable cloud-native full-stack applications for CBP. Develop backend services (Python, Java, Spring Boot), modern Angular frontends, RESTful APIs, and containerized microservices on AWS. Participate in Agile ceremonies, perform code reviews, mentor junior developers, optimize performance, and support SDLC activities to modernize enterprise systems and deliver high-quality software.

Design and build enterprise-scale web applications and scalable microservices using Java backend and Angular/React frontend. Develop and consume RESTful APIs, integrate databases and messaging, ensure API security (OAuth2/JWT), support CI/CD and containerized deployments, perform API testing, collaborate in Agile teams, and maintain code quality through reviews and testing.

Reverse-engineer TIBCO BW/MFT processes to extract business logic, then design and implement a modular Java/Spring Boot microservices replacement. Migrate protocols to Kafka/RabbitMQ/REST, translate XML transformations, ensure data persistence and consistency, and validate performance to meet existing SLAs.

Design, develop, test, and maintain Java Spring Boot microservices. Collaborate with architects, product owners, and front-end teams to define APIs, implement features, perform debugging and performance tuning, write automated tests, conduct peer reviews, and participate in Agile ceremonies and deployment events.

Design and build enterprise web applications and scalable microservices using Java (8/11/17) and Spring. Develop RESTful APIs consumed by Angular/React front ends, integrate databases and message queues, implement OAuth2/JWT security, collaborate in Agile teams, perform API testing with Postman/Swagger, and support CI/CD deployments with Docker/Kubernetes.

Analyze legacy TIBCO BusinessWorks/MFT processes to extract business logic, design and build a decoupled Java/Spring Boot microservices platform, migrate protocols to Kafka/RabbitMQ/REST, translate XML-heavy transformations to modern formats, and validate performance and SLAs to match legacy throughput.

Design, build, and maintain Java/J2EE multi-layer applications and APIs. Collaborate with architects and DevOps to implement CI/CD, code quality, testing, and database solutions (DB2/Oracle, PL/SQL). Support cross-team delivery, resolve technical roadblocks, and drive process improvements in an asset management/financial services context.

Lead reverse-engineering of TIBCO BW/MFT processes, document business rules, and reimplement them as modular Java/Spring Boot microservices. Migrate protocols to Kafka/RabbitMQ/REST, ensure data consistency, and perform performance testing to match legacy SLAs.

Design and build Java/J2EE solutions using Spring and APIs; develop webservices, DB schemas, PL/SQL and transactional SQL in DB2/Oracle; collaborate with architects, developers and DevOps to implement CI/CD (Jenkins, uDeploy), ensure code quality (Sonar), perform code reviews and testing, resolve technical roadblocks, and drive process improvements. Requires strong communication and teamwork.

Design, build, and maintain Java Spring Boot microservices and APIs. Write scalable, testable code and automated tests, troubleshoot and optimize performance, collaborate with architects, front-end, and product owners, participate in Agile ceremonies, perform code reviews, and maintain documentation.

Design and develop end-to-end web applications using Java backend and Angular/React frontend. Build and maintain RESTful APIs and scalable microservices with Spring Boot/Spring Cloud, integrate relational and NoSQL databases, message queues, and authentication systems (OAuth2/JWT). Conduct API testing with Postman/Swagger, collaborate in Agile teams, ensure CI/CD deployments with Docker/Kubernetes, and maintain high code quality through testing and code reviews.

Senior Java developer responsible for designing and building enterprise applications and RESTful Spring Boot microservices. Requires strong Core Java, multithreading, OO design, architecture, security, high-availability, Spring/Hibernate, and Oracle PL/SQL experience. Works in Agile teams, communicates with business users, and collaborates across distributed teams.

Responsible for leading applications systems analysis and programming activities, developing systems, enhancing application designs, and managing mid-level developers while ensuring compliance with regulations.

Develop, integrate, test and maintain desktop/web applications and Java microservices; build and maintain CI/CD pipelines; collaborate with SW, HW and test teams; identify technical risks and report to leadership; work in an Agile, process-oriented environment. On-site in San Diego, requires Top Secret clearance and up to 25% travel.

Design, develop, and modernize software by translating legacy mainframe code (COBOL/ASM/JCL/Copybooks) into Java microservices. Support UI integration, relational and hierarchical databases, batch and real-time processing, CI/CD, cloud-native and ZT/ICAM integration, and use AI/ML tools to assist translation and optimization. Work supports pre-production, testing, and integration activities.

Lead and mentor a team of Java/J2EE developers to enhance and maintain Internet/Intranet business applications. Provide design and implementation leadership using WebSphere and JBoss, refine Java/J2EE standards and testing, implement integrations and packaged solutions, and collaborate with technical staff and business stakeholders to gather requirements and resolve issues.

Lead design and development of low-latency, high-performance Java microservices for electronic equities trading. Implement complex trading logic, optimize performance, conduct design reviews, partner with product and quant teams, improve testing and CI/CD pipelines, and maintain monitoring, reconciliation, and recovery capabilities while ensuring regulatory and operational risk controls.

Develop and maintain the Java client library and high-performance C/C++ server applications. Implement message parsers and feed handlers, optimize for extreme throughput and low latency, build tools for petabyte-scale processing, collaborate on build/deploy/CI practices, monitor uptime, and support smooth feature rollouts.

Develop and maintain core Elasticsearch infrastructure and shared platform features. Design scalable APIs, solve performance and concurrency issues, improve observability and CI/CD, automate developer workflows, lead cross-team projects, support complex operational investigations, and use AI to accelerate development and debugging.

Design, build, and improve Elasticsearch distributed-systems components for scalable, concurrent, and consistent indexing. Maintain cluster coordination for performance and resilience, push system scale limits, investigate performance and concurrency issues, support operations/support engineers, and lead projects involving multiple engineers from design through delivery.

The role involves improving Elasticsearch's distributed components, maintaining cluster coordination systems, and addressing complex issues to optimize performance and scalability.