Top Senior Java Developer Jobs

Hands-on senior engineer responsible for designing, building, and operating a multi-threaded, Linux-based, real-time Java platform for Equity Swaps. Drive architecture, mentor engineers, own core components (including cashflow calculator), operate and tune sharded MongoDB, improve CI/CD and test automation, lead L3 support, and use AI tooling to accelerate the SDLC.

Design, develop, and maintain backend services and APIs for an AI-native health platform. Lead technical designs, ensure engineering excellence, manage release cycles, collaborate across teams, drive operational excellence, and support production monitoring, incident triage, and deployment readiness.

Design, develop, and maintain scalable backend services and APIs using Java, Spring Boot and Node.js. Contribute to architecture, implement cloud-native, containerized solutions on Kubernetes, apply observability, integrate systems, deliver AI-enabled features, mentor engineers, conduct code reviews and support production deployments within Agile teams.

Design and develop web components, drive innovation in digital channels, analyze and modify software, mentor teams, and ensure code quality.

Lead design, development, testing, and maintenance of enterprise Java microservices and front-end applications. Build APIs, CI/CD pipelines, and containerized deployments; troubleshoot production, ensure security/compliance, mentor junior developers, and collaborate within Agile teams.

Build and deliver backend enterprise web applications for Citi's Integrated Digital Assets Platform using Java/Spring and web3 technologies. Collaborate with distributed teams, follow best practices and design patterns, write technical documentation, resolve issues, and ensure scalability, reliability, and performance.

Design, build, and maintain secure, high-performance RESTful APIs and microservices using Java and Spring Boot. Collaborate with cross-functional teams, implement API security (OAuth2/JWT/OpenID Connect), optimize databases, integrate messaging systems, write unit/integration/API tests, participate in code reviews and architecture decisions, troubleshoot production issues, and contribute to CI/CD and DevSecOps practices.

The Sr Staff Software Engineer will drive technical strategy, design scalable systems, lead engineering activities, and mentor teams while managing platform improvements and integrations.

The Senior Java Developer builds frameworks and services, resolves complex problems, leads mid-level developers, and ensures compliance with architecture and industry standards.

Lead and mentor development teams to design, build, and remediate Java/J2EE applications. Ensure best practices, participate in architecture reviews, implement CI/CD, integrate container orchestration (EKS), databases, and security controls while collaborating with business and IT partners.

Design, develop, and maintain enterprise-grade Java/Spring Boot backend services and responsive React front-ends. Own end-to-end lifecycle for cloud-native, microservices-based applications, collaborate in Agile teams, ensure performance, security, observability, and reliable deployments to major cloud providers.

Design, implement, and maintain deep Windchill customizations using Java and PTC APIs. Extend platform via services, listeners, and processors, perform client-side (JSP/HTML) customizations, support upgrades, optimize performance, troubleshoot issues, and mentor junior engineers while collaborating with cross-functional teams.

Designs, develops, tests, and maintains complex Java/J2EE applications to meet financial business requirements. Collaborates with IT and business partners, debugs and resolves defects, optimizes runtime performance, and performs maintenance programming. Acts as a subject matter expert in application development and support.

Design, develop, and maintain web services, webpages, APIs, and microservices for Ford Customer Service Division. Collaborate with product teams on integrations, testing, and deployments; translate business requirements into specifications; enforce engineering best practices; perform coding, pairing, and code and architecture reviews in an agile environment.

Design, develop, and maintain scalable, cloud-native Java/J2EE services and APIs for equity investments. Collaborate with business and engineering teams to document requirements, implement multi-threaded solutions, create tests, perform code reviews, mentor junior engineers, and apply CI/CD and agile practices to deliver high-quality financial software.

Design and implement backend APIs with Java/Spring Boot and responsive UIs with React/TypeScript. Build normalized PostgreSQL schemas, support data migration, manage CI/CD and deployments, ensure accessibility and security compliance, and participate in all SDLC phases within an Agile team.

Design, build, and maintain scalable enterprise full-stack applications using Java, Spring Boot, microservices, and modern front-end frameworks. Implement cloud-based solutions on AWS, contribute to CI/CD and DevOps automation, optimize performance and security, and integrate AI-driven capabilities using Python and orchestration tools like LangChain and LangGraph.

Design, develop, configure, and support GPP Wire payment applications and integrations. Build APIs, batch jobs, and middleware for Fedwire, CHIPS, SWIFT, and ISO 20022 workflows. Troubleshoot production issues, optimize performance, ensure regulatory and security compliance, and produce technical and deployment documentation.

Senior full-stack Java developer responsible for designing and building enterprise-grade, event-driven microservices, integrating with Azure cloud services, optimizing databases and SQL, and implementing modern frontend workflows. Must lead technical design, work autonomously as an individual contributor, and communicate effectively to influence architecture and delivery.

Lead design, build, and support cloud-native, enterprise-scale Java/Spring full‑stack applications. Develop microservices, REST APIs and event-driven solutions using AWS, Kafka, Docker/Kubernetes, Angular/React; drive architecture, CI/CD, DevOps, testing, performance tuning, and production support while collaborating with global Agile teams to modernize clearing and settlement platforms.

Lead backend engineer responsible for designing, building, and operating cloud-native, event-driven services in AWS. Deliver high-quality, tested code, improve reliability and performance, contribute to observability, collaborate across product and infrastructure teams, and mentor peers while co-owning core services.

Plan and execute upgrades and modernization of enterprise Java applications in secure government environments. Develop and maintain Java/Python components on Windows VMware, migrate and optimize Apache Solr indexes with Zookeeper, manage Tomcat, integrate with Oracle 19c and SAP BI, use Apache Directory Studio, apply secure coding practices, collaborate with security/infrastructure/business teams, document designs and procedures, and participate in code reviews.

The Senior Java Developer leads application solution development, enhances systems, performs coding/testing, and collaborates with architects while ensuring quality through documentation and reviews.

Senior full-stack engineer responsible for designing, building and reviewing robust, scalable OTC derivatives solutions across the SDLC. Collaborate with product, business and support teams, lead technical strategy, mentor engineers, manage stakeholders, and ensure compliance, quality (TDD/clean code) and operational risk controls in a fast-paced environment.

Lead design, development, testing, deployment and support of cloud-native Java microservices and APIs. Build event-driven data pipelines using Kafka, work with AWS EKS/ECR/EC2/Beanstalk, implement CI/CD and containerization, collaborate in Agile teams, and drive technical alignment and innovation across IB Tech & CRM/Analytics.