Top Senior Java Developer Jobs

Build and enhance Citi's Integrated Digital Assets Platform backend. Collaborate on blockchain-based web applications, deliver functional scope, apply enterprise and web3 design patterns, maintain documentation, support solution engineering, and follow best practices for reliability, scalability, and performance in a distributed Agile team.

The Senior Java Full Stack Developer designs and develops scalable enterprise applications using Java and Spring. They lead architectural discussions, mentor developers, and collaborate with teams to ensure high-quality delivery and adherence to technical best practices.

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

Develop, test, and support high-quality Mainframe Cybersecurity solutions by creating RESTful APIs and maintaining software aligned with user needs.

Develop and maintain enterprise Java applications supporting a U.S. Navy Solutions Business Management program. Responsibilities include designing integrated systems, building new applications and customizable features, supporting site maintenance, and collaborating with development teams. The role requires Java backend and web development, database integration, version control, configuration management, CI/CD, Agile and Waterfall methodologies, and secure software practices. Candidates must hold a Secret clearance, relevant certification, and a bachelor's degree.

Design, develop, and support complex full-stack applications using Java, Spring Boot, microservices, Hibernate, and frontend technologies. Lead architecture and system analysis, manage the software development lifecycle, implement security and automated testing, and ensure code quality. Serve as a technical authority, influence engineering standards, collaborate with business and technology stakeholders, and mentor junior and mid-level engineers. The role uses Agile practices and supports business-critical systems in a hybrid environment.

Build and maintain scalable full-stack platforms using Java, React, microservices, containers, databases, and cloud services. Responsibilities include designing distributed systems, contributing to architecture, leading design sessions and code reviews, developing reusable components, supporting Azure-based development workflows, mentoring engineers, improving engineering practices, and performing application implementation and maintenance with minimal direction.

Develops high-quality, maintainable Java software with a small team. Provides guidance to client teams on modern software development practices and scalable application design. Uses test-driven development, collaborates on digital solutions, and participates in ongoing training and professional development.

Design, develop, and modernize full-stack web applications using Java and Angular in a cloud microservices architecture. Build and deploy Dockerized services on AWS (ECS/ECR), implement REST APIs, write unit and automated tests, enforce code quality in GitLab pipelines, collaborate in Agile teams, and mentor teammates. Participate in sprint ceremonies, manage user stories, perform testing (functional, exploratory, performance), and resolve defects to deliver reliable production software.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.

Lead design, develop, test, deploy, and maintain enterprise Java applications. Perform code reviews, optimize performance, assist in architecture and planning, mentor developers, and collaborate with cross-functional teams to ensure timely delivery.

Design, develop, and maintain secure, scalable APIs and backend services for digital payment experiences. Collaborate with product, UX, and engineering teams to translate requirements into microservices-based solutions; drive architecture, code quality, CI/CD, observability, and operational excellence; mentor engineers and stay current on emerging technologies to improve platforms and customer experiences.

Hybrid role split ~50/50 between hands-on cloud-native Java microservices development and Scrum Master duties. Design, build, test, deploy, and maintain production services; facilitate Agile ceremonies, remove impediments, mentor engineers, coordinate releases, and support operational troubleshooting for safety-critical FAA modernization programs. US citizenship and Public Trust eligibility required.

Design, build, and maintain enterprise data ingestion pipelines, onboarding workflows, and API-based data services using Java and ETL tools. Modernize legacy pipelines to AWS and Databricks lakehouse, implement logging/monitoring, ensure security/compliance, and integrate with cloud/platform teams to support production-ready, governed data intake.

Design, develop, test, and maintain scalable Java applications for government and enterprise systems. Build and integrate APIs, support CI/CD deployments, ensure security/compliance, contribute to architecture and documentation, troubleshoot production issues, and collaborate with cross-functional teams.

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.

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.

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.