Top Java Developer Jobs

Develop and integrate Java-based solutions to secure virtualized datacenters and cloud workloads. Build RESTful APIs, multithreaded services, prototypes, and integrate third-party security products. Estimate tasks, deliver components on Agile teams, and communicate design rationale.

Develop and maintain backend and frontend components of monitoring applications. Build user-focused web interfaces, implement Java/REST/SOAP APIs and scripts to enhance monitoring across platforms (HP BSM, UCMDB, ServiceNow, CA Spectrum, SCOM, Nagios). Own subsystem maintenance, requirements, prototyping, coding, testing and deployment. Troubleshoot issues, lead deployments, and collaborate with the team. Requires Linux administration, deep Perl and PowerShell skills, and 5–6 years of software development/configuration experience.

Design, develop, test, deploy and maintain enterprise Java web applications. Lead requirements analysis, architecture collaboration, code reviews, debugging, performance tuning, and mentor junior engineers.

Design, develop, and test integration middleware and expand the data model. Perform both UI and backend development and collaborate closely with solution architects and IoT solution representatives.

Assess and document existing Java applications for a large data-center to cloud migration. Define migration strategies, classify applications for reuse/improvement, and produce designs usable by development teams. Lead technical analysis and collaborate with enterprise stakeholders to plan modernization.

Senior hands-on Java developer to design and implement complex Java programs. Responsibilities include concurrent and multithreaded programming, binary data manipulation, OOP, working in UNIX, writing SQL and JUnit tests, and using scripting (Python). Hadoop experience is a plus. 12-month contract starting ASAP in Seattle, WA.

Design, develop, test, document and deploy smart-card personalization software using Java, Spring Boot and React. Troubleshoot complex issues, participate in requirement reviews, perform code reviews and unit testing, and collaborate across teams. Apply secure SDLC practices, threat modeling, and web application security assessments while evolving architecture and adding EMV/AES-related features.

Develop, maintain, and architect enterprise-scale Java and C/C++ systems (JBoss) for DoD aviation logistics and maintenance. Apply secure coding in IL5 environments, support Windows Server administration, troubleshoot integrated systems, and collaborate on DevSecOps and Agile practices to keep naval aviation readiness operational.

Senior Java developer responsible for designing, developing and deploying SOA-based applications using Apache Camel, Java/Java EE, Spring, JMS, REST/SOAP. Work includes integration with mainframes/AS400 via MQ, using JBoss Fuse, databases (Oracle/MSSQL/DB2), CI tools (Jenkins/Hudson), version control (Subversion), SOAPUI, and participating in Agile/Scrum teams. Must lead assignments end-to-end and ensure WS-Security and SOA governance.

Develop, maintain, and migrate Visual Basic/ASP applications to a J2EE framework. Collaborate with project managers and team leads, estimate effort, follow SDLC processes, produce unit tests, test data and scripts, and adhere to quality and timeline expectations.

Develop and maintain Java/J2EE web applications (JSP, SQL, XML); participate in requirements elicitation; design and deploy systems; write and execute unit tests; debug and resolve technical issues under general supervision; ensure software compliance.

Develop and modify Java/J2EE applications using JSP, SQL, and XML. Participate in requirements elicitation, plan deployments, ensure software compliance, write and execute unit tests, and troubleshoot technical issues under general supervision.

Design, develop, and modernize Java applications for federal systems using Spring Boot and Hibernate; maintain legacy Struts2/J2EE apps; deploy and optimize cloud solutions (AWS/Azure); build APIs, CI/CD pipelines, and unit tests (JUnit); support IAM/SAML and Login.gov integrations; troubleshoot distributed environments and participate in Agile/SAFe delivery.

Develop and configure Java-based applications and microservices across the stack. Build prototypes, proofs-of-concept, and production-quality solutions using Java frameworks, development tools, and databases. Collaborate in teams to deliver secure, high-quality software for federal clients and support CI/CD/DevSecOps practices.

Build and maintain a Java/Spring Boot OpenFGA wrapper service: design REST APIs, implement authorization features, write tests, optimize performance, participate in code reviews, support CI/CD, and assist cross-functional teams while working in a hybrid Arlington, VA environment.

Develop and maintain cloud-native Java applications and microservices (Spring Boot) on AWS. Integrate Apache Kafka for event streaming, implement CI/CD pipelines, containerize with Docker and orchestrate with Kubernetes/OpenShift. Optimize performance, ensure security best practices, troubleshoot issues, and collaborate with architects, DevOps, and product teams.

Design, build, and maintain scalable backend services and APIs using Java and Spring Boot. Implement event-driven architectures with Kafka, manage PostgreSQL/Redis data, ensure performance and reliability, troubleshoot production issues, participate in code reviews, and collaborate across teams for deployments and monitoring.

Lead backend development and support internal fraud and financial systems. Design, develop, test, deploy, and maintain Java-based services (Java 21, Spring Boot) on Windows/Linux, implement REST/SOAP APIs, use ORM (JPA/Hibernate) and relational databases, troubleshoot production issues, create documentation, and collaborate within an Agile team.

Design, build, and maintain Java back-end services and Vue front-end components. Translate requirements into functional applications, ensure performance and quality, identify and fix bugs, write reusable libraries, implement automated tests (TDD), and collaborate with the team on architecture, CI/CD, and code quality.

The Java Web Application Developer will build next-gen applications for order processing and accounting, support legacy systems, and collaborate on projects.

Build and maintain cloud-ready, low-latency trade and positions services for TAPE 2.0. Design scalable distributed systems, integrate client APIs (Java, C++, Python), use distributed caching and Kubernetes, contribute frontend work in Angular, and support CI/CD, monitoring, and documentation.

Looking for a Full Stack Developer skilled in .Net or Java and experienced with AngularJS, ReactJS, or NodeJS, with 5-10 years of experience.

Looking for a Java Full Stack Developer with experience in single page applications or responsive web design. Position is full-time.

The Java/J2EE Developer will design, develop, and maintain applications using Java/J2EE technologies, work with relational databases, and implement web services.

The role requires developing Java/J2EE applications, managing databases, and deploying applications in various environments while following Agile practices.