Java Developer
Skills & Stack
About the Role
The Java Developer position at Leidos involves full-stack development supporting IRS Operations and Maintenance (O&M) projects. This role requires building Java microservices, APIs, and responsive user interfaces for critical government tax systems. The developer will work with modern Java technologies including Spring Boot for microservices development, React for frontend interfaces, and containerized deployments using OpenShift. This position involves collaborating with cross-functional teams to maintain and enhance existing systems while implementing modern software architectures. The role offers the opportunity to work on large-scale government systems that serve millions of taxpayers, requiring strong attention to security, reliability, and performance. The developer will participate in the full software development lifecycle, from requirements analysis to deployment and maintenance of mission-critical applications.
About Leidos
Leidos is a Fortune 500 technology, engineering, and science solutions company founded in 1969 that serves defense, intelligence, civil, and health markets. The company provides innovative solutions for critical missions of government and commercial customers, specializing in areas including national security, healthcare, and infrastructure. Leidos operates with approximately 47,000 employees worldwide and is known for delivering sophisticated systems and services that address complex challenges. The company work includes cybersecurity, data analytics, cloud computing, and enterprise IT modernization for federal agencies and commercial clients. Leidos combines deep domain expertise with advanced technology to deliver solutions that protect and advance the nations most critical systems and infrastructure.
What You'll Do
- 1Develop Java microservices and APIs using Spring Boot framework
- 2Build responsive user interfaces with React, JavaScript, and Bootstrap
- 3Create and maintain full-stack applications for IRS systems
- 4Implement containerized deployments using OpenShift platform
- 5Work with databases including Oracle and MongoDB for data management
- 6Develop and maintain RESTful APIs for system integrations
- 7Participate in Agile development processes with cross-functional teams
- 8Write unit tests using JUnit and Mockito testing frameworks
- 9Maintain and modernize existing Java applications and systems
- 10Ensure compliance with government security and accessibility standards
- 11Collaborate on system architecture and design decisions
- 12Participate in code reviews and quality assurance processes
What We're Looking For
- Bachelors degree in Computer Science or related field
- Experience with Java development and Spring/Spring Boot frameworks
- Knowledge of frontend technologies including React, JavaScript, and jQuery
- Experience with microservices architecture and containerization
- Familiarity with database systems (Oracle, MongoDB)
- Understanding of cloud platforms and container orchestration (OpenShift)
- Experience with build tools like Maven and testing frameworks (JUnit, Mockito)
- Knowledge of Agile development methodologies
- Ability to obtain government security clearance if required
- Strong problem-solving and analytical skills
- Experience with government systems or regulated environments (preferred)
Ready to apply for this role?
Java Developer at Leidos — click below to submit your application.
