Sr. Java Developer
Listed on 2026-07-20
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Software Development
Software Engineer, Java Developer, DevOps, Cloud Engineer - Software
Description
Leidos has an exciting opportunity for a Sr. Java Developer in our Intel Security Sector's Analysis Solutions Business Area. Our team works in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Leidos offers competitive benefits including Paid Time Off, holidays, 401K with company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and more.
Join us to make a difference in National Security!
A Java developer on this program provides Agile development and operations and maintenance for mission critical systems. Based in a Dev Ops framework, this role participates in major deliverables through all aspects of the software development lifecycle including scope and work estimation, design, coding and unit testing.
Primary Responsibilities- Design, develop, test and maintain high-performance, scalable backend microservices using Java and the Spring Framework to meet customer IT needs.
- Participate in software programming initiatives and code reviews.
- Develop software system validation and testing methods using JUnit and Katalon and use integrated custom developed software solutions to leverage automated deployment technologies.
- Develop, prototype and deploy solutions within a cloud-based platform leveraging platform services.
- Support the Agile software development lifecycle following SAFe practices while coordinating closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
- Document and perform systems software development, including deployment of build artifacts across environments leveraging Git Flow constructs and using industry-leading Dev Ops tools like Git Hub, Jenkins, and scripting (e.g., Python, Bash).
- Apply and identify software development best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.
- Familiarity with common Agile practices, service-oriented environments, and development practices.
- Familiarity with Java-based design patterns and implementing RESTful APIs.
- Familiarity with integrating with and delivering within Dev Ops toolsets/practices.
- Experience with Commercial Cloud Platforms (e.g., AWS, Google Cloud, Azure) and cloud data services (e.g., S3, RDS, EFS).
- Familiarity with version control systems and issue/problem tracking systems.
- Bachelor s degree with 8+ years of relevant experience or Master s degree with 6+ years of relevant experience. Additional years of experience may be substituted in lieu of a degree.
- Active TS/SCI with polygraph security clearance.
- Familiarity with the Spring Framework, microservices architecture and integrating with relational and No
SQL databases. - Direct experience with software testing performance tools, such as JUnit, and scripting languages such as Python and Bash in an Agile environment.
- Experience with SAFe development practices.
Leidos is an industry and technology leader serving government and commercial customers with digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees.
Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, veteran or military status, or any other basis prohibited by law.
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