Base Salary
$87k - $157k/yr
Responsibilities
- Design, develop, test, and maintain backend application components using Java or Python.
- Develop and maintain RESTful services for application functionality and system integrations.
- Apply object-oriented design principles to build scalable and maintainable systems.
- Write and modify SQL queries and work with relational databases.
- Collaborate with internal and external teams to understand data sources, formats, access methods, and backend integration needs.
- Develop and troubleshoot applications in Linux-based environments.
- Implement data transformation, processing, business logic, and system workflows.
- Identify, debug, and resolve application defects and performance issues.
- Follow coding standards, participate in code reviews, and support documentation.
Requirements
- Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience, or a master's degree with 2–6 years of experience.
- U.S. citizenship.
- Active TS/SCI clearance and ability to successfully pass a polygraph.
- Professional experience developing object-oriented applications in Java or Python.
- Hands-on experience building and maintaining RESTful APIs.
- Basic to moderate SQL capability, including query writing and relational database work.
- Working knowledge of Linux-based environments.
- Ability to work independently on defined tasks within established technical frameworks.
- Preferred experience with Apache Airflow or similar workflow orchestration technologies.
- Preferred experience with Spring Boot, Django, or similar backend frameworks.
- Preferred exposure to CI/CD pipelines such as GitLab and Jenkins.
- Preferred familiarity with containerization technologies such as Docker and OpenShift.
- Preferred exposure to AWS or Azure cloud environments.
- Preferred experience working in Agile development environments.
Benefits
- Work supports a high-visibility, data-driven application used for analytics, reporting, and real-time decision-making.
- Potential work locations include Gaithersburg, Maryland; Chantilly and Alexandria, Virginia; Aurora, Colorado; St. Louis, Missouri; and Tucson, Arizona.
Categories
About Leidos
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.