Backend Software Engineer

Description

If you’ve spent the last few years building your expertise in backend engineering, Java or Python development, and mission-driven systems, and you’re ready for work that actually moves the needle, this is the opportunity for you. You’ll join a high-impact team to deliver real results and work with leaders who care about outcomes.

We’re hiring a Backend Software Engineer to support a high-visibility application relied on across the organization for data analysis, reporting, and operational decision-making. You’ll design and build scalable backend services, develop RESTful APIs, integrate complex data sources, and ensure system reliability and performance in a Linux-based environment.

• Backend Development: Design, develop, test, and maintain backend services using Java or Python

• REST API Development: Design and implement RESTful services to support application functionality and integrations

• Object-Oriented Design: Apply strong object-oriented design principles to build scalable and maintainable systems

• Database Development: Write and optimize SQL queries to support application functionality and performance

• Data Source Integration Coordination: Coordinate with external teams to understand data sources, interfaces, and access patterns, and translate requirements into backend integrations

• System Design Contribution: Participate in technical design discussions and contribute to backend architecture decisions

• Linux Environments: Develop, deploy, and troubleshoot applications within Linux-based environments

• System Troubleshooting: Diagnose and resolve issues across application and database layers

• Code Quality & Best Practices: Participate in code reviews and ensure adherence to engineering standards

• Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8–12 years of experience; or a Master’s degree with 6–10 years of experience

• U.S. Citizenship

• Active TS/SCI clearance with the ability to successfully pass a Polygraph

• Strong professional experience developing backend applications in Java or Python

• Proven ability to design and develop RESTful APIs that support scalable application functionality

• Solid SQL experience, including writing and optimizing queries across relational databases

• Confident working in Linux-based environments

• Ability to work independently and drive solutions to moderately complex and complex technical challenges

• Experience with Apache Airflow or similar workflow orchestration technologies

• Experience with geospatial data and querying (e.g., PostGIS)

• Experience with Spring Boot, Django, or similar backend frameworks

• Experience with CI/CD pipelines (Git Lab, Jenkins, etc.)

• Familiarity with containerization (Docker, Open Shift, Kubernetes)

• Exposure to cloud environments (AWS or Azure)

• Experience working in Agile development environments

EEO/Compliance
:
All 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, or any other basis prohibited by law. Leidos will also consider qualified applicants with criminal histories for employment in accordance with relevant laws.