Mid-Level Backend Software Engineer

- Backend Development: Design, develop, test, and maintain backend application components using Java or Python - REST API Development: Develop and maintain RESTful services to support application functionality and system integrations - Object-Oriented Programming: Apply object-oriented design principles to build scalable and maintainable systems - Database Development: Write and modify SQL queries to support application functionality and data retrieval - Data Source Collaboration: Collaborate with internal and external teams to understand data sources, formats, and access methods, and support integration into backend systems - Linux Environments: Develop and troubleshoot applications within Linux-based environments - Data Processing & Business Logic: Implement backend logic for data transformation, processing, and system workflows - Bug Fixing & Enhancements: Identify, debug, and resolve application-level defects and performance issues - Code Quality: Follow coding standards, participate in code reviews, and support documentation efforts

- 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 - US Citizenship - Active TS/SCI with the 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 experience with SQL capability, including writing queries and working with relational databases - Working knowledge of Linux-based environments - Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

- Experience with Apache Airflow or similar workflow orchestration technologies - Experience with Spring Boot, Django, or similar backend frameworks - Exposure to CI/CD pipelines (GitLab, Jenkins, etc.) - Familiarity with containerization (Docker, OpenShift) - Exposure to cloud environments (AWS or Azure) - Experience working in Agile development environments

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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers.

We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to)

responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.