Software Developer SME

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Developer will work with a large team of developers, software engineers, and data engineers. The Developer will be part of a team of developers that are building a new application that utilizes LLM to convert data and access policies from a variety of sources and formats into a uniform format for compliance assessment. The Developer works closely with product owners, business analysts, and other teams to translate business requirements into technical solutions. The Developer will analyze and decompose complex software systems and create designs for scalability, testability, and performance. Our work rhythm revolves around the Scrum agile framework to deliver incremental enhancements on a 2-week cycle. Developers actively participate in planning deliverables and grooming the Jira backlog. We rely on team collaboration to continually fine tune performance and ensure clear communication. Developers also participate in a team rotation of O&M responsibilities: They are required to be on-call for after-hours support approximately one week every three months. Required Qualifications: Active TS/SCI with Polygraph Master's degree 15+ years of experience. Additional experience in lieu of degree. Develop Java and/or Python applications that leverages Large Language Model (LLM) API calls Utilized Scrum agile techniques to manage workload and incrementally build out applications to meet customer requirements Leverage Amazon Web Services Experience creating RESTful API Ability to write custom scripts to install and configure code in EC2 instances Experience with defining system architectures and design of new features Knowledge of Git, Jenkins, or Rundeck Desired Qualifications: Exposure to foundation AI models such as GPT Familiarity with AI topics and concepts such as prompt engineering Experience with AI libraries such as LangChain or others Experience with DynamoDB, PostgreSQL, and other relational or NoSQL database platforms. Understanding of Identity Access Management (IAM) Concepts Experience with design patterns and best practices Experience building microservices Experience with integration testing frameworks Documented open source contributions, technical certifications, continued education FIP 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. Original Posting: July 13, 2026 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. Pay Range: Pay Range $154,050.00 - $278,475.00 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. Leidos Leidos is an industry and technology leader serving government and 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. For more information, visit Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to View email address on click.appcast.io. Commitment and Diversity 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, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.