Expert Software Developer

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 software engineers and data engineers. The successful candidate will support continuity of our customer’s mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems. Primary Responsibilities Maintain, enhance, and extend a mission-critical web application that manages entitlement and access management workflows for the Sponsor. Design, implement, and modify workflow automation and processing logic to support evolving mission requirements. Develop new features and improvements across the full application stack, including both backend services and frontend user interface enhancements. Implement integrations with external enterprise systems using RESTful APIs and other service interfaces. Support modernization of legacy components as part of the development of the next-generation version of the application. Troubleshoot and resolve application issues through log analysis, debugging, and root-cause investigation. Develop and maintain database queries and data interactions using SQL. Deploy and operate applications within Amazon Web Services (AWS) environments, including supporting standard deployment and operational processes. Collaborate with system engineers, developers, and mission stakeholders to translate customer requirements into technical solutions. Participate in an Agile development environment, contributing to sprint planning, development, testing, and deployment activities. Required Quals Active TS/SCI clearance with Polygraph Master's degree and 15+ years of relevant software development experience Strong experience with object-oriented programming using languages such as Java, .NET, or similar Experience developing and maintaining web applications and backend services Experience integrating applications with external systems via RESTful APIs Experience writing and optimizing SQL queries and interacting with relational databases Experience working with source control systems such as Git Experience interpreting and implementing customer requirements in enterprise software systems Desired Quals Experience with IBM Business Automation Workflow (BAW), IBM BPM, or similar BPMN workflow platforms Experience developing systems that support identity, entitlement, or access management workflows Experience supporting legacy system modernization efforts 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: April 2, 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 www.Leidos.com. 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 spam.leidos@leidos.com. 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.