Senior Full Stack Application Developer

We’re looking for an experienced Senior Full Stack Applicatoin Developer to support a Contract Management Tool, a mission‑critical platform designed to modernize financial planning, execution tracking, and audit readiness for the Department of Defense (DoD). This developer will be responsible for designing, building, and maintaining secure full‑stack solutions that support program transparency, fiscal responsibility, and operational agility.

• Develop and maintain scalable, secure full stack applications using modern frameworks and cloud technologies
• Collaborate with UI/UX designers, QA teams, and mission stakeholders to define, develop, and implement financial tool capabilities
• Integrate with DoD financial management systems and ensure data compliance with government regulations
• Build RESTful APIs and microservices that ensure clean, secure data pipelines
• Apply secure coding practices in accordance with DoD STIGs and RMF guidelines
• Implement role-based access controls and maintain system integrity through audit-compliant design
• Participate in Agile sprint cycles, code reviews, testing, and release processes
• Support Dev Sec Ops  pipeline integration and CI/CD automation

• Top Secret Clearance (TS/SCI Preferred or Eligible )
• This is a hybrid on-site and remote position.
• 8+ years of full stack development experience supporting web-based applications
• Strong experience with front‑end frameworks (React, Angular, or Vue.js)
• Back‑end expertise with C#, Node.js, .NET Core, Java, or Python
• Experience with SQL/PostgreSQL and No
  
  SQL databases
• Knowledge of Dev Sec Ops , Git version control, and CI/CD tools (Git Lab, Jenkins, etc.)
• Working knowledge of cloud platforms (AWS, Azure, or Gov Cloud)
• Strong understanding of application security, RBAC, and API development
• Experience working within DoD or federal IT environments

• Bachelor’s or Master’s degree in Computer Science, Information Systems, or related field
• Familiarity with DoD budgeting processes (e.g., POM, O&M, RDT&E)
• Experience developing financial or audit‑traceable platforms
• Understanding of STIGs, ACAS scanning, RMF documentation, and system hardening
• Prior work on software tools used for budget forecasting, contract execution, or manpower allocation

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 at

Pay Range $ – $

About 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

Commitment to Non-Discrimination 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.