Senior Full Stack Application Developer

Description Weu2019re 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. Key Responsibilities + 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 DevSecOps pipeline integration and CI/CD automation Required Skills & Experience + Top Secret Clearance (TS/SCI Preferred or Eligible ) + 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 NoSQL databases + Knowledge of DevSecOps, Git version control, and CI/CD tools (GitLab, Jenkins, etc.) + Working knowledge of cloud platforms (AWS, Azure, or GovCloud) + Strong understanding of application security, RBAC, and API development + Experience working within DoD or federal IT environments Nice to Have + Bacheloru2019s or Masteru2019s 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 At Leidos, we donu2019t want someone who

Created: 2026-01-12