Senior Full Stack Application Developer

Leidos; Bethesda, Tampa (MD, FL); Hybrid; USD 110,000 - 145,000; Full time

Job summary

Leidos is seeking a Senior Full Stack Application Developer in Bethesda, MD. This role involves supporting a critical platform for the Department of Defense (DoD), focusing on secure and scalable solutions.

Candidates should have over 8 years of full stack development experience, strong skills in front-end frameworks, and familiarity with cloud platforms. Position offers a hybrid work model with a focus on operational agility and program transparency.

Qualifications

• 8+ years of full stack development experience supporting web‑based applications.
• Experience with SQL/PostgreSQL and NoSQL databases.
• Must have Top Secret Clearance (TS/SCI Preferred or Eligible).

Responsibilities

• Develop and maintain scalable, secure full stack applications using modern frameworks.
• Collaborate with UI/UX designers, QA teams, and mission stakeholders.
• Build RESTful APIs and microservices for secure data pipelines.

Skills

Full stack development experience

Front-end frameworks (React, Angular, Vue.js)

C#, Node.js, .NET Core, Java, Python

SQL/PostgreSQL and NoSQL databases

DevSecOps, Git version control

Cloud platforms (AWS, Azure, GovCloud)

Application security, RBAC, API development

Education

Bachelor’s or Master’s degree in Computer Science, Information Systems, or related field

Tools

GitLab

Jenkins

Job description

Senior Full Stack Applicatoin 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.

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
• Must be able to

Required Skills & Experience

• 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 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

• 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

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.