Senior Fullstack Developer Jobs in Chantilly, VA
Senior Fullstack Developer jobs in Chantilly, Virginia are concentrated in the Westfields Corporate Center, the Route 50 corridor, and the Dulles Technology Park, with strong demand across defense IT, cybersecurity, and enterprise SaaS. Employers actively hiring include Booz Allen Hamilton, VTG Defense, and Arcadia Strategy. See the openings below and apply to the ones that match your experience.
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Build modern applications that power mission success. NS2 Mission is seeking a Full Stack Software Developer to support a project in Chantilly, VA. In this role, you'll collaborate with a lead developer to enhance and maintain mission-critical applications, contributing across the full software development lifecycle—from backend services and APIs to modern, responsive user interfaces. If you enjoy building scalable applications and solving complex technical challenges, we'd love to hear from you.
Key Responsibilities
- Design, develop, and maintain full-stack software applications supporting mission objectives.
- Collaborate with the lead developer to design, implement, and enhance application functionality.
- Develop backend services and RESTful APIs using Python and modern web frameworks.
- Build and maintain responsive user interfaces using JavaScript, TypeScript, and modern front-end frameworks.
- Integrate applications with databases, APIs, and external software systems.
- Develop and execute unit and integration tests to ensure application quality and reliability.
- Deploy and support containerized applications within AWS cloud environments.
- Participate in code reviews, troubleshooting, and Agile development activities to continuously improve software quality and performance.
Required Qualifications
- 5–7 years of experience developing applications with Python.
- Hands-on experience with one or more Python web frameworks such as Flask, Django, or FastAPI.
- Experience developing unit and integration tests for software applications.
- Working knowledge of SQL and relational databases, including familiarity with SQLAlchemy or other ORM technologies.
- Experience developing front-end applications using JavaScript, TypeScript, and CSS.
- Experience with modern front-end frameworks such as React, Angular, or Vue.
- Experience building, deploying, and supporting containerized applications in AWS cloud environments.
Preferred Qualifications
- Experience designing and consuming RESTful APIs.
- Familiarity with Docker, Kubernetes, or other container orchestration technologies.
- Experience working within Agile software development environments.
- Strong problem-solving skills and the ability to collaborate effectively with cross-functional technical teams.
Position Clearance Requirement:
TS/SCI with an FSP
Please be aware, many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship
We win with inclusion
NS2 Mission’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.
NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: NS2Mission.Careers@sapns2.com.
Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.
Build modern applications that power mission success. NS2 Mission is seeking a Full Stack Software Developer to support a project in Chantilly, VA. In this role, you'll collaborate with a lead developer to enhance and maintain mission-critical applications, contributing across the full software development lifecycle—from backend services and APIs to modern, responsive user interfaces. If you enjoy building scalable applications and solving complex technical challenges, we'd love to hear from you.
Key Responsibilities
- Design, develop, and maintain full-stack software applications supporting mission objectives.
- Collaborate with the lead developer to design, implement, and enhance application functionality.
- Develop backend services and RESTful APIs using Python and modern web frameworks.
- Build and maintain responsive user interfaces using JavaScript, TypeScript, and modern front-end frameworks.
- Integrate applications with databases, APIs, and external software systems.
- Develop and execute unit and integration tests to ensure application quality and reliability.
- Deploy and support containerized applications within AWS cloud environments.
- Participate in code reviews, troubleshooting, and Agile development activities to continuously improve software quality and performance.
Required Qualifications
- 5–7 years of experience developing applications with Python.
- Hands-on experience with one or more Python web frameworks such as Flask, Django, or FastAPI.
- Experience developing unit and integration tests for software applications.
- Working knowledge of SQL and relational databases, including familiarity with SQLAlchemy or other ORM technologies.
- Experience developing front-end applications using JavaScript, TypeScript, and CSS.
- Experience with modern front-end frameworks such as React, Angular, or Vue.
- Experience building, deploying, and supporting containerized applications in AWS cloud environments.
Preferred Qualifications
- Experience designing and consuming RESTful APIs.
- Familiarity with Docker, Kubernetes, or other container orchestration technologies.
- Experience working within Agile software development environments.
- Strong problem-solving skills and the ability to collaborate effectively with cross-functional technical teams.
Position Clearance Requirement:
TS/SCI with an FSP
Please be aware, many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship
We win with inclusion
NS2 Mission’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.
NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: NS2Mission.Careers@sapns2.com.
Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.
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Senior Fullstack Developer Jobs in Chantilly: Frequently Asked Questions
How do I get a senior fullstack developer job in Chantilly?
Focus your search on the defense IT and federal contracting firms that anchor Westfields Corporate Center and the Dulles corridor, as they drive the bulk of senior fullstack developer hiring in Chantilly. Clearance eligibility, even at the Secret level, gives candidates a meaningful edge with local contractors. Experience with React, Node.js, or cloud-native AWS stacks aligns well with what Chantilly employers prioritize in senior roles.
Which companies hire senior fullstack developers in Chantilly?
Companies currently hiring senior fullstack developers in Chantilly include Booz Allen Hamilton, VTG Defense, and Arcadia Strategy, per current listings on Migrate Mate as of July 2026. The local market is dominated by federal IT contractors, defense integrators, and government-facing SaaS companies clustered near Dulles and along the Route 50 technology corridor.
Are there remote senior fullstack developer jobs in Chantilly?
Yes, remote and hybrid arrangements are common for senior fullstack developer roles given the desk-based, collaborative nature of the work. About 0% of senior fullstack developer openings tied to Chantilly are remote or hybrid as of July 2026, though positions requiring security clearances or classified system access typically require at least partial on-site presence at local facilities.
How can I get a senior fullstack developer job in Chantilly with little or no experience?
The most realistic entry path in Chantilly is landing a junior or mid-level fullstack developer role at one of the area's federal IT contractors or defense-adjacent software firms, many of which promote from within once you demonstrate familiarity with their stack. Building toward a clearance and contributing to government-facing projects makes candidates far more competitive for senior advancement in this specific market.
Which industries hire the most senior fullstack developers in Chantilly?
Most senior fullstack developer openings in Chantilly sit in Consulting & Professional Services and Technology & Software, per current listings on Migrate Mate as of July 2026. Chantilly's proximity to federal agencies and major intelligence community facilities makes defense contracting and government IT the dominant forces shaping local hiring demand for this role.
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