Senior Full Stack/UI Developer

sosi1
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📍 Chantilly📍 Chantilly, VA, United States📍 VA📍 usFull time

About this role

Company Description

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

Job Description

SOSi is seeking skilled Senior Full Stack/UI Developer to support a US government customer in Chantilly, VA.

This role will be responsible for designing, developing, and maintaining cyber analytic applications. This role involves collaborating with cyber SMEs, data scientists, and engineers to translate complex technical requirements into responsive user interfaces and robust backend services. 

Qualifications

Minimum Requirements

  • Active in-scope TS/SCI clearance with poly. This security clearance requires U.S. citizenship. Candidates will not be nominated for new clearances.
  • 3–5 years of hands-on experience in full-stack and UI development, or equivalent practical experience, with a STEM degree (field such as computer science, statistics, data analytics, computer engineering, mathematics, etc.).
  • Experience building scalable and robust backend systems. 
  • Experience building user interfaces
  • Familiarity with AI/ML applications
  • Solid understanding of DevOps principles (automation, monitoring, reliability)

Preferred Qualifications

  • Experience in the US Intelligence Community.

Additional Information

Work Environment

  • Office setting with a combination of desk work and meetings.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.

Frequently Asked Questions

Is the salary disclosed for the Senior Full Stack/UI Developer position at sosi1?
The salary for this Senior Full Stack/UI Developer role at sosi1 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Full Stack/UI Developer position at sosi1 located?
This Senior Full Stack/UI Developer role at sosi1 is based in Chantilly, Chantilly, VA, United States, VA, us. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Full Stack/UI Developer role at sosi1 full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Full Stack/UI Developer role at sosi1.
How do I apply for the Senior Full Stack/UI Developer position at sosi1?
Click the "Apply Now" button on this page. You will be redirected to sosi1's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Senior Full Stack/UI Developer job at sosi1 posted?
This Senior Full Stack/UI Developer position at sosi1 was posted on Feb 17, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Full Stack/UI Developer
sosi1
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