Senior Full Stack/UI Developer

SOS International LLC; Chantilly (VA); On-site; USD 102,000 - 213,000; Full time

Job summary

SOSi is seeking a Senior Full Stack/UI Developer to support a US government customer in Chantilly, VA. The role designs, develops, and maintains cyber analytic applications, collaborating with cyber SMEs, data scientists, and engineers to translate complex requirements into responsive user interfaces and robust backend services.

Qualifications include active TS/SCI clearance with poly, US citizenship, 3–5 years hands-on full-stack and UI development, and experience building scalable back-end

Qualifications

• Active TS/SCI clearance with poly and US citizenship required.
• 3–5 years hands-on full-stack and UI development experience with a STEM degree.
• Experience building scalable backend systems and user interfaces.
• Familiarity with AI/ML applications.
• Solid understanding of DevOps principles (automation, monitoring, reliability).

Responsibilities

• Design, develop, and maintain cyber analytic applications.
• Collaborate with cyber SMEs, data scientists, and engineers to translate complex requirements into responsive UIs and robust backend services.

Skills

Full-stack development

UI development

DevOps

AI/ML familiarity

Backend scalability

Education

STEM degree

Job description

Chantilly, VA, USA

Full-time

Clearance Requirement: Top Secret SCI w/ Poly

Compensation: USD 102414 - USD 212706 - yearly

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.

SOSi is an equal employment opportunity employer and affirmative action employer. All interested individuals will receive consideration and will not be discriminated against on the basis of race, color, religion, sex, national origin, disability, age, sexual orientation, gender identity, genetic information, or protected veteran status. SOSi takes affirmative action in support of its policy to advance diversity and inclusion of individuals who are minorities, women, protected veterans, and individuals with disabilities.