Software Developer (Senior)
- Pay
- $102,414 – $212,706 per year
- Location
- Chantilly, VA · On-site
- Job type
- Full-time
- Level
- Senior
- Experience
- 7+ years
- Listed
- 30 days ago
Skills & highlights for this role
- TS/SCI clearance
- software development lifecycle
- COTS integration
- GOTS integration
- open-source integration
- code review
About the role
*Position is contingent upon contract award*
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Essential Job Duties
- Lead design and development of complex software solutions writing clean, efficient code.
- Mentor junior developers.
- Conduct architectural reviews.
- Integrate COTS, GOTS, and Open-Source components.
- Drive continuous improvement in development processes.
Qualifications
- Active in scope TS/SCI w/ Poly.
- Minimum 7+ years of relevant experience.
- Understanding of the Sponsor's technical environment.
- Experience in full lifecycle software engineering.
- Experience moving capabilities from development through testing to production environments.
Additional Information: Working Conditions
Office environment.
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.
About the Company
Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.
From SOSi's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
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Common questions
What is the salary for the Software Developer (Senior) role at SOSi?
The Software Developer (Senior) posting at SOSi states compensation of $102,414 – $212,706 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on SOSi's official career site.
Where is the Software Developer (Senior) job at SOSi located?
This Software Developer (Senior) position at SOSi is located in Chantilly, VA (On-site). Always check SOSi's application page for specific state eligibility or relocation policies.
What qualifications are required for Software Developer (Senior) at SOSi?
For the Software Developer (Senior) role, SOSi highlights 7+ years of relevant experience; experience with software development lifecycle, COTS integration, GOTS integration, open-source integration, code review. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Software Developer (Senior) position at SOSi?
This listing links directly to SOSi's SmartRecruiters application page. You can apply directly on SOSi's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the SmartRecruiters application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.