Software Developer (Senior) at SOSi in Chantilly, VA, United States
- Company: SOSi
- Location: Chantilly, VA, United States
- Posted: Sep 23, 2026
- Type: Full-time
- Salary: USD 102,414 - USD 212,706 - yearly
- Experience: 7+ years
Overview
*Position is contingent upon contract award* SOSi is seeking a Software Developer to support our government customer in Chantilly, VA. Lead design and development of complex software solutions writing clean, efficient code.
Job description
- *Position is contingent upon contract award*
- SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Responsibilities
- 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.
Requirements
- 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.
Skills
Required
- Active in scope TS/SCI w/ Poly
About SOSi
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.