Software Developer (Expert)
SOSi · On site, Chantilly, US
Posted Sep 30, 2026
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About the job
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.
*Position is contingent upon contract award*
SOSi is seeking a Software Developer to support our government customer in Chantilly, VA.
Essential Job Duties
- Serves as a key technical resource providing expert-level guidance on software architecture, performance optimization, and advanced engineering techniques.
- Lead technical strategy across development teams.
- Establish coding standards and best practices.
- Drive innovation in development toolchains, frameworks, and methodologies.
- Active in scope TS/SCI w/ Poly.
- Minimum 15+ years of relevant experience.
- Expertise in enterprise system design and implementation.
- Experience in integrating complex systems across multiple environments including the Sponsor's commercial cloud environments.
Work Environment
- Normal office conditions.
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.