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Chantilly, VA, United States
Posted · 30.09.2026
SmartRecruiters (US)

# Software Developer (Expert)

SOSi

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. 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.

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