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Software Developer; Expert

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: SOS International LLC
Full Time position
Listed on 2026-10-17
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 190000 - 230000 USD Yearly USD 190000.00 230000.00 YEAR
Job Description & How to Apply Below
Position: Software Developer (Expert)

Chantilly, VA, USA

Full-time

Clearance Requirement:
Top Secret SCI w/ Poly

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
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 tool chains, frameworks, and methodologies.
Qualifications
  • 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.
Additional Information
Work Environment
  • Normal office conditions.
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.

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