Associates Software Engineer – Go; Golang

Concept Solutions, LLC (CS) is seeking a Software Engineer – Go (Golang) to support a mission-critical application modernization program for a Department of War (DoW) customer.

This program focuses on modernizing and streamlining access across a portfolio of production applications by creating a unified platform with single sign-on, a centralized work environment, and a repeatable approach for integrating applications. The team will also maintain and support existing applications to ensure continued operational stability throughout modernization.

This is an excellent opportunity for an early-career software engineer to strengthen their Go development skills, collaborate with experienced engineers, and contribute to a high-impact federal modernization initiative.

• Troubleshoot and resolve software defects in applications developed using Go and React/Type Script under the guidance of senior engineers.
• Develop, execute, and maintain software tests to support application quality and reliability.
• Participate in application patching cycles, software releases, and ongoing sustainment activities.
• Collaborate with senior engineers and team members to support production applications and resolve technical issues.
• Gradually transition into the team's on-call support rotation following onboarding and training.

• 1+ years of backend software engineering experience using Go (Golang); OR
• 2+ years of backend development experience in another strongly typed programming language, with demonstrated Go projects.

Preferred Qualifications

• Experience with PostgreSQL.
• Familiarity with container technologies.
• Active Secret security clearance.

Work Location and Schedule

• Location:
  
  Hybrid. Based at Concept Solutions' Reston, VA headquarters and approved remote locations within the United States, with on-site work at government facilities in Northern Virginia and Maryland as required. Government-furnished equipment will be used for all access to government environments.
• Schedule:
  
  Full-time, 40 hours per week, Monday through Friday, with core hours of 9:00 a.m. to 3:00 p.m. Eastern. The team operates in two-week sprints, with a customer demonstration at the end of each sprint.
• Travel: 0–10%, within the Washington, DC metropolitan area.
• Security Requirement: U.S. citizenship required. Candidates must be eligible to obtain and maintain a DoW security clearance. An active Secret clearance or higher is strongly preferred and may allow for an earlier start.
• Compensation: $100,000–$110,000 annually, depending on experience.

Contract Status:
This position is contingent upon contract award, with an anticipated start in October 2026.

Company Profile:

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

• Over two decades of experience across over $300 million in contract awards supporting critical FAA programs
• Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies
• Innovation Council - CS maintains an active Internal Research…