Concept Solutions, LLC is seeking a
Senior Software Engineer - Go (Golang) Enhancement Lead to lead a small engineering team responsible for enhancing, modernizing, and sustaining mission-critical applications supporting a Department of War (DoW) customer.
This is a hands-on technical leadership opportunity for an experienced Go developer who enjoys mentoring engineers, driving technical decisions, and delivering reliable software enhancements in a secure, mission-focused environment.
- Lead a small engineering team delivering new capabilities to production Go and React/TypeScript applications, from technical design through deployment.
- Own technical design, code review standards, and release readiness for the team's development backlog.
- Partner with Government product owners to shape requirements, establish priorities, and deliver enhancements aligned with mission needs.
- Ensure changes to live, mission-critical applications are delivered safely through automated testing, feature flags, and rehearsed rollback plans.
- Mentor engineers, promote software engineering best practices, and maintain high standards for code quality.
- Collaborate closely with sustainment, security, and platform teams to support reliable application delivery.
Requirements
- 7+ years of backend software engineering experience, including at least 3 years developing production services using Go (Golang).
- Strong experience with SQL, particularly PostgreSQL, and REST API design.
- Demonstrated experience leading a small engineering team through technical design, code reviews, and software releases in an Agile development environment.
Preferred Qualifications
- Experience with React and TypeScript.
- Familiarity with containerized deployments using Amazon ECS or Kubernetes.
- Experience working with AWS GovCloud.
- Experience delivering software in federal or other regulated environments with formal change control processes.
- Active Secret security clearance.
Work Location and Schedule
- Location: Hybrid. 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 is 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, including a customer demonstration each sprint.
- Travel: 0-10%, within the Washington, DC metropolitan area.
- Security Requirement: U.S. citizenship required. Must be eligible to obtain and maintain a DoW security clearance. An active Secret clearance or higher is strongly preferred and may allow an earlier start.
- Compensation: $170,000-$180,000 base salary, depending on experience.
This position is contingent upon contract award, with an anticipated start in October 2026.
Benefits: Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.
