Senior Software Engineer – Go; Golang) Enhancement Lead

Description

Concept Solutions is seeking a Senior Software Engineer – Node.js Enhancement Lead to lead software engineering enhancements supporting mission-critical applications for a Department of War (DoW) customer. This position offers an opportunity to combine hands-on Node.js development with technical leadership, mentoring engineers, and delivering new capabilities across modern enterprise applications.

• Lead a small engineering team delivering new capabilities to production Node.js and React/Type Script applications, from design through release.
• Own technical design, code review standards, and release readiness for the team's backlog, partnering with Government product owners to shape and prioritize work.
• Deliver enhancements safely into live, mission-critical systems using automated testing, feature flags, and rehearsed rollback plans.
• Mentor engineers, establish high standards for code quality, and promote engineering best practices.
• Collaborate with sustainment, security, and platform teams to support reliable application delivery.

Requirements

• 7+ years of backend software engineering experience, including 4+ years building production services using Node.js (JavaScript and Type Script).
• Strong SQL experience, particularly PostgreSQL, and REST API design.
• Demonstrated experience leading a small engineering team through technical design, code reviews, and software releases in an Agile environment.

• Experience developing applications using React and Type Script.
• Experience with form-heavy or data-collection applications.
• Experience with containerized deployments using Amazon ECS or Kubernetes.
• Familiarity with AWS Gov Cloud.
• Experience delivering software in federal or other regulated environments with formal change control processes.
• Active Secret security clearance.

• Location:
  
  Remote
• 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.

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 and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That’s why we prioritize the wellbeing and growth of our employees,…