Associate Software Engineer - Node.js / Go (Golang)

Description Concept Solutions, LLC (CS) is seeking an

Associate Software Engineer – Node.js / Go (Golang)

to support a mission-critical application modernization and sustainment program for a Department of War (DoW) customer. In this role, you will collaborate with experienced software engineers to develop, enhance, and maintain enterprise web applications that support critical federal operations. This is an excellent opportunity for an early-career developer to expand their technical expertise in Node.js, Go, and modern web technologies while contributing to a collaborative Agile development environment. Troubleshoot and resolve software defects in web applications using React front ends and Node.js and Go backend services under the guidance of senior engineers. Develop, execute, and maintain automated tests to improve application quality, functionality, and reliability. Participate in software patching, maintenance cycles, and application releases. Collaborate with senior engineers and development team members to support ongoing application modernization and sustainment activities. Transition into the team's on-call support rotation following onboarding and training. Requirements At least 1 year of backend software engineering experience using Node.js (JavaScript/TypeScript) or Go (Golang); OR At least 2 years of backend development experience using another strongly typed programming language, with demonstrated Node.js or Go projects. Preferred Qualifications Experience with PostgreSQL databases. Familiarity with container technologies. Active Secret security clearance. Work Location and Schedule 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, 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. 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, fostering a positive culture centered on innovation, engagement, and career development. 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. Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.