Software Engineer – Node.js / Go (Golang)

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

The Software Engineer will join a collaborative development team responsible for building, modernizing, and sustaining high-volume web applications that support essential government operations. This position focuses on maintaining application reliability, resolving complex technical issues, and delivering enhancements across a modern technology stack that includes React, Node.js, Go, and PostgreSQL.

• Troubleshoot and resolve software defects in high-volume web applications using React, Node.js, Go (Golang), and PostgreSQL.
• Develop, test, and implement software patches and enhancements while maintaining production application stability.
• Build and maintain automated tests to validate existing application functionality and support reliable software releases.
• Analyze and modify existing codebases, ensuring changes are implemented safely and efficiently.
• Maintain technical documentation, operational procedures, and system runbooks.
• Participate in an on-call support rotation following onboarding.