Senior Go/Node Backend Engineer (Remote) - TS Clearance

CONCEPT SOLUTIONS LLC; Virginia; Remote; USD 140,000 - 210,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

401(k) with company match

Job summary

Concept Solutions LLC is seeking an experienced Senior Software Engineer with Go/Node.js to build, modernize, and sustain mission-critical applications for a Department of War customer. You will develop, enhance, and maintain backend services and public-facing web apps while supporting secure cloud operations and modernization initiatives.

The ideal candidate has 7+ years in backend engineering, production experience with Node.js or Go, and strong SQL/PostgreSQL skills, plus React/TypeScript and

Qualifications

• 7+ years of backend software engineering experience.
• 3+ years of production experience with Node.js or Go.
• Hands-on SQL and PostgreSQL experience.
• Experience with cloud environments, including AWS GovCloud.
• Experience with React and TypeScript.
• Experience with OIDC or SAML identity providers.
• Current Tier 5 investigation or Top Secret clearance.

Responsibilities

• Sustain and enhance high-volume, public-facing web applications, applying security patches and delivering releases under change control.
• Develop backend services in Node.js and Go, with React/TypeScript front-end interfaces and PostgreSQL databases.
• Support containerized deployments in cloud environments and integrate with identity providers.
• Maintain technical documentation, runbooks, and sustainment procedures for applications.
• Participate in on-call rotations to support production availability and incident resolution.
• Identify and remediate security findings and keep dependencies current.
• Collaborate with engineering and operations to ensure reliability, performance, and security.

Skills

Backend engineering

Node.js

Go

Production support

React/TypeScript

AWS GovCloud

OIDC/SAML

Security/compliance

Incident response

Tools

PostgreSQL

SQL

Cloud deployments

Containerization

Job description

Concept Solutions LLC is seeking an experienced Senior Software Engineer with Go/Node.js to build, modernize, and sustain mission-critical applications for a Department of War customer. You will develop, enhance, and maintain backend services and public-facing web apps while supporting secure cloud operations and modernization initiatives.

The ideal candidate has 7+ years in backend engineering, production experience with Node.js or Go, and strong SQL/PostgreSQL skills, plus React/TypeScript and