Remote Senior Software Engineer (Go/Node) – Cloud, Security

CONCEPT SOLUTIONS LLC; Virginia; Remote; USD 140,000 - 190,000; 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 to join a team responsible for building, modernizing, and sustaining mission-critical applications for a DoD customer. The role focuses on backend development with Node.js or Go, supporting high-volume public-facing applications and secure cloud operations.

You will work on backend services with Node.js/Go, React/TypeScript front-ends, and PostgreSQL, while ensuring reliability, security, and scalable software delivery.

Qualifications

• 7+ years of professional backend software engineering experience, including at least 3 years of production experience with Node.js (JavaScript/TypeScript) or Go (Golang).
• Hands-on experience with SQL and PostgreSQL databases.
• Experience operating and supporting production applications in cloud environments.
• Demonstrated ability to troubleshoot production issues, implement fixes, and support application releases.

Responsibilities

• Sustain and enhance high-volume, public-facing web applications, resolving defects, applying security patches, and delivering releases under formal change control processes.
• Develop and maintain backend services using Node.js and Go, with React/TypeScript front-end applications and PostgreSQL databases.
• Support containerized application deployments in cloud environments.
• Collaborate with engineering and operations teams to ensure application reliability, performance, and security.

Skills

Backend development

Node.js

Go

PostgreSQL

Cloud deployments

Production troubleshooting

Agile methodology

Tools

AWS GovCloud

OIDC

SAML

Job description

Concept Solutions LLC is seeking an experienced Senior Software Engineer to join a team responsible for building, modernizing, and sustaining mission-critical applications for a DoD customer. The role focuses on backend development with Node.js or Go, supporting high-volume public-facing applications and secure cloud operations.

You will work on backend services with Node.js/Go, React/TypeScript front-ends, and PostgreSQL, while ensuring reliability, security, and scalable software delivery.