Entry Level -Software Developer - Web Development

CONCEPT SOLUTIONS LLC; Virginia Beach (VA); Remote; USD 140,000 - 190,000; Full time

Job summary

Concept Solutions LLC is hiring a Senior Software Engineer to build, modernize, and sustain mission-critical applications for a DoW customer. You will focus on backend services in Node.js or Go, supported by React/TypeScript front-ends and PostgreSQL, with cloud deployments and on-call support.

Security, reliability, and scalable design are essential. The role requires 7+ years in backend development, production experience with Node.js or Go, and familiarity with AWS GovCloud and identity

Qualifications

• 7+ years of backend software engineering experience, including 3+ years with Node.js or Go in production.
• Hands-on SQL and PostgreSQL experience for data persistence and reporting.
• Experience operating and supporting production applications in cloud environments.
• Ability to troubleshoot production issues and support releases in a fast-paced setting.
• Experience with React and TypeScript in front-end integration scenarios.
• Experience in AWS GovCloud environments and identity provider integrations (OIDC/SAML).
• Current eligibility for security clearance (Tier 5 investigation or Top Secret).

Responsibilities

• Sustain and enhance high-volume, public-facing web applications with security patches and releases.
• Develop and maintain backend services in Node.js and Go; collaborate with React/TypeScript front-ends and PostgreSQL.
• Support containerized deployments in cloud environments and run on-call rotations for production support.
• Integrate applications with identity providers and shared platform services for secure functionality.
• Maintain runbooks, documentation, and sustainment procedures; address vulnerabilities and dependences.

Skills

Node.js

Go

React

TypeScript

PostgreSQL

Cloud environments

Tools

AWS GovCloud

OIDC

SAML

Job description

Job Overview

Concept Solutions, LLC (CS) is seeking an experienced Senior Software Engineer - Go / Node.js to join a team responsible for building, modernizing, and sustaining mission-critical applications for a Department of War (DoW) customer. In this role, you will develop, enhance, and maintain high-volume, public-facing applications while supporting secure cloud operations and application modernization. The ideal candidate brings strong backend engineering expertise in Node.js or Go, experience supporting production applications, and a commitment to delivering reliable, secure, and scalable software solutions.

Key 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. Integrate applications with identity providers and shared platform services to enable secure, seamless functionality. Maintain technical documentation, operational runbooks, and application sustainment procedures. Participate in on-call rotations to support production application availability and incident resolution. Identify and remediate security findings, address vulnerabilities, and maintain current software dependencies. Collaborate with engineering and operations teams to ensure application reliability, performance, and security.

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.
• Production development experience with both Node.js and Go.
• Experience with React and TypeScript.
• Experience supporting applications in AWS GovCloud environments.
• Experience integrating applications with identity providers using OIDC or SAML.
• Current favorably adjudicated Tier 5 investigation or active Top Secret clearance, enabling immediate privileged access.
• Candidate must hold a current favorably adjudicated Tier 5 investigation or Top Secret clearance or be eligible to obtain one.

Location & Schedule

Location: Remote. Schedule: Full-time, 40 hours per week, Monday through Friday, with core hours of 9:00 a.m. Work follows two-week Agile sprints, including customer demonstrations each sprint. Travel: 0-10%, within the Washington, DC metropolitan area.

About Concept Solutions

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. 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.

Benefits

• We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Equal Opportunity

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity.

We 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.