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# JavaScript Developer Software Engineer SWE1| TS/SCI w/ MD POLY Security Clearance required

- **Company:** Capstone LLC
- **Location:** Hanover, MD, United States
- **Experience:** Experienced
- **Salary:** $150,000 - $170,000
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, JIRA, Unit Testing, Command-Line Interface, Code Review, Computer Engineering, Document Object Model, Software Engineering, TypeScript, Web Applications, Web Application Frameworks, Cypress (Programming Language), Gitlab, Git, Gitlab-ci, Information Technology, Npm(Software), Software Coding, Docker
- **Published:** November 12, 2026
- **Apply:** https://www.careerbuilder.com/job-details/javascript-developer-software-engineer-swe1-ts-sci-w-md-poly-security-clearance-required-hanover-md--b87c1633-b951-4d2e-ab3e-bc3a852e4113

## About the Role

JavaScript, Sensitive Compartmented Information (SCI), Top Secret Clearance, Security Clearance, Software Engineering, Java, Software Engineering, JavaScript, Internet Application, Team Player, * Possess working knowledge of JavaScript/DOM, Typescript, Node.js/npm,

 * Experience in AWS (ability to navigate AWS dashboards & services)
 * Hands on experience utilizing Docker (command line) and converting applications to Docker images
 * Experience utilizing Git (command line), GitLab CI and GitLab pipelines
 * Familiar with Jest, and Cypress
 * Working knowledge of JIRA and Gitlab
 * Experience developing functional and unit tests
 * Experience performing code reviews
 * Ability to work directly with customers
 * Troubleshooting skills
 * Ability to adhere to coding standards and follow team policies

Desired Skills:

 * Gather, analyze, and capture customer requirements
 * Adhere to development processes the team has established
 * Assist in the development of requirements for new features and fix defects
 * Create and expand unit tests
 * Knowledge of Microsoft Office JavaScript API
 * Track and respond to user issues/questions
 * Triage user issues
 * Test new software releases and merge requests
 * Experience working collaboratively with a team of developers, Contractors, and the Government
 * Contribute content for the development of high level documentation and guides
 * Strong, Time Management skills

Requires:

 * Security Clearance: TS/SCI with MD polygraph
 * 3 years software engineering experience
 * Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 7 years.

## Description

We are seeking a JavaScript Developer to work with a team of developers to implement new capabilities in support of the current classification marking tool and the tool to be used to support M365 web-based applications. Successful candidates will join a collaborative and innovative environment, and you will contribute to the design, implementation, and optimization of scalable solutions. The role offers exposure to advanced software development practices, including working with JavaScript, modern frameworks, and integration. The position entails working with current frameworks in a professional setting that values continuous technical advancement.