> Markdown version of [/jobs/ext/1420775-ui-developer](https://www.wearedevelopers.com/jobs/ext/1420775-ui-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# UI Developer

- **Company:** Two Six Technologies
- **Location:** Aurora, CO, United States
- **Experience:** Experienced
- **Salary:** $121,986.0 - $182,979.0
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Systems Engineering, JIRA, Unit Testing, Bootstrap (Software), Cascading Style Sheets (CSS), Information Systems, D3.Js, Software Design Patterns, E2e Testing, Software Engineering, TypeScript, User Interface Testing, User-Centered Design, Web Application Frameworks, RxJS, Cypress (Programming Language), Git, Information Technology, Figma, Front End Software Development, JestJS, Jasmine
- **Published:** July 24, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9055710/ui-developer

## About the Role

* 5 or more years of practical experience in software engineering
 * Minimum 2 years of JavaScript/TypeScript experience
 * Bachelor's degree in Systems Engineering, Computer Science, Information Systems, or a related discipline from an accredited college or university
 * Experience with the following technologies:
 * Experience working in collaborative team environments

Nice to haves:

 * Experience with JavaScript unit testing (e.g., Jasmine, Karma, or Vitest) and end-to-end testing (e.g., Cypress)
 * Experience using Git and Jira in a development workflow
 * Experience working in an agile environment
 * Experience with web visualization frameworks such as D3.js or Cesium
 * Experience with SCSS and Bootstrap
 * Knowledge of observer design patterns utilizing RxJS or a similar library
 * Knowledge of user-centered design principles and experience with Sketch/Figma or equivalent design tools

Security Clearance:

 * Active TS/SCI required. TS/SCI w. Poly preferred

## Description

Two Six Technologies is actively seeking a Front-End Developer motivated to learn and contribute to a growing team that is solving complex problems for our intelligence community. We work in a fast-paced, collaborative, inclusive, and iterative delivery environment. A successful candidate will be familiar with and interested in working with UI web application frameworks and UI testing. This position offers the opportunity to provide robust and comprehensive UI features to serve an enterprise level tool supporting users across the IC and the DoW.


## Related Videos

- [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94)
- [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks)
- [How to Create New RxJS Operators](https://www.wearedevelopers.com/videos/683-how-to-create-new-rxjs-operators)
- [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook)
- [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews)
- [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company)

## Related Articles

- [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers)
- [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025)
- [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)