> Markdown version of [/jobs/ext/1488702-front-end-software-engineer-ts-sci-with-poly-required](https://www.wearedevelopers.com/jobs/ext/1488702-front-end-software-engineer-ts-sci-with-poly-required). 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). --- # Front-End Software Engineer (TS/SCI with Poly Required) - **Company:** GCI, Inc. - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Cascading Style Sheets (CSS), Computer Engineering, Linux, Elasticsearch, MongoDB, Node.Js, Software Engineering, Software Systems, Systems Integration, Web Applications, Git, Syntactically Awesome Style Sheets (SASS), AngularJS, Information Technology, Front End Software Development, Software Version Control - **Published:** July 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9064800/front-end-software-engineer-tssci-with-poly-required ## About the Role * Bachelor's Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. * 8 to 10 years of related software development experience., * Extensive experience with Angular * Expert knowledge of Javascript, HTML, and CSS. * Experience designing complex search interfaces. * Experience in optimizing web applications for performance and usability. * Experience with integrating with third part APIs. * Proficient understanding of code versioning tools, such as Git * Experience with Linux operating systems DESIRED QUALIFICATIONS * Experience with SASS or LESS. * Hands-on experience working with NodeJS, MongoDB * Familiarity constructing ElasticSearch queries *A candidate must be a US Citizen and able to obtain TS/SCI with Polygraph clearance. ## Description The Front-End Software Engineer will design and develop complex new software products, or make significant enhancements to existing software. The ideal candidate is a hands-on developer with significant experience in building modular, reusable components and features. They must have extensive, firsthand technical expertise in a modern front-end framework. They must be at ease working in an Agile environment with little supervision. This person should embody a passion for continuous improvement and innovation., * Build reusable components that align with the system design patterns. * Optimize application for maximum speed and scalability. * Participate in team design and code reviews. * Collaborate with a small team of engineers and designers to understand business requirements and user experience goals. * Provide recommendations for continuous improvement. * Provide ongoing maintenance, support, and enhancements in existing systems and platforms. * Troubleshoots complex problems and provides customer support for software systems and application issues. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [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) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Explore new web features before everyone else](https://www.wearedevelopers.com/videos/316-explore-new-web-features-before-everyone-else) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 139 - Soft and hard queries](https://www.wearedevelopers.com/magazine/487-dev-digest-139-soft-and-hard-queries) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)