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# Senior Front End Software Engineer

- **Company:** Two Six Technologies
- **Location:** Arlington, VA, United States
- **Experience:** Expert
- **Salary:** $125,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** Component-Based Software Engineering, Code Review, Software Debugging, Linux, Design of User Interfaces, Python (Programming Language), OpenLayers, Software Engineering, Web Applications, WebSocket, Tailwind, ReactJS, Backend, Git, Fastapi, Vue.js, Containerization, Kubernetes, Information Technology, Front End Software Development, Restful APIs, Docker
- **Published:** September 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9140401/senior-front-end-software-engineer

## About the Role

Two Six Technologies is looking to add a Senior Front End Software Engineer to our team building a next generation global-scale networking situational awareness and command and control platform. In this role you would be specifically focused on designing, implementing, and testing user interfaces. The candidate should have a track record demonstrating the ability to research new technologies, document and propose designs to team members, quickly prototype solutions, and, ultimately, produce dependable and testable commercial-grade code. This position focuses on front-end development but also may allow for some back-end development using gRPC and similar frameworks.

The role will be located in our Arlington, VA headquarters at least 4-5 days per week, and may involve some light travel when transitioning products., * Bachelor's degree in Computer Science, EE, or related field and 5 years of relevant experience; comparable relevant experience without a degree will be considered.

 * 5+ years of professional front end software development experience with component-based frameworks
 * Strong familiarity with Vue or React
 * Familiarity with geospatial JS libraries such as Cesium or OpenLayers
 * Familiarity with standard Linux software engineering tools, e.g., git, gcc, make
 * Ability to obtain and maintain a government clearance

Nice If You Have:

 * Experience with WebSocket or Server Sent Events
 * Experience with Tailwind CSS
 * Experience with REST API or FastAPI
 * Experience with Go and Python
 * Experience with Docker, Podman, Kubernetes, or other containerization tools
 * An active DoD clearance (Secret or above)

Clearance Qualifications:

 * Ability to obtain and maintain required security clearance up to TS/SCI

## Description

* Develop frontend features in a modern web component-based framework such as Vue or React
 * Work with users and teammates to implement new features and debug issues
 * Work closely with design and program managers to implement responsive, modular, and event-driven designs
 * Work closely with the testing team to establish comprehensive testing strategies to increase our confidence delivering, maintaining and operating a high quality product
 * Be comfortable designing and developing full sections of functionality given broad requirements, including identifying and handling of edge cases and error states
 * Follow provided UI/UX designs/mockups and be comfortable suggesting improvements, designing and implementing while handling of edge cases and error states given a broad intent
 * Participate on code reviews and ensure high-quality, modular, and reusable code
 * Stay up to-date with industry trends and emerging technologies, applying this knowledge to improve our system


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