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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior UI/UX Software Engineer - Chantilly, VA - **Company:** ICR LLC - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $140,000.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Clean Code Principles, Unit Testing, Big Data, Configuration Management, Computer Engineering, Continuous Integration, Software Debugging, Linux, Distributed Systems, Protocol Buffers, Design of User Interfaces, Human-Computer Interaction, JSON, OAuth, OpenLayers, Software Engineering, TypeScript, Web Applications, Web Services, WebSocket, Website Wireframe, Openapi, Tailwind, Gitlab, Git, AngularJS, Information Technology, Restful APIs, Software Version Control, Devsecops, Service Stack, Microservices - **Published:** July 30, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f7a734d537f9b9a5 ## About the Role Applications will be reviewed on a rolling basis. ICR is seeking experienced and motivated Senior UI/UX Software Engineers to help design and deliver mission-critical applications for our customer., * Active Top Secret clearance with SCI access (U.S. citizenship required). * Strong experience with the full software development lifecycle and associated tools. * Extensive experience developing modern, web-based user interfaces using frameworks such as Angular, Tailwind, and MapLibre. * At least 10 years of experience integrating web services using RESTful APIs and/or WebSockets. * At least 10 years of experience developing software on Linux systems. * Experience with authentication and authorization technologies (e.g., JWTs, OAuth). * Ability to break down large tasks into iterative, achievable efforts. * Strong understanding of development best practices, configuration management, and testing. * Demonstrated ability to learn new tools and frameworks and adapt to evolving requirements. * Ability to work independently, developing approaches and subtasks from general guidance. Preferred Skills and Qualifications * Bachelor's degree in Computer Science, Computer Engineering, or Electrical Engineering. * Experience with distributed software version control systems and continuous integration (e.g. Git, GitLab-Pipelines). * Experience with schema languages for describing data and services (e.g. JSON Schema, OpenAPI, Protocol Buffers). * Experience working with geospatial libraries such as Cesium, OpenLayers or MapLibre. * Experience working with large data sets. * Strong proficiency with Angular and TypeScript. * Experience debugging distributed systems. ## Description As a Senior UI/UX Software Engineer, you will play a lead role in designing, developing, and deploying modern applications within an agile, DevSecOps-enabled environment. You will work closely with a team of skilled engineers to build solutions that support a mission-critical customer application. This position provides opportunities for technical leadership, mentorship, and the ability to focus on UI/UX efforts or expand into the full microservices architecture. Candidates will work with a modern technology stack and have opportunities to continually expand their skills. Whether focusing primarily on UI/UX engineering or contributing across the microservice architecture, this role offers room for both specialization and growth., * Develop intuitive, responsive, and modern web-based user interfaces. * Research, design, develop, and test software applications for a variety of systems. * Gather and understand customer and operational requirements to implement new functionality. * Develop unit tests to validate critical aspects of the system. * Document and communicate complex technical concepts to both technical and non-technical audiences. * Design and review user interface concepts, wireframes, and mockups to ensure clean, consistent, and user-centered experiences. * Collaborate with developers, designers, and product stakeholders to refine UX workflows. ## Related Videos - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [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) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Designing UX for SRE Agents in High-Stakes Incidents](https://www.wearedevelopers.com/videos/100003-designing-ux-for-sre-agents-in-high-stakes-incidents) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)