Location: Reston, VA
Experience Level: Mid to Senior Level
Clearance: Active Secret Clearance Required
Salary Range: 140,000 (Based on skills and experience)
At Data Machines , we leverage data analytics, DevSecOps, machine intelligence, and data science to engineer innovative solutions for our Federal Government, Department of Defense, and commercial customers. Our teams solve complex, mission-critical challenges using modern technology and secure engineering practices.
We are seeking an experienced UI/UX Programmer to design and build intuitive front-end web applications for mission-critical simulation, optimization, and decision-support software, including applications that incorporate probabilistic models of physical systems.
You will work closely with software developers, engineers, technical leads, and customer stakeholders to transform sophisticated requirements into clear, efficient digital experiences. The ideal candidate combines strong front-end engineering skills with excellent interaction design, data-visualization, and usability judgment, particularly for high-complexity and information-dense applications.
This position will be performed on-site in Reston, VA .
Minimum Qualifications
Active Secret security clearance.
U.S. citizenship required.
Bachelor’s degree in Computer Science, Software Engineering, Information Systems, Human-Computer Interaction, Digital Design, or a related field. Four additional years of relevant experience may be substituted for a bachelor’s degree.
5+ years of UI/UX development, front-end development, or software-engineering experience.
Strong proficiency with HTML, CSS, and JavaScript or TypeScript.
Experience with React, Angular, Vue, or another modern front-end framework.
Experience integrating front-end applications with REST APIs or other backend services.
Experience translating requirements, user workflows, or wireframes into functional software.
Familiarity with Git and Agile software-development environments.
Strong troubleshooting, analytical, problem-solving, and communication skills.
Ability to work on-site in Reston, VA.
Preferred Qualifications
Experience designing and building user interfaces with high complexity and information density.
Experience designing and building for LLM integration using Assistant UI, Model Context Protocol (MCP), or similar technologies.
Experience with React and TypeScript.
Experience with Spring Boot, Redux, or comparable front-end integration and state-management technologies.
Experience with UI component libraries, design systems, or reusable component frameworks.
Experience developing dashboards, analytics platforms, geospatial interfaces, or other data-intensive applications.
Experience with visualization technologies such as D3.js, Plotly, Chart.js, WebGL, OpenGL, or similar tools.
Experience with prototyping and design tools such as Figma, Adobe XD, Sketch, or similar platforms.
Experience with automated front-end testing, Linux environments, Docker, Kubernetes, CI/CD, or DevSecOps practices.
Ability to troubleshoot and optimize web applications for security, performance, compatibility, and responsive behavior.
Experience serving as a senior UI/UX developer, front-end lead, or technical lead.
Experience supporting Department of Defense or other Federal Government software programs.
Key Responsibilities
Design and build intuitive user interfaces for mission-focused web and software applications.
Translate complex user needs, technical requirements, data relationships, and operational workflows into effective UI/UX solutions.
Develop wireframes, prototypes, user flows, and interactive interface concepts.
Build and maintain reusable front-end components, visualization patterns, and design-system elements.
Collaborate with backend developers and software engineers to integrate user interfaces with APIs, services, data platforms, and LLM-enabled capabilities.
Design efficient workflows and visual hierarchies for high-complexity, information-dense applications.
Develop interfaces for simulation and optimization applications that clearly present probabilistic models, complex system behavior, and analytical results.
Conduct usability reviews and incorporate operational-user and stakeholder feedback into designs.
Troubleshoot and resolve front-end functionality, performance, visualization, and compatibility issues.
Participate in Agile planning, design reviews, demonstrations, technical discussions, testing, and validation.
Maintain UI/UX standards, documentation, reusable patterns, and design guidance.
This position is contingent upon contract award.