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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile UI/UX Developer - **Company:** Yulista - **Location:** Falls Church, VA, United States - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Adobe InDesign, Application Programming Interfaces (APIs), Agile Methodology, JIRA, Microsoft Azure, Browser Compatibility, Design of User Interfaces, Human-Computer Interaction, Interaction Design, Responsive Web Design, Software Engineering, User-Centered Design, Web Content Accessibility Guidelines, Website Wireframe, Enterprise Software Applications, Power Platform Integration, Information Technology, Figma, Front End Software Development, Api Design - **Published:** September 17, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88354099/1 ## About the Role * Experience supporting the Department of Justice (DOJ), EOIR, or other Federal civilian agencies. * Experience designing and developing user interfaces for enterprise application modernization or digital transformation initiatives. * Experience with responsive web and mobile-first design principles. * Experience with modern front-end development technologies and frameworks. * Experience developing wireframes, mockups, prototypes, user flows, and interactive designs. * Knowledge of user-centered design, usability, information architecture, and interaction design principles. * Experience translating business processes and functional requirements into intuitive digital experiences. * Knowledge of Section 508 accessibility requirements and Web Content Accessibility Guidelines (WCAG). * Experience conducting or supporting usability testing and incorporating user feedback into iterative designs. * Familiarity with Microsoft-based application environments, including Microsoft 365 and Power Platform solutions. * Familiarity with API-driven applications and integration of front-end components with back-end services. * Experience with design and prototyping tools such as Figma or similar platforms. * Experience working within Agile software development environments. * Familiarity with Azure DevOps, Jira, or similar development and work management tools. * Strong analytical, communication, and problem-solving skills. * Ability to effectively collaborate with business, functional, technical, and Government stakeholders., * Must be a US Citizen. * Must be able to successfully obtain and maintain the appropriate Department of Justice (DOJ) Public Trust Investigation (PTI) as required for the position. * Bachelor's degree from an accredited college or university and relevant professional experience in user experience design, user interface development, software development, information technology, human-computer interaction, or a related discipline. * Ability to successfully pass a pre-employment drug test and background check. ## Description The Mobile UI/UX Developer provides user interface, user experience, and front-end development support for enterprise application modernization efforts supporting the Executive Office for Immigration Review (EOIR). This individual is responsible for designing, developing, testing, and refining responsive and mobile-accessible user experiences that support Government business processes and operational requirements. The Mobile UI/UX Developer works closely with Government stakeholders, business analysts, functional subject matter experts, developers, solution architects, and testing personnel to translate approved business and functional requirements into intuitive, accessible, and user-centered interfaces. This individual supports the user experience lifecycle from requirements analysis and prototyping through development, usability validation, testing, deployment, and continuous improvement., * Design, develop, test, and maintain responsive and mobile-accessible user interfaces for enterprise applications. * Translate approved business, functional, and user requirements into intuitive user experiences, interface designs, and front-end functionality. * Develop wireframes, mockups, prototypes, user flows, and other design artifacts to communicate proposed user experiences. * Collaborate with Government stakeholders, business analysts, and Functional SMEs to understand user needs, operational workflows, and usability requirements. * Apply user-centered design principles to simplify complex workflows and support efficient completion of Government business processes. * Develop and maintain reusable user interface components and front-end functionality in accordance with established technical and design standards. * Ensure consistent user experiences across supported devices, screen sizes, browsers, and operating environments. * Apply responsive and mobile-first design principles to support desktop, tablet, and mobile access as required. * Incorporate accessibility requirements and usability best practices throughout interface design and development. * Support compliance with applicable Federal accessibility requirements, including Section 508. * Conduct or support usability reviews, user feedback sessions, demonstrations, and validation activities with project and Government stakeholders. * Collaborate with Microsoft and Power Platform developers to integrate approved interface designs with application functionality, workflows, APIs, and supporting services. * Work with testing personnel to develop usability, accessibility, compatibility, and interface-related test scenarios and resolve identified defects. * Troubleshoot user interface, responsiveness, browser compatibility, accessibility, and usability issues. * Participate in design reviews, technical reviews, solution demonstrations, Agile ceremonies, and other project activities. * Maintain design and technical documentation, including wireframes, prototypes, interface specifications, design standards, and reusable component documentation. * Support User Acceptance Testing (UAT), implementation, production readiness, transition, knowledge transfer, and continuous improvement activities. * Incorporate stakeholder and user feedback into iterative improvements to the user experience., It is Calista and Subsidiaries' business philosophy and practice to provide reasonable accommodations, according to applicable state and federal laws, to all qualified individuals with physical or mental disabilities. The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. 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