Mobile UI/UX Developer

StraitSys Inc is seeking a Mobile UI/UX Developer to support enterprise application modernization efforts for the Executive Office for Immigration Review (EOIR). This contract role focuses on designing, developing, testing, and continuously refining responsive, mobile-accessible, and accessible user experiences that support Government business processes.

Working in coordination with Government stakeholders and delivery teams, you will help translate approved requirements into intuitive interface designs and front-end functionality, spanning the full UX lifecycle from early analysis and prototyping through usability validation, testing, deployment, and continuous improvement. The principal place of performance is at EOIR Headquarters in Falls Church, VA (onsite).

Primary function

• Provide user interface, user experience, and front-end development support for EOIR modernization.
• Design, develop, test, and refine responsive, mobile-accessible, and accessible user experiences.
• Translate approved business and functional requirements into user-centered interfaces that align with operational needs.
• Support the user experience lifecycle from requirements analysis and prototyping through development, validation, testing, deployment, and continuous improvement.
• Collaborate with Government stakeholders, business analysts, functional subject matter experts, developers, and testing personnel to ensure usability and accessibility expectations are met.

Responsibilities

• Design, develop, test, and maintain responsive and mobile-accessible user interfaces for enterprise applications.
• Create wireframes, mockups, prototypes, user flows, and other design artifacts to communicate proposed experiences.
• Apply user-centered design to simplify complex workflows and support efficient completion of Government business processes.
• Develop and maintain reusable UI components and front-end functionality using established technical and design standards.
• Ensure consistent experiences across supported devices, screen sizes, browsers, and operating environments.
• Apply responsive and mobile-first design principles for required desktop, tablet, and mobile access.
• Incorporate accessibility requirements and usability best practices throughout design and development.
• Support compliance with Federal accessibility requirements, including Section 508.
• 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.
• Partner with testing personnel to develop usability, accessibility, compatibility, and interface-related test scenarios and resolve defects.
• Troubleshoot issues related to user interface, responsiveness, browser compatibility, accessibility, and usability.
• 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.

Requirements

• Experience supporting the Department of Justice (DOJ), EOIR, or other Federal civilian agencies.
• Experience designing and developing UI 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 WCAG.
• Experience conducting or supporting usability testing and incorporating user feedback into iterative designs.
• Familiarity with Microsoft-based 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 DOJ Public Trust Investigation (PTI) as required for the position.
• Ability to successfully pass a pre-employment drug test and background check.
• Bachelor’s degree from an accredited college or university, and relevant professional experience in UX design, UI development, software development, information technology, human-computer interaction, or a related discipline.

Technologies

• Microsoft 365
• Power Platform
• APIs
• Figma
• Azure DevOps
• Jira
• Section 508
• WCAG

Location and job type

• Location: Falls Church, VA (onsite) at EOIR Headquarters
• Job type: contract

Additional statements

• Contract contingency: This position is contingent upon contract award.
• Supervisory responsibilities: None
• Preference statement: Preference will be given to Calista shareholders and their descendants and to spouses of Calista shareholders, and to shareholders of other corporations created pursuant to the Alaska Native Claims Settlement Act, in accordance with Title 43 U.S. Code 1626(g).
• EEO statement: StraitSys Inc states it is policy to select, place, train, and promote qualified individuals based on relevant factors such as work quality, attitude, and experience, and to provide equal employment opportunity in compliance with applicable laws without regard to non-work related factors.
• Reasonable accommodation: Calista and Subsidiaries provide reasonable accommodations according to applicable state and federal laws.