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Description We are looking for a talented UI Developer to create modern, user-friendly, and accessible digital experiences across multiple platforms. In this role, you will collaborate with cross-functional teams to design, develop, and implement responsive front-end solutions. This is a long-term contract position based in Washington, District of Columbia.

Responsibilities:

• Design and implement user interfaces for websites, e-commerce portals, mobile apps, and internal tools, ensuring a seamless user experience.

• Collaborate with product managers, developers, and content teams to align designs with business objectives and user needs.

• Develop responsive, cross-browser-compatible front-end code using HTML5, CSS3, JavaScript, jQuery, and Bootstrap.

• Create wireframes, prototypes, and mockups that emphasize usability, clarity, and accessibility.

• Ensure compliance with web accessibility standards and optimize performance across devices and browsers.

• Integrate APIs and services in partnership with back-end developers and external vendors.

• Support Agile workflows, including sprint planning, QA testing, and deployment processes.

• Maintain consistency with established digital style guides, brand standards, and component libraries.

• Leverage tools like Figma and Sitecore to enhance design precision and content integration.

• Drive A/B testing and personalization strategies to improve user engagement. Requirements • A minimum of 5 years of experience in UI/UX development with a strong portfolio showcasing responsive and accessible designs.

• Proficiency in HTML5, CSS3, JavaScript, jQuery, and Bootstrap or similar front-end frameworks.

• Bachelor’s degree in Computer Science, Human-Computer Interaction, Visual Design, or equivalent experience.

• Expertise in designing for mobile-first and cross-platform environments.

• Familiarity with Sitecore or similar enterprise-level content management systems.

• Strong knowledge of web accessibility standards and inclusive design principles.

• Experience working in Agile teams with tools like JIRA and Figma.

• Excellent communication and collaboration skills to work effectively with diverse teams. Innovation starts with people.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

• 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .