Bow Wave is seeking a Senior Frontend Developer to join our team and support our client in Washington, DC.The UI/UX & Frontend Developer will work across teams to design and implement intuitive user interfaces supporting modernization efforts for applications. This role blends user experience research, wireframing, prototyping, responsive design, and front-end implementation. The ideal candidate demonstrates strong design thinking, iterative visual design skills, and the ability to translate wireframes into modern, maintainable UI components.Key Responsibilities:Develop wireframes, prototypes, user flows, and design system components to support application functionality.Conduct user needs research, gather feedback, and adjust UI/UX approaches accordingly.Create and maintain style guides, pattern libraries, and reusable design artifacts.Ensure adherence to 508 accessibility requirements and FBI design standards.Build responsive user interfaces using modern JavaScript/TypeScript, React, or related web technologies.Collaborate with backend developers to align UI components with API capabilities.Support usability testing, analyze test results, and provide design-driven recommendations.Provide cross-team design support for additional unit projects and modernization initiatives. Required Qualifications:Recommend 5+ years of UI/UX and Frontend development experience.Experience in UI/UX design, prototyping tools (Figma, Adobe XD, etc.), and modern frontend development frameworks.Strong understanding of web accessibility, responsive design, and modern design systems.Strong verbal and written communication skills to effectively collaborate with stakeholders and end users, gather feedback, present design concepts, and ensure alignment across teams.Ability to collaborate with both technical and non-technical stakeholders.