UI/UX Developer

JTEC Consulting seeks a UI/UX Developer to connect human-centered design with front-end engineering on a 100% onsite team in Chantilly, VA. Responsibilities Conduct user research, contextual inquiries, and usability testing to identify customer needs, pain points, and behavioral patterns Synthesize findings into actionable artifacts, including user journeys, personas, site maps, and user flows Create low-to-high fidelity wireframes and interactive prototypes to validate concepts and product hypotheses early Build, maintain, and optimize responsive web applications using React , Next.js , TypeScript , and modern CSS architectures Translate design tokens and component libraries into clean, modular, and maintainable front-end code Ensure cross-browser compatibility, consistent behavior, and strong performance across mobile, tablet, and desktop viewports Apply color theory, typography, spacing, and grid systems to deliver visually cohesive interfaces Collaborate with engineering and product teams to establish and evolve scalable design systems and reusable UI component libraries Advocate for accessibility best practices to support inclusive experiences Partner with Product Managers to define technical and design requirements in an Agile/Scrum environment Work with back-end engineers to integrate RESTful APIs and support seamless front-end state management Participate in design critiques and code reviews, providing feedback to maintain quality across disciplines Requirements Current TS/SCI with agency-specific polygraph required for consideration U.S. citizenship Bachelor's degree in Computer Science, Information Systems, or a related technical discipline (equivalent years of direct experience considered in lieu of a degree) Strong proficiency in core web technologies: JavaScript (ES6+) , TypeScript , HTML5 , and modern CSS3/SCSS Hands-on experience building web applications using React and Next.js Solid understanding of foundational visual design principles: grid systems, responsive layouts, typography, and color theory Demonstrated experience conducting user research, developing user flows, and wireframing interface solutions Experience creating reusable, component-based architectures balancing aesthetic fidelity with code performance Hands-on technical portfolio showing both design execution (case studies, wireframes, prototypes) and functional front-end code Technologies React, Next.js, TypeScript JavaScript (ES6+), HTML5, CSS3, SCSS RESTful APIs Figma, Sketch, Adobe XD WCAG 2.1, WCAG 2.2, ARIA attributes Storybook Framer Motion Security clearance requirement Current TS/SCI with polygraph Location 100% On-Site Chantilly, VA Relocation Relo support for candidates outside the commuting area will be considered Preferred qualifications Advanced proficiency with industry-standard design tools such as Figma, Sketch, or Adobe XD Understanding of WCAG 2.1/2.2 standards, semantic HTML, and ARIA attributes Direct experience creating, documenting, and maintaining design tokens and enterprise design systems (e.g., Storybook) Familiarity with micro-interactions, transitions, and web animation libraries (e.g., Framer Motion, CSS animations) Experience working in iterative Agile/Scrum environments alongside cross-functional squads Compensation USD 155,000 - 185,000 per year Education and qualifications U.S. citizenship Current TS/SCI with agency-specific polygraph required for consideration Bachelor's degree in Computer Science, Information Systems, or a related technical discipline (equivalent years of direct experience considered in lieu of a degree) #J-18808-Ljbffr JTEC Consulting