Senior UI/UX Designer

Job Title: Senior UI/UX Designer

Location:Waltham, MA (Open to Remote for strong candidates)

Tax Term:W2 / C2C

Job Type:Contract

Duration:6+ Months with Possible Extension

Job Description:

Seeking a highly experienced Senior UI/UX Designer with 10+ years of experience and strong expertise in production UI design across web and mobile applications. The ideal candidate will have expert-level Figma skills, experience working within mature design systems and component libraries, and a strong portfolio demonstrating high-fidelity UI execution, prototypes, design system contributions, and collaborative iteration.

Portfolio link must be provided at the top of the resume.

Roles & Responsibilities

• Execute high-quality UI design across multiple active web and mobile projects, working within and contributing incremental enhancements to an established design system.
• Partner with design leads to translate strategic direction into polished, production-ready components, screens, and prototypes.
• Build on existing component libraries - contributing new patterns that align with established conventions.
• Create wireframes and prototypes at appropriate fidelity levels to communicate design intent to developers and stakeholders.
• Apply UX fundamentals (user flows, IA, usability) to inform UI decisions.
• Manage concurrent workstreams, surface blockers early and maintain steady output.
• Participate in design reviews, incorporate feedback and iterate efficiently.
• Support handoff and design QA, ensure developer alignment with final specs.

Required Skills

• 10+ years of UI/UX Design experience.
• Expert-level Figma skills.
• Figma Components
• Figma Variants
• Auto Layout
• Figma Prototyping
• Design Systems
• Component Libraries
• High-Fidelity UI Design
• Web Design
• Mobile Design
• Adaptive Web Design
• Native Mobile Design
• Wireframing
• Prototyping
• User Flows
• Information Architecture (IA)
• Usability
• Accessibility
• WCAG 2.x
• Design QA
• Developer Handoff
• Production UI Design

Skills & Experience

• Demonstrated senior-level execution in production environments.
• Portfolio should show visual craft, as well as fluency with systems and component-level thinking.
• Expert-level Figma skills: components, variants, auto layout, prototyping, and working within a mature design system.
• Experience designing for both adaptive web and native mobile.
• Familiarity with accessibility standards (WCAG 2.x).
• Self-directed and organized, able to maintain momentum across multiple workstreams.
• Communicates clearly and proactively; responsive to feedback and shifting priorities.

Portfolio Requirements

Design System Contribution

• Examples of extending or building upon an existing component library: new variants, pattern additions, or documentation.

High-Fidelity UI Screens

• Polished, production work across web and/or mobile.
• Visual craft, typographic and spacing decisions, and consistency across screens should be demonstrated.

Prototypes

• At least one interactive prototype demonstrating transitions, states, or interaction logic relevant to the project context.

Iteration Examples

• Work showing how the candidate responded to feedback or constraints from a lead or stakeholder.
• Evidence of collaborative execution, not just independent creative direction.

Qualifications

• 10+ years of experience is required.
• Strong production-level UI/UX design experience.
• Expert proficiency in Figma.
• Strong experience with established design systems and component libraries.
• Experience delivering high-fidelity web and mobile designs.
• Strong understanding of UX fundamentals, accessibility, and usability.
• Strong communication and collaboration skills.
• Portfolio link must be available at the top of the resume.