UI-UX Designer

Quantum Technologies. LLC; Seattle (WA); On-site; USD 120,000 - 170,000; Full time

Job summary

Quantum Technologies LLC in Seattle is seeking a Senior UI/UX Designer with 8+ years of experience in user experience and visual design. You will translate business needs into intuitive, accessible interfaces and lead user research to validate concepts across web and mobile platforms.

You will create wireframes, prototypes, and design systems, collaborating with product managers, developers, and stakeholders to ensure feasible, high-quality designs throughout the product lifecycle.

Qualifications

• 8+ years of experience in user experience design and visual design.
• Experience translating business requirements into intuitive, accessible interfaces.
• Strong prototyping, wireframing, and interaction design skills.
• Experience developing and maintaining design systems and UI guidelines.
• Ability to collaborate with product, engineering, and cross-functional teams.
• Strong portfolio of enterprise-level digital products.

Responsibilities

• Conduct user research to understand user needs, expectations, and pain points.
• Create personas, journey maps, information architecture, and user flows.
• Develop wireframes, storyboards, mockups, and interactive prototypes.
• Design visually appealing, intuitive interfaces aligned with brand and business goals.
• Apply user-centered design to improve usability and accessibility.
• Design responsive interfaces for web and mobile across platforms.
• Conduct usability testing and iterate based on feedback.
• Collaborate with product managers, business analysts, developers, and stakeholders.
• Develop and maintain design systems, reusable components, style guides, and UI standards.
• Ensure typography, color, spacing, layouts, hierarchy, and interaction consistency.
• Work with engineering to ensure accurate implementation of designs.
• Incorporate accessibility standards and inclusive design principles.
• Present concepts and prototypes to stakeholders and incorporate feedback.
• Stay updated with emerging UI/UX trends, tools, and best practices.
• Advocate for UX excellence and contribute to process improvement.

Job description

We are seeking an experienced Senior UI/UX Designer with 8+ years of experience in user experience design, visual design, and user-centered product development. The ideal candidate will be responsible for conducting user research, translating business requirements into intuitive user experiences, and creating visually appealing, accessible, and user-friendly digital interfaces.

The candidate should have strong expertise in wireframing, prototyping, interaction design, usability testing, design systems, and visual communication. The role requires close collaboration with product managers, developers, business stakeholders, and other cross-functional teams to deliver high-quality digital experiences.

Key Responsibilities

• Conduct user research, interviews, surveys, and usability studies to understand user behavior, needs, expectations, and pain points.
• Translate research findings and business requirements into user personas, journey maps, information architecture, and user flows.
• Develop wireframes, storyboards, mockups, and interactive prototypes to communicate design concepts and validate user journeys.
• Create visually appealing, intuitive, and user-friendly interfaces aligned with brand guidelines and business objectives.
• Apply user-centered design principles to improve usability, accessibility, consistency, and overall customer experience.
• Design responsive and interactive user interfaces across web applications, mobile applications, and digital platforms.
• Conduct usability testing, analyze user feedback, and continuously refine designs to improve user satisfaction and task completion.
• Collaborate with product managers, business analysts, developers, and other stakeholders to ensure design feasibility and seamless implementation.
• Develop, maintain, and enhance design systems, reusable components, style guides, and UI standards.
• Ensure consistency in typography, color schemes, spacing, layouts, visual hierarchy, and interaction patterns.
• Work closely with engineering teams throughout the product development lifecycle to ensure accurate implementation of design specifications.
• Incorporate accessibility standards and inclusive design principles into digital experiences.
• Present design concepts, prototypes, and recommendations to stakeholders, incorporating feedback into final deliverables.
• Stay updated with emerging UI/UX trends, design tools, technologies, and industry best practices.
• Advocate for user experience excellence and contribute to continuous improvement across the design process.

Required Technical Skills

• UX Design: User research, user personas, journey mapping, information architecture, and interaction design.
• Visual Design: Visual hierarchy, typography, color theory, layouts, branding, and interface consistency.
• Wireframing & Prototyping: Ability to create low-fidelity and high-fidelity wireframes, mockups, and interactive prototypes.
• Design Tools: Proficiency in Figma, Sketch, Adobe XD, or comparable UI/UX design tools.
• Usability Testing: Experience planning usability tests, gathering feedback, analyzing results, and iterating on designs.
• Design Systems: Experience developing and maintaining reusable UI components, design libraries, style guides, and design standards.
• Responsive Design: Understanding of responsive layouts and designing for multiple devices and screen sizes.
• Accessibility: Knowledge of accessibility principles, inclusive design, and WCAG guidelines.
• Stakeholder Collaboration: Ability to communicate design decisions, present concepts, and work effectively with cross-functional teams.

Preferred Qualifications

• Experience designing enterprise-level applications and complex digital products.
• Knowledge of design handoff, developer collaboration, and design-to-development workflows.
• Familiarity with Agile/Scrum methodologies and product development lifecycles.
• Experience using analytics, user feedback, and research findings to guide design decisions.
• Strong portfolio demonstrating end-to-end UX processes and high-quality visual design.
• Excellent communication, presentation, problem-solving, and stakeholder management skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.