UI/UX Engineer / Architect

Quantum Technologies. LLC; Saint Paul (MN); On-site; USD 84,000 - 120,000; Full time

Job summary

Quantum Technologies LLC is seeking an experienced UI/UX Engineer/Architect to lead the design and development of scalable digital experiences in St. Paul, MN. You will drive UX strategy, design systems, and front-end architecture for enterprise applications.

The role requires 8+ years in UI/UX or related fields, strong design tooling (Figma/Adobe XD/Sketch), and service design thinking. Collaboration with product and engineering teams, plus a focus on accessibility and responsive interfaces, is

Qualifications

• 8+ years of UI/UX design, engineering, or architecture experience.
• Hands-on proficiency with Figma, Adobe XD, Sketch or similar tools.
• Experience building and maintaining enterprise design systems and libraries.
• Knowledge of accessibility standards (WCAG 2.1/2.2).
• Understanding of REST APIs, front-end architecture, and component-based development.
• Experience working with Agile/Scrum teams.

Responsibilities

• Lead UI/UX architecture, design strategy, and user experience initiatives across enterprise applications.
• Translate business requirements into user flows, wireframes, prototypes, and high-fidelity designs.
• Develop and maintain design systems, reusable UI components, and design standards.
• Collaborate with product managers, business analysts, architects, and engineering teams.
• Create responsive and accessible interfaces for web and mobile applications.
• Conduct user research, usability testing, and design validation.
• Ensure consistency in visual design, interaction patterns, and overall user experience.
• Work with front-end developers to ensure accurate implementation of designs.
• Optimize usability, performance, and accessibility per WCAG standards.

Skills

UI/UX design experience

Design system ownership

UX research

Wireframing & prototyping

User journeys

Interaction design

Tools

Figma

Adobe XD

Sketch

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:UI/UX Engineer / Architect

Location: St. Paul, MN

Duration: 8 Months + Extension

Bill Rate: $74/hour (C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

We are seeking an experienced UI/UX Engineer / Architect to lead the design and development of intuitive, user-centric, and scalable digital experiences. The ideal candidate will combine strong UX strategy, UI design expertise, front-end development knowledge, and architectural thinking to deliver modern, accessible, and responsive applications.

Key Responsibilities:

• Lead UI/UX architecture, design strategy, and user experience initiatives across enterprise applications.
• Translate business requirements into user flows, wireframes, prototypes, and high-fidelity designs.
• Develop and maintain design systems, reusable UI components, and design standards.
• Collaborate with product managers, business analysts, architects, and engineering teams.
• Create responsive and accessible interfaces for web and mobile applications.
• Conduct user research, usability testing, and design validation.
• Ensure consistency in visual design, interaction patterns, and overall user experience.
• Work closely with front-end developers to ensure accurate implementation of designs.
• Optimize application usability, performance, and accessibility in accordance with WCAG standards.

Required Technical Skills:

• 8+ years of experience in UI/UX design, engineering, or architecture.
• Strong hands-on experience with Figma, Adobe XD, Sketch, or similar design tools.
• Expertise in UX research, wireframing, prototyping, user journeys, and interaction design.
• Experience building and managing enterprise-level design systems and component libraries.
• Knowledge of accessibility standards (WCAG 2.1/2.2) and usability best practices.
• Understanding of REST APIs, front-end architecture, and component-based development.
• Experience collaborating with Agile/Scrum development teams.

Preferred Qualifications:

• Experience designing enterprise, government, or public-facing applications.
• Knowledge of design tokens, Material UI, Bootstrap, and Tailwind CSS.
• Experience with UX analytics, A/B testing, and usability metrics.
• Familiarity with cloud-based application environments (Azure/AWS).
• Experience leading UI/UX teams and mentoring designers/developers.
• Strong communication, presentation, 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.