UI/UX Engineer

Quantum Technologies. LLC; San Antonio (TX); On-site; USD 70,000 - 95,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced UI/UX Engineer to lead the design and development of user-centric, scalable digital experiences from strategy to implementation.

The role blends UX research, UI design, and front-end architecture to deliver accessible, responsive applications. The ideal candidate will drive design systems, collaborate with product and engineering teams, and ensure WCAG-compliant usability across web and mobile platforms.

Qualifications

• 8+ years of experience in UI/UX design, engineering, or architecture.
• Expertise in UX research, wireframing, prototyping, user journeys, and interaction design.
• Experience building and managing enterprise-level design systems and component libraries.
• Strong understanding of HTML5, CSS3, JavaScript, and modern front-end frameworks such as React or Angular.

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.

Skills

UX strategy

Wireframing

Prototyping

Accessibility

Design systems

Cross-functional collaboration

Tools

Figma

Adobe XD

Sketch

HTML/CSS/JS basics

React

Angular

Job description

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

Job Title:

UI/UX Engineer

Location:

San Antonio TX

Duration:

11 Months + Extension

Bill Rate:

$60/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.
• Strong understanding of HTML5, CSS3, JavaScript, and modern front-end frameworks such as React or Angular.
• Experience with responsive design, mobile‑first design, and cross‑browser compatibility.
• 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.

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.