UI/UX Engineer

🇺🇸 United States - Remote
🎨 Design🔵 Mid-level

Job description

Luminexis.AI builds human-centered AI systems that accelerate clarity, streamline decision-making, and solve complex problems at scale. We work with organizations that need more than automation—they need intelligent infrastructure that moves as fast as they do.

About the job

Where AI Starts for Companies That Can’t Afford to Fail

Luminexis.AI delivers AI strategy and execution for organizations operating in high-stakes environments—defense, healthcare, insurance, and logistics. Through our flagship Discovery Package and the upcoming Illuminate ™ platform, we turn AI overwhelm into clarity, capability, and measurable results. We’re a fast-moving, client-first, technology-driven team looking for a proven closer to help us scale from high-trust engagements to platform-driven growth.

The Opportunity

We are seeking an exceptional UI/UX Engineer to join our growing product team. This role requires a creative problem-solver with 5-7 years of experience who can bridge the gap between design and development, creating intuitive user experiences for complex AI systems. The ideal candidate will own the entire design-to-development pipeline, conduct user research, and collaborate cross-functionally to deliver exceptional digital experiences that make AI accessible and actionable for high-stakes environments.

Key Requirements

  • Design Strategy & User Experience Leadership

  • Develop and execute comprehensive UX strategies aligned with product vision and business objectives

  • Conduct user research, interviews, and usability testing to understand complex user workflows in high-stakes environments

  • Create user personas, journey maps, and experience frameworks for AI-driven applications

  • Design information architectures and interaction patterns that simplify complex AI concepts

  • Present design strategies and user insights to executive leadership and key stakeholders

  • Design System Development & Implementation

  • Build and maintain comprehensive design systems, component libraries, and style guides

  • Create high-fidelity mockups, prototypes, and interactive demonstrations using modern design tools

  • Develop responsive designs that work seamlessly across web, mobile, and tablet experiences

  • Collaborate with engineering teams to ensure pixel-perfect implementation of designs

  • Establish design quality standards and review processes to maintain consistency

  • Frontend Development & Technical Execution

  • Translate designs into clean, efficient, and maintainable frontend code using React, TypeScript, and modern CSS

  • Implement responsive layouts, animations, and micro-interactions that enhance user experience

  • Work closely with backend engineers to integrate APIs and ensure seamless data flow

  • Optimize frontend performance and accessibility to meet enterprise-grade standards

  • Conduct code reviews and mentor junior developers on frontend best practices

  • User-Centered Innovation & Testing

  • Plan and conduct user testing sessions, A/B tests, and design validation experiments

  • Analyze user behavior data and feedback to identify improvement opportunities and design iterations

  • Create prototypes and proof-of-concepts to validate new design approaches and features

  • Monitor design metrics and KPIs to measure success and inform future design decisions

  • Champion accessibility and inclusive design principles across all product experiences

Qualifications

  • Design & Development Expertise

  • 5-7 years of UI/UX design and frontend development experience, preferably in technology or SaaS environments

  • Proven portfolio showcasing successful design and development of complex web applications

  • Strong proficiency in design tools (Figma, Adobe Creative Suite, Sketch, or similar)

  • Advanced frontend development skills in React, Vue, Flutter, TypeScript, HTML5, CSS3, and JavaScript ES6+

  • Experience with design systems, component libraries, and modern frontend build tools

  • User Research & Strategic Thinking

  • Exceptional ability to conduct user research and translate insights into actionable design decisions

  • Strong understanding of UX principles, design thinking methodologies, and human-computer interaction

  • Experience designing for complex workflows and data-heavy applications

  • Excellent problem-solving skills with ability to balance user needs with technical constraints

  • Understanding of accessibility standards (WCAG 2.1) and inclusive design practices

  • Technical Skills & Collaboration

  • Experience with version control systems (Git), agile development, and CI/CD workflows

  • Knowledge of responsive design, cross-browser compatibility, and mobile-first development

  • Familiarity with API integration, state management (Redux/Context), and modern React patterns

  • Outstanding communication skills with ability to present design concepts to technical and non-technical stakeholders

  • Collaborative mindset with proven ability to work effectively with product managers, engineers, and business teams

Desired Qualifications

  • Bachelor’s degree in Design, Computer Science, HCI, or related field
  • Experience designing for AI/ML applications, data visualization, or analytics platforms
  • Knowledge of backend technologies and database design principles
  • Experience in regulated industries (healthcare, financial services, government, defense)
  • Contributions to open-source projects or design community involvement
  • Portfolio demonstrating mobile app design and development experience

Deliverables

  • Design Excellence & User Impact

  • Deliver 2-3 major UI/UX initiatives per quarter with measurable improvements in user satisfaction and engagement

  • Achieve 95%+ design-to-development accuracy with minimal design debt or rework

  • Maintain design system adoption rate of 90%+ across all product features

  • Drive measurable improvements in user task completion rates and time-to-value metrics

  • Technical Delivery & Performance

  • Maintain frontend performance scores of 90+ on Lighthouse audits for speed and accessibility

  • Achieve 99% cross-browser compatibility and responsive design consistency

  • Deliver pixel-perfect implementations with 95%+ design specification adherence

  • Reduce frontend bug reports by 30% through improved code quality and testing practices

  • Innovation & Strategic Contribution

  • Lead design innovation through rapid prototyping and design experimentation

  • Establish UX research best practices and user feedback integration processes

  • Contribute to design community through thought leadership, speaking, or open-source contributions

  • Reduce design-to-development cycle time by 25% through improved collaboration and tooling

  • Team Leadership & Process Excellence

  • Mentor junior designers and developers on UX principles and frontend best practices

  • Establish design review processes and quality standards across the organization

  • Achieve 95%+ stakeholder satisfaction through clear communication and delivery excellence

  • Build strong cross-functional relationships evidenced by seamless product delivery and positive team feedback

At Luminexis.AI, we believe the best teams win—by hiring elite talent, putting the customer first, driving innovation, and acting with urgency and integrity.

Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time. This description reflects management’s assignment of essential functions; it does not proscribe or restrict the tasks that may be assigned. This job description is subject to change at any time.

#TT

Share this job:
Please let Threat Tec know you found this job on Remote First Jobs 🙏

Benefits of using Remote First Jobs

Discover Hidden Jobs

Unique jobs you won't find on other job boards.

Advanced Filters

Filter by category, benefits, seniority, and more.

Priority Job Alerts

Get timely alerts for new job openings every day.

Manage Your Job Hunt

Save jobs you like and keep a simple list of your applications.

Search remote, work from home, 100% online jobs

We help you connect with top remote-first companies.

Search jobs

Hiring remote talent? Post a job

Frequently Asked Questions

What makes Remote First Jobs different from other job boards?

Unlike other job boards that only show jobs from companies that pay to post, we actively scan over 20,000 companies to find remote positions. This means you get access to thousands more jobs, including ones from companies that don't typically post on traditional job boards. Our platform is dedicated to fully remote positions, focusing on companies that have adopted remote work as their standard practice.

How often are new jobs added?

New jobs are constantly being added as our system checks company websites every day. We process thousands of jobs daily to ensure you have access to the most up-to-date remote job listings. Our algorithms scan over 20,000 different sources daily, adding jobs to the board the moment they appear.

Can I trust the job listings on Remote First Jobs?

Yes! We verify all job listings and companies to ensure they're legitimate. Our system automatically filters out spam, junk, and fake jobs to ensure you only see real remote opportunities.

Can I suggest companies to be added to your search?

Yes! We're always looking to expand our listings and appreciate suggestions from our community. If you know of companies offering remote positions that should be included in our search, please let us know. We actively work to increase our coverage of remote job opportunities.

How do I apply for jobs?

When you find a job you're interested in, simply click the 'Apply Now' button on the job listing. This will take you directly to the company's application page. We kindly ask you to mention that you found the position through Remote First Jobs when applying, as it helps us grow and improve our service 🙏

Apply