Company Name: Threat Tec, LLC

Job Details: 3 Locations Remote or Hybrid Mid level

Job Url: https://builtin.com/job/ui-ux-engineer/6896585

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 jobWhere AI Starts for Companies That Can’t Afford to FailLuminexis.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 (TM) 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 OpportunityWe 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 RequirementsDesign Strategy & User Experience LeadershipDevelop and execute comprehensive UX strategies aligned with product vision and business objectivesConduct user research, interviews, and usability testing to understand complex user workflows in high-stakes environmentsCreate user personas, journey maps, and experience frameworks for AI-driven applicationsDesign information architectures and interaction patterns that simplify complex AI conceptsPresent design strategies and user insights to executive leadership and key stakeholders Design System Development & ImplementationBuild and maintain comprehensive design systems, component libraries, and style guidesCreate high-fidelity mockups, prototypes, and interactive demonstrations using modern design toolsDevelop responsive designs that work seamlessly across web, mobile, and tablet experiencesCollaborate with engineering teams to ensure pixel-perfect implementation of designsEstablish design quality standards and review processes to maintain consistencyFrontend Development & Technical ExecutionTranslate designs into clean, efficient, and maintainable frontend code using React, TypeScript, and modern CSSImplement responsive layouts, animations, and micro-interactions that enhance user experienceWork closely with backend engineers to integrate APIs and ensure seamless data flowOptimize frontend performance and accessibility to meet enterprise-grade standardsConduct code reviews and mentor junior developers on frontend best practicesUser-Centered Innovation & TestingPlan and conduct user testing sessions, A/B tests, and design validation experimentsAnalyze user behavior data and feedback to identify improvement opportunities and design iterationsCreate prototypes and proof-of-concepts to validate new design approaches and featuresMonitor design metrics and KPIs to measure success and inform future design decisionsChampion accessibility and inclusive design principles across all product experiencesQualificationsDesign & Development Expertise5-7 years of UI/UX design and frontend development experience, preferably in technology or SaaS environmentsProven portfolio showcasing successful design and development of complex web applicationsStrong 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 ThinkingExceptional ability to conduct user research and translate insights into actionable design decisionsStrong understanding of UX principles, design thinking methodologies, and human-computer interactionExperience designing for complex workflows and data-heavy applicationsExcellent problem-solving skills with ability to balance user needs with technical constraintsUnderstanding of accessibility standards (WCAG 2.1) and inclusive design practices Technical Skills & CollaborationExperience with version control systems (Git), agile development, and CI/CD workflowsKnowledge of responsive design, cross-browser compatibility, and mobile-first developmentFamiliarity with API integration, state management (Redux/Context), and modern React patternsOutstanding communication skills with ability to present design concepts to technical and non-technical stakeholdersCollaborative mindset with proven ability to work effectively with product managers, engineers, and business teamsDesired QualificationsBachelor's degree in Design, Computer Science, HCI, or related fieldExperience designing for AI/ML applications, data visualization, or analytics platformsKnowledge of backend technologies and database design principlesExperience in regulated industries (healthcare, financial services, government, defense)Contributions to open-source projects or design community involvementPortfolio demonstrating mobile app design and development experienceDeliverablesDesign Excellence & User ImpactDeliver 2-3 major UI/UX initiatives per quarter with measurable improvements in user satisfaction and engagementAchieve 95%+ design-to-development accuracy with minimal design debt or reworkMaintain design system adoption rate of 90%+ across all product featuresDrive measurable improvements in user task completion rates and time-to-value metrics Technical Delivery & PerformanceMaintain frontend performance scores of 90+ on Lighthouse audits for speed and accessibilityAchieve 99% cross-browser compatibility and responsive design consistencyDeliver pixel-perfect implementations with 95%+ design specification adherenceReduce frontend bug reports by 30% through improved code quality and testing practices Innovation & Strategic ContributionLead design innovation through rapid prototyping and design experimentationEstablish UX research best practices and user feedback integration processesContribute to design community through thought leadership, speaking, or open-source contributionsReduce design-to-development cycle time by 25% through improved collaboration and tooling Team Leadership & Process ExcellenceMentor junior designers and developers on UX principles and frontend best practicesEstablish design review processes and quality standards across the organizationAchieve 95%+ stakeholder satisfaction through clear communication and delivery excellenceBuild strong cross-functional relationships evidenced by seamless product delivery and positive team feedbackAt 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