Senior UI Developer

Description

• Design, develop, and maintain responsive, reusable, and accessible UI components for Lumin’s digital banking platform. • Translate UI/UX design wireframes and prototypes into high-quality code that aligns with design intent and technical feasibility. • Collaborate closely with Product Managers, UX Designers, and back-end engineers to ensure seamless integration and an exceptional user experience. • Optimize front-end performance through efficient rendering, code splitting, and other best practices. • Participate in code reviews, design reviews, and agile ceremonies to drive continuous improvement and maintain high standards of quality. • Contribute to and help evolve Lumin’s design system, ensuring consistency, scalability, and brand cohesion across products. • Troubleshoot and resolve UI-related issues across browsers and devices, ensuring reliability and accessibility (WCAG/ADA compliance). • Stay current with front-end trends, frameworks, and emerging technologies to continuously enhance product usability and developer efficiency. • Provide mentorship and technical guidance to other front-end developers as needed. • Perform other duties as assigned.

Requirements

• 5+ years of professional front-end or UI development experience, with a strong portfolio of production-level work. • Proven expertise with modern JavaScript frameworks such as Angular, React, or Vue. • Experience working with RESTful APIs and front-end build tools (Webpack, npm, etc.). • Prior experience in fintech, SaaS, or similarly regulated industries preferred. • Experience contributing to design systems or shared UI libraries a plus. • Strong proficiency in TypeScript, JavaScript (ES6+), HTML5, and CSS3 (including preprocessors such as SASS or LESS). • Deep understanding of responsive and accessible design principles (WCAG, ADA). • Ability to translate complex design specifications into pixel-perfect, performant implementations. • Experience with cross-browser compatibility and front-end testing tools. • Strong collaboration skills with the ability to communicate effectively across design, product, and engineering teams. • Attention to detail, accountability for deliverables, and a commitment to clean, maintainable code. • Familiarity with UI performance profiling and optimization techniques. • Experience with UX principles and usability testing collaboration. • Knowledge of state management libraries (e.g., NgRx, Redux, or Vuex). • Background in CI/CD processes and modern DevOps workflows. • Passion for creating exceptional digital experiences in the fintech space. • Minimal travel, generally 12 days or less per year, ~2X team get togethers a year.

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