Lumin Digital

Lumin Digital is a fintech company specializing in cloud native digital banking solutions.

Senior UI Developer

Frontend EngineerSoftware EngineerFull TimeRemoteTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

92 days ago

Salary

$135K - $170K / year

Bachelor Degree5 yrs expEnglishAngularJava ScriptReactReduxSCSSType ScriptVue.jsWebpack

Job 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.

Job 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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