Urban SDK
Senior Front End Engineer
Remote (United States) · Remote · Senior · Full-time · Posted Jan 7, 2026
- Experience
- 5+ years of professional front-end development experience.
About the job
Leads development of interactive, data-heavy web applications, including map-based experiences and visualizations, with a focus on usability and performance.
What you'll do
- Design and maintain front-end applications, accessible UI components, maps, and data visualizations.
- Optimize application performance and ensure responsive, cross-browser behavior.
- Collaborate on feature planning and architecture, establish front-end practices, review code, and mentor engineers.
What they ask for
- Strong expertise in JavaScript (ES6+) and TypeScript; deep experience with React and modern React patterns.
- Production experience with Chakra UI or similar component libraries, and hands-on Mapbox experience.
- Experience building visualizations using Plotly and/or ApexCharts; understanding of HTML, CSS, responsive design, and accessibility (WCAG).
- Experience consuming REST and/or GraphQL APIs.
Nice to have
- Experience with Next.js or similar React frameworks and familiarity with geospatial concepts.
- Knowledge of front-end testing tools such as Jest, React Testing Library, or Cypress; experience with large or real-time datasets is also a plus.
Tools
React, Chakra UI, Mapbox GL JS, Plotly, ApexCharts, JavaScript (ES6+), TypeScript, Next.js
Model-written summary · the original posting is authoritative