Senior Front End Engineer

About Urban SDKUrban SDK is shaping the Future of Smart Cities. We are pioneers in geospatial AI technology, providing public leaders with insights and automation for mission-critical decisions. We equip critical public services with geospatial AI, enabling precise, data-driven decisions with efficiency and confidence. Our Commitment to PeopleWe are committed to aligning business growth with professional outcomes for every employee. Our commitment has been recognized by Jacksonville Business Journal and Will Reed as a noted Best Places to Work.About the roleWe are hiring a Senior Front End Engineer to lead the development of rich, interactive web applications built with React, Chakra UI, Mapbox, and modern data visualization using Plotly and ApexCharts. You will play a key role in shaping the user experience for data-heavy products, translating complex datasets into intuitive, high-performance interfaces.ResponsibilitiesDesign, build, and maintain complex front-end applications using ReactCreate accessible, responsive UI components using Chakra UIImplement interactive map-based experiences using Mapbox GL JSBuild interactive data visualizations and dashboards using Plotly and ApexChartsOptimize performance for large datasets, maps, and real-time updatesCollaborate with product managers, designers, and backend engineers to define and deliver featuresEstablish and enforce front-end best practices (architecture, testing, accessibility, performance)Lead code reviews and mentor other engineersContribute to technical planning and architectural decisionsEnsure cross-browser compatibility and responsive behaviorRequired Qualifications5+ years of professional front-end development experienceStrong expertise in JavaScript (ES6+) and TypeScriptDeep experience with React and modern React patterns (hooks, context, memoization)Production experience with Chakra UI or similar component librariesHands-on experience with Mapbox (layers, sources, interactions, performance tuning)Experience building data visualizations using Plotly and/or ApexChartsSolid understanding of HTML, CSS, responsive design, and accessibility (WCAG)Experience consuming REST and/or GraphQL APIsStrong debugging, performance optimization, and problem-solving skillsNice to HaveExperience with Next.js or similar React frameworksFamiliarity with geospatial concepts (GeoJSON, projections, tilesets)Experience working with large or real-time datasetsKnowledge of front-end testing tools (Jest, React Testing Library, Cypress)Experience in data, analytics, mapping, or visualization-heavy productsPrior experience leading projects or acting as a technical ownerCompensationLocation: Jacksonville, FL (Town Center Area) or RemoteType: Full-timeReports to: Director of EngineeringSalary Based on Experience Annual BonusMedical, Vision, Dental, 401(k) 21 Days VacationOffice Lunch provided DailyOriginally posted on Himalayas