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Urban SDK

Senior Front End Engineer

Reposted 25 Days Ago
Remote
Hiring Remotely in United States
Senior level
Remote
Hiring Remotely in United States
Senior level
Lead development of interactive React front-ends with Chakra UI and Mapbox, build data visualizations (Plotly/ApexCharts), optimize performance for large and real-time datasets, enforce front-end best practices, mentor engineers, and collaborate with product, design, and backend teams to deliver accessible, responsive interfaces.
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About Urban SDK

Urban 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 People

We 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 role

We 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.


Responsibilities
  • Design, build, and maintain complex front-end applications using React
  • Create accessible, responsive UI components using Chakra UI
  • Implement interactive map-based experiences using Mapbox GL JS
  • Build interactive data visualizations and dashboards using Plotly and ApexCharts
  • Optimize performance for large datasets, maps, and real-time updates
  • Collaborate with product managers, designers, and backend engineers to define and deliver features
  • Establish and enforce front-end best practices (architecture, testing, accessibility, performance)
  • Lead code reviews and mentor other engineers
  • Contribute to technical planning and architectural decisions
  • Ensure cross-browser compatibility and responsive behavior


Required Qualifications
  • 5+ years of professional front-end development experience
  • Strong expertise in JavaScript (ES6+) and TypeScript
  • Deep experience with React and modern React patterns (hooks, context, memoization)
  • Production experience with Chakra UI or similar component libraries
  • Hands-on experience with Mapbox (layers, sources, interactions, performance tuning)
  • Experience building data visualizations using Plotly and/or ApexCharts
  • Solid understanding of HTML, CSS, responsive design, and accessibility (WCAG)
  • Experience consuming REST and/or GraphQL APIs
  • Strong debugging, performance optimization, and problem-solving skills


Nice to Have
  • Experience with Next.js or similar React frameworks
  • Familiarity with geospatial concepts (GeoJSON, projections, tilesets)
  • Experience working with large or real-time datasets
  • Knowledge of front-end testing tools (Jest, React Testing Library, Cypress)
  • Experience in data, analytics, mapping, or visualization-heavy products
  • Prior experience leading projects or acting as a technical owner


Compensation

  • Location: Jacksonville, FL (Town Center Area) or Remote
  • Type:  Full-time
  • Reports to: Director of Engineering
  • Salary Based on Experience 
  • Annual Bonus
  • Medical, Vision, Dental, 401(k)  
  • 21 Days Vacation
  • Office Lunch provided Daily

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As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.

Key Facts About NYC Tech

  • Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
  • Key Industries: Artificial intelligence, Fintech
  • Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
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