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.
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 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 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.
- 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
- 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
- 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
Top Skills
Apexcharts
Chakra Ui
CSS
GraphQL
HTML
JavaScript
Mapbox Gl Js
Plotly
React
Rest
Typescript
Similar Jobs
Artificial Intelligence • Machine Learning • Software • Defense
The Senior Frontend Engineer will enhance core libraries, improve developer experience, and collaborate across teams to deliver platform capabilities that enhance user experience.
Top Skills:
Node.jsOpenfgaPostgresReactTypescript
Healthtech
As a Senior Frontend Engineer II, you will optimize user experience, drive experimentation for growth, and improve the frontend architecture of an eCommerce platform while ensuring accessibility and reliability.
Top Skills:
AffirmAuth0DatadogGoogle Analytics 4Google Tag ManagerNext.JsOauth 2.0PlaywrightReactReact Testing LibraryStripeTailwindTanstack QueryTypescriptVitestZustand
Information Technology • Software
The role involves developing a corporate website using WordPress, implementing a custom theme, optimizing performance, and ensuring accessibility compliance all within a high-intensity 4-month timeline.
Top Skills:
Acf ProCSSGa4GitGtmHTMLJavaScriptPHPTypescriptWordpress
What you need to know about the Los Angeles Tech Scene
Los Angeles is a global leader in entertainment, so it’s no surprise that many of the biggest players in streaming, digital media and game development call the city home. But the city boasts plenty of non-entertainment innovation as well, with tech companies spanning verticals like AI, fintech, e-commerce and biotech. With major universities like Caltech, UCLA, USC and the nearby UC Irvine, the city has a steady supply of top-flight tech and engineering talent — not counting the graduates flocking to Los Angeles from across the world to enjoy its beaches, culture and year-round temperate climate.
Key Facts About Los Angeles Tech
- Number of Tech Workers: 375,800; 5.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Snap, Netflix, SpaceX, Disney, Google
- Key Industries: Artificial intelligence, adtech, media, software, game development
- Funding Landscape: $11.6 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Strong Ventures, Fifth Wall, Upfront Ventures, Mucker Capital, Kittyhawk Ventures
- Research Centers and Universities: California Institute of Technology, UCLA, University of Southern California, UC Irvine, Pepperdine, California Institute for Immunology and Immunotherapy, Center for Quantum Science and Engineering
