Senior Front End Engineer

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

Originally posted on Himalayas