Senior Front End Engineer jobs in United States
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Urban SDK · 1 day ago

Senior Front End Engineer

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
date5+ years exp

Urban SDK is shaping the Future of Smart Cities by providing public leaders with insights and automation through geospatial AI technology. The Senior Front End Engineer will lead the development of interactive web applications, focusing on user experience and data visualization.

AnalyticsArtificial Intelligence (AI)Civil EngineeringFirst AidGovernmentPublic SafetyPublic TransportationSaaSSmart CitiesSoftware
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H1B Sponsor Likelynote

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

Qualification

ReactJavaScript (ES6+)TypeScriptMapboxChakra UIPlotlyApexChartsHTML/CSSREST APIsGraphQL APIsDebugging skillsPerformance optimizationResponsive designAccessibility (WCAG)Problem-solving skills

Required

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

Preferred

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

Benefits

Annual Bonus
Medical, Vision, Dental
401(k)
21 Days Vacation
Office Lunch provided Daily

Company

Urban SDK

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Urban SDK is a geospatial AI platform for public safety, transportation, infrastructure and administration.
dateFounded in 2018
location
Jacksonville, Florida, USA
people-size11-50 employees
web-link
https://urbansdk.com

H1B Sponsorship

Urban SDK has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2022 (1)

Funding

Current Stage
Early Stage
Total Funding
$5.55M
Key Investors
GOVO Venture PartnersTechstars
2024-09-19Series Unknown· $0.98M
2023-07-05Seed
2021-11-30Seed· $2.85M

Leadership Team

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Justin Dennis
Co-Founder, COO
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Recent News

Seattle TechFlash
Jax's Urban SDK unveils upgrade for road management
2025-07-04
GovTech
Urban SDK Offers a Deeper View of Traffic Danger Spots
2025-02-15
LinkedIn
Ted Sutton, Esq. on LinkedIn: A New Home For Your Wyoming LLC
2024-04-10
Company data provided by crunchbase