Senior Front End Engineer

urbansdk.com; United States; Remote; USD 110,000 - 160,000; Full time

Benefits offered by this job

Annual bonus

Health, dental & vision insurance

401(k)

20+ days vacation

Lunch at office

Job summary

Urbansdk is seeking an experienced front-end engineer to lead the development of interactive applications that transform complex datasets into clear, responsive user experiences. You will own performance, architecture, and the quality of React-based interfaces, including map experiences and dashboards.

The role emphasizes collaboration with product, design, and backend teams, and opportunities to mentor engineers, implement accessibility best practices, and advance front-end standards.

Qualifications

• 5+ years of professional front-end development experience.
• Strong JavaScript and TypeScript skills, including modern React patterns.
• Production experience with React and a component library such as Chakra UI.
• Hands-on Mapbox experience, including layers, data sources, interactions, or performance tuning.
• Experience building data visualizations with Plotly, ApexCharts, or similar tools.
• Solid HTML, CSS, responsive design, accessibility, API integration, debugging, and performance skills.

Responsibilities

• Develop and maintain React applications and reusable interface components.
• Create accessible, responsive interfaces with a component library such as Chakra UI.
• Build map experiences with Mapbox GL JS and dashboards with Plotly or ApexCharts.
• Improve performance for large datasets, maps, and frequently updated data.
• Partner with product, design, and backend colleagues to deliver features and ensure cross-browser behavior.
• Set front-end practices, contribute to architecture, review code, and mentor engineers.

Skills

JavaScript

TypeScript

React

Accessibility

Performance

Cross-browser

Tools

Chakra UI

Mapbox GL JS

Plotly

ApexCharts

Next.js

Jest

React Testing Library

Cypress

Job description

Role overview

Build and lead front-end development for interactive applications that turn complex datasets into clear, responsive user experiences. The work combines mapping, dashboards, and data visualization, with ownership of application quality, performance, and technical direction.

Responsibilities

• Develop and maintain React applications and reusable interface components.
• Create accessible, responsive interfaces with a component library such as Chakra UI.
• Build map experiences with Mapbox GL JS and dashboards with Plotly or ApexCharts.
• Improve performance for large datasets, maps, and frequently updated data.
• Partner with product, design, and backend colleagues to deliver features and ensure cross-browser behavior.
• Set front-end practices, contribute to architecture, review code, and mentor engineers.

Requirements

• At least five years of professional front-end development experience.
• Strong JavaScript and TypeScript skills, including modern React patterns.
• Production experience with React and a component library such as Chakra UI.
• Hands-on Mapbox experience, including layers, data sources, interactions, or performance tuning.
• Experience building data visualizations with Plotly, ApexCharts, or similar tools.
• Solid HTML, CSS, responsive design, accessibility, API integration, debugging, and performance skills.

Nice to have

• Experience with Next.js, geospatial data such as GeoJSON, or large and real-time datasets.
• Familiarity with front-end testing tools such as Jest, React Testing Library, or Cypress.
• Background in analytics, mapping, or visualization products, or experience leading projects.

Benefits and work setup

Full-time position, based in Jacksonville, Florida, or remote. The stated package includes an experience-based salary, annual bonus, medical, dental and vision coverage, a 401(k), 21 vacation days, and lunch at the office.