Senior Front End Engineer

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.

• 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 Apex Charts.
• 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.

• At least five years of professional front-end development experience.
• Strong JavaScript and Type Script 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, Apex Charts, or similar tools.
• Solid HTML, CSS, responsive design, accessibility, API integration, debugging, and performance skills.

• 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.

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.