MERN Full Stack Developer - Mapbox and OSM

Full-Stack Developer — MERN, Next.js and Mapbox We are looking for an experienced Full-Stack Developer to join our team and help build and enhance a modern, map-based property technology platform. The ideal candidate will have strong experience across the **MERN stack**, advanced **Next.js** skills, and proven commercial experience building applications with **Mapbox**. ## Key Responsibilities * Develop and maintain scalable web applications using MongoDB, Express.js, React and Node.js. * Build responsive, high-performance interfaces using Next.js. * Develop and integrate REST APIs. * Design and manage MongoDB collections, queries and indexes. * Build interactive mapping features using Mapbox. * Work with markers, polygons, layers, clustering, filters and location-based data. * Improve application performance, reliability and usability. * Troubleshoot technical issues across the frontend, backend and database. * Collaborate with product, design and development team members. * Write clean, maintainable and well-documented code. ## Essential Skills * Strong commercial experience with the MERN stack: * MongoDB * Express.js * React * Node.js * Strong Next.js experience, including dynamic routing, server-side rendering and API integration. * Strong JavaScript and TypeScript skills. * Experience building and consuming REST APIs. * Experience with Git and modern development workflows. * Strong understanding of responsive design and application performance. * Ability to work independently and communicate clearly. ## Mapbox Experience — Mandatory Candidates **must have proven Mapbox development experience**. You must be able to demonstrate at least **two previous Mapbox projects during the interview**. These examples should show hands-on experience with features such as: * Interactive maps * Custom markers and popups * GeoJSON data * Polygons and boundaries * Map layers and styling * Clustering * Search and filtering * Map-based user interactions * Performance optimisation for large datasets Applications without demonstrated Mapbox experience will not be considered. ## Highly Regarded * Experience with large geospatial datasets. * Experience with property technology or real estate platforms. * Experience with Mapbox GL JS. * Experience with Redux or other state-management tools. * Experience with Tailwind CSS. * Experience deploying Next.js and Node.js applications. * Experience with Docker, cloud infrastructure or CI/CD pipelines. * Knowledge of geospatial databases, indexing or spatial queries. ## How to Apply Please include: 1. A summary of your MERN and Next.js experience. 2. Links to at least two Mapbox projects you have personally worked on. 3. A clear explanation of your role in each Mapbox project. 4. Your availability and preferred working hours. 5. Your hourly rate or salary expectations. 6. A link to your GitHub, portfolio or relevant code samples. **Important:** The two Mapbox examples must be available for demonstration during the interview.