Senior Mobile & Web Engineer (Maps & Geospatial)

Roadern; United Kingdom; Remote; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Real-world impact on national infrastructure

Technically demanding problems

Remote-first culture with clear ownership

Job summary

A tech-focused startup is seeking a Senior Engineer to build and scale React Native mobile applications and develop React + Next.js web dashboards. Candidates should have strong experience in React Native and React, familiarity with state management and mobile-heavy products, while comfortable collaborating in a remote-first culture. This role offers the opportunity to work on technically demanding problems impacting national infrastructure.

Qualifications

• Strong production experience with React Native.
• Strong experience with React.
• Experience with Next.js.
• Experience with state management (Redux or similar).
• Familiarity with Android/iOS native concepts.
• Experience building mobile-heavy products.
• Comfortable making technical trade-offs in fast-changing environments.

Responsibilities

• Build and scale React Native mobile applications.
• Develop React + Next.js web dashboards with heavy map & geospatial visualisation.
• Work with GPS, camera, and background location tracking.
• Optimise performance for mobile, maps, and large datasets.
• Collaborate closely with product, design, and backend teams.

Skills

React Native

React

Next.js

State management (Redux or similar)

Android/iOS native concepts

Mobile-heavy products

Maps & geospatial data

Mapbox or React Leaflet

GPS, device sensors

Node.js

Job description

Roadern is building an AI-powered road and asset intelligence platform used by road authorities and councils. Our product is mobile-first, turning smartphone imagery, GPS, and sensor data into actionable insights at scale.

We’re looking for a senior engineer who is strong in React Native, comfortable with map-heavy interfaces, and happy working across mobile and web in a startup environment.

Fully remote

UK-based only

The Role:

• Build and scale React Native mobile applications (primary focus)
• Develop React + Next.js web dashboards with heavy map & geospatial visualisation
• Work with GPS, camera, and background location tracking
• Optimise performance for mobile, maps, and large datasets
• Collaborate closely with product, design, and backend teams

Must Have:

• Strong production experience with React Native
• Strong experience with React
• Experience with Next.js
• Experience with state management (Redux or similar)
• Familiarity with Android / iOS native concepts
• Experience building mobile-heavy products
• Comfortable making technical trade-offs in fast-changing environments

Nice to Have:

• Experience with maps & geospatial data
• Experience with Mapbox, React Leaflet, or similar
• Experience with GPS, device sensors, or background tracking
• Performance optimisation experience (maps, rendering, animations)
• Experience with Node.js

Why Roadern?

• Real-world impact on national infrastructure
• Technically demanding problems (mobile, maps, performance, scale)
• Remote-first culture with clear ownership

If you’re a mobile-first, pragmatic professional comfortable with real-world constraints, we want to hear from you.