Senior Mobile and Frontend Software Engineer

Job description: Purpose of job: Our aim is to become a market leader in provision of Electric Vehicle charging solution provider to Local Authorities and Businesses as part of our strategy to lead the transition to zero carbon.

The goal is to undertake an ambitious electric vehicle charging installation program, deploying high volume and quality EV installations across the nation. Our aim is to make the world a better place, one charge point at the time.

The Senior Mobile and Front End Software Engineer will work within Zest's IT team, primarily focused on the development of our mobile App, but also working with other developers in the creation of the applications to support our EV charge points management platforms.

Key Accountabilities: The role is responsible for the following: Core React & React Native

Skills

Strong commercial experience with React and React Native Proficiency in JavaScript (ES6+) and TypeScript Experience with Expo Solid understanding of functional components React Hooks (useState, useEffect, useMemo, useCallback) Component lifecycle in React Native Experience building cross-platform mobile applications from a single codebase Familiarity with React Native architecture (JS thread, UI thread, bridge, TurboModules) Offline-first implementation (SQLite) State Management & Data Handling: Experience with state management solutions: Zustand Context API Experience with React Query / TanStack Query for async data fetching, caching, and retries Integration with REST APIs Secure handling of authentication tokens and sensitive data Mobile UI & Navigation: Building responsive, adaptive UIs for different screen sizes Experience with mobile navigation libraries: Expo Router React Navigation (stack, tab, drawer) Styling approaches StyleSheet API Maps integration (react-native-maps, clustering, geolocation) Awareness of platform-specific UI/UX differences between Android and iOS Accessibility best practices (screen readers, hit targets, contrast) Platform-Specific Experi...

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