Mobile App Developer

Who you are

• 5+ years using React Native in production apps
• Strong skills in JavaScript and TypeScript
• Experience building and maintaining cross-platform mobile apps (iOS and Android)
• Familiarity with Bluetooth Low Energy (BLE) integrations in React Native (or willingness to learn)
• Experience integrating RESTful APIs and handling asynchronous data flows
• Version control with Git and familiarity with standard CI/CD processes (e.g. CircleCI)
• Experience delivering clean UI’s and user experience best practices
• Good communication skills and a collaborative mindset
• Experience working with native modules (Swift, Kotlin)
• Familiarity with BLE libraries
• Testing tools like Jest
• Previous experience in IoT, smart home, or hardware-connected apps
• Understanding of energy systems or EV charging tech

What the job involves

• We’re looking for a Senior React Native Software Engineer to join our growing mobile team. You’ll help develop and maintain two key mobile apps:
• A customer-facing app that gives users real-time visibility and control over their myenergi devices (zappi, eddi, libbi, harvi, etc.)
• An installer-focused app used by professional installers to connect to our devices via Bluetooth for setup, configuration, and diagnostics
• You’ll work as part of a small, agile team with real ownership over product features and UX improvements. This is an opportunity to work on meaningful software that integrates closely with custom hardware and contributes to a more sustainable future
• Build, maintain, and iterate on our two React Native mobile apps for iOS and Android
• Help review, design and implement the architecture of our mobile apps
• Work closely with product owners, designers, firmware engineers, and QA to deliver features from concept to release
• Integrate with Bluetooth (BLE) APIs to support device configuration via the installer app
• Collaborate on API integration for real-time energy data, settings management, and device control
• Write robust, maintainable, and well-tested code
• Identify and resolve performance bottlenecks, bugs, and UI/UX inconsistencies
• Participate in regular code reviews and help shape best practices across the mobile team