Senior Application Engineer – Smart Home & IoT Apps

£60,000 - £65,000

Location: Remote | Type: Full-time | Industry: Smart Home / IoT

We''re looking for a Senior React Native Engineer to help shape the future of smart living. Our apps support millions of connected devices used daily by customers and installers around the world — and we need your expertise to help evolve, scale, and innovate.

This role is central to our long-term vision, and you’ll play a key part in building, testing, and maintaining intuitive, high-performance mobile experiences used in real-world environments.

What You''ll Be Doing

• Develop clean, maintainable, and efficient code in TypeScript using React Native.
• Collaborate with cross-functional teams including engineering, firmware, support, and production to ship world-class features.
• Design and manage reliable cloud communication (tRPC) and Bluetooth (BLE) device interactions.
• Troubleshoot complex issues and contribute to debugging and stability across our app ecosystem.
• Guide and mentor junior developers, providing technical direction and support.
• Support and advocate for test automation across the mobile stack using tools like Jest and Vitest.

• Expert-level experience building cross-platform mobile apps with React Native and TypeScript.
• Solid understanding of Git, version control, and CI/CD tools (ideally CircleCI).
• Familiarity with automated testing and a strong testing mindset.
• Experience working in agile teams, using frameworks such as Kanban or Scrum.
• Excellent collaboration and communication skills.
• Comfortable working independently or as part of a distributed, international team.

• Experience working full-stack with TypeScript on AWS.
• Exposure to other languages like Python, C, C#, or Rust.
• Familiarity with smart home products (e.g., EV chargers, solar diverters, etc.).