> Markdown version of [/jobs/ext/4679677-founding-mobile-software-engineer](https://www.wearedevelopers.com/jobs/ext/4679677-founding-mobile-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Founding Mobile Software Engineer

- **Company:** Harnham
- **Location:** London, United Kingdom
- **Experience:** Expert
- **Salary:** £70,000 - £90,000
- **Contract:** Permanent contract
- **Skills:** Flutter, C (Programming Language), Amazon Web Services, Android Software Development, Apple IOS, Apple Mac Systems, Computing Platforms, Big Data, Biometrics, Bluetooth Low Energy (Bluetooth), Bluetooth, Mobile Application Development, Cloud Computing, Continuous Integration, Mobile Application Software, Software Engineering, TypeScript, Spring Cloud, Ios Frameworks, Backend, Kotlin, Kubernetes, React Native, Docker, Service Stack
- **Published:** November 12, 2026
- **Apply:** https://www.reed.co.uk/jobs/founding-mobile-software-engineer/57561404

## About the Role

The successful Founding Mobile Software Engineer will have the following skills and experience:

 * Strong commercial experience in software engineering across mobile and cloud technologies
 * Hands-on experience building mobile applications using React Native, TypeScript, or related technologies
 * Proven experience working with Bluetooth Low Energy (BLE) or Bluetooth-connected products
 * Experience developing cloud-native applications within AWS
 * Strong understanding of software engineering fundamentals and system design
 * Experience working across multiple areas of the technology stack
 * Comfortable operating in startup or high-growth environments
 * Strong communication skills with the ability to collaborate across technical and non-technical teams
 * A proactive, ownership-driven approach to problem solving

Desirable experience includes:

 * IoT or connected-device products
 * Biometric or data-intensive applications
 * Docker and containerisation technologies
 * Kubernetes exposure
 * Health technology or regulated environments, * Apple iOS/macOS Devices
 * Automation & Control Systems
 * C Programming
 * Communication Skills
 * Continuous Integration
 * Flutter Development
 * iOS Development
 * Kotlin Android Development
 * Mobile Application Development
 * Teamwork

## Description

This is an opportunity to join a well-funded neurotechnology business at a pivotal stage of growth. With a commercial product already in market, growing revenue, and ambitious expansion plans, you will play a key role in shaping the software platform, engineering culture, and future technical direction of the company., As a Founding Mobile Software Engineer, you will be one of the first dedicated software engineering hires and will take ownership across the mobile and cloud ecosystem.

Specifically, you can expect to be involved in the following:

 * Build and develop mobile applications using React Native and TypeScript
 * Design, develop, and maintain AWS-based backend services
 * Own and improve Bluetooth Low Energy (BLE) connectivity between mobile applications and connected devices
 * Work across mobile, backend, cloud, and infrastructure environments
 * Support the transition from external engineering partners to an in-house engineering function
 * Collaborate closely with product and technical leadership on architecture and design decisions
 * Help establish engineering best practices, processes, and technical standards
 * Contribute to the future growth and scaling of the engineering team