Hardware & Embedded Software Engineer

Location: London (Hybrid)
Rate: £50-55 per hour + VAT
IR35 Status: Outside IR35

About the Opportunity We're supporting an innovative technology business developing cutting-edge wearable products that combine hardware, embedded systems, AI, and data analytics to deliver real-time performance coaching.
The business has grown from an early-stage concept into a globally recognised technology platform, leveraging large-scale real-world data and intelligent sensing to create industry-leading products.
We're seeking a Hardware & Embedded Software Engineer to help develop the next generation of wearable technology.
The Role This is a highly varied engineering position sitting at the intersection of hardware, embedded software, sensors, and product development.
You'll work closely with product, AI, mobile, and data teams to develop wearable electronics that deliver accurate real-time performance feedback in demanding environments.
This role is ideal for an engineer who enjoys owning products from concept through to manufacture and wants to see their work used by thousands of customers worldwide.
Responsibilities
Design and develop embedded electronic systems for wearable technology products
Select sensors, microcontrollers, wireless modules, batteries, and supporting components
Design schematics and support PCB development activities
Develop embedded firmware in C/C++
Integrate IMUs, pressure sensors, Bluetooth Low Energy (BLE), and other sensing technologies
Develop and optimise real-time data acquisition and processing systems
Prototype and test new product concepts
Perform hardware validation, debugging, and performance optimisation
Support manufacturing, certification, and production readiness activities
Work closely with software, mobile, and machine learning teams to ensure seamless hardware-software integration
Contribute to future product roadmaps and technology strategy Required Skills & Experience
Degree in Electronics Engineering, Embedded Systems, Computer Engineering, or similar
Experience developing embedded hardware and software products
Strong schematic design and component selection experience
Embedded C/C++ programming experience
Experience with ARM Cortex-M microcontrollers or similar embedded platforms
Experience working with sensors such as IMUs, pressure sensors, accelerometers, or motion tracking devices
Understanding of low-power design techniques for battery-operated products
Experience with wireless communication technologies, particularly Bluetooth Low Energy (BLE)
Familiarity with laboratory debugging tools including oscilloscopes, logic analysers, and protocol analysers
Strong problem-solving skills and hands-on engineering mindset Desirable Experience
Wearable technology development
Sports technology products
Signal processing
Sensor fusion algorithms
Python for test automation or data analysis
PCB design experience using Altium, KiCad, or similar ECAD tools
Manufacturing and product certification experience
Experience working in start-up or scale-up environments What's on Offer
Opportunity to work on innovative consumer technology products
Significant technical ownership and influence over product direction
Exposure to hardware, software, AI, and data-driven product development
Outside IR35 contract
Hybrid working environment
Collaborative and highly technical engineering culture
Opportunity to help shape the future of intelligent wearable technology If you're excited by sensors, embedded systems, real-world data, and building products that genuinely improve user performance, we'd love to hear from
you.

please note we cannot offer sponsorship for this this current role