Lead Hardware Engineer
X4 Technology is looking for a Lead Hardware Engineer
Job description
We’re partnering with a next-generation wearables startup based in London that’s redefining how technology integrates with clothing.
The company specialises in subtle, lightweight wearables — technology so seamlessly embedded you wouldn’t know it’s there. With a successful product already in the market, they’re now entering their second iteration of hardware and embedded systems as they scale.
They’re looking to hire a full-time Lead Hardware Engineer, with a clear pathway to CTO within 12 months for the right individual.
The Role
- Lead hardware development across wearable and sensor-based products
- Own embedded electronics, PCB design, and firmware development
- Integrate sensors for wearable applications
- Support regulatory and certification processes
Technical Environment
- Embedded systems: ESP (current), moving toward Rockwell chips
- PCB tools: Altium Designer, EasyPC
- Wireless: Bluetooth Classic (ESP), Wi-Fi
Team & Setup
- Small, fast-moving team (8 people)
- Majority onsite, with on-demand hybrid flexibility
- London-based office
Compensation & Progression
- £70k+ base salary + meaningful equity
- CTO compensation expected to rise closer to £100k (targeting Q4)
- Significant influence over product and technical direction
Extra information
- Status
- Open
- Education Level
- Secondary School
- Location
- London Area
- Type of Contract
- Full-time jobs
- Published at
- 05-02-2026
- Full UK/EU driving license preferred
- No
- Car Preferred
- No
- Must be eligible to work in the EU
- No
- Cover Letter Required
- No
- Languages
- English
Get similar vacancies sent to your mailbox
Fill in below which area you are searching in for a similar function and don't forget your e-mail address!