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Contract Embedded/Electronics Engineer
Location: Oxford (On-site )
Contract Type: Contract
Pay: £50 per hour (Outside IR35)

About the Role

We are looking for a Contract Embedded/Electronics Engineer to support the bring-up and validation of microcontroller-based mixed-signal PCBs. This role is focused on hands-on lab work, supporting early-stage hardware to enable functional testing and development. This will be a 3 month contract.

What You’ll Do

* Safely power up and bring up early-stage, unproven microcontroller-based PCBs, using current limiting and bench techniques to avoid damage.

* Debug power rails, shorts, assembly issues, and schematic/layout faults, applying board-level fixes to make hardware testable.

* Develop and maintain a C-based bring-up / bootstrap firmware for STM32 devices to replace or simplify existing Rust-based code.

* Create simple, debuggable test firmware to “animate” the board, exercise GPIOs, interfaces, and peripherals, and provide visibility during hardware debug.

* Use STM32 debuggers and toolchains to validate clocks, reset, boot configuration, and MCU accessibility, including dual-core device considerations.

* Build basic host-side scripts (e.g. Python over serial) to control tests, toggle functions, and read back diagnostic data.

* Work closely with hardware and firmware teams to unblock development, focusing on speed and practicality rather than production-quality firmware.

* Operate independently in the lab, prioritising getting the hardware alive and usable quickly over redesign, optimisation, or long-term ownership.

If interested Submit your latest CV