Senior Embedded Software Engineer – BLE/Audio Codec
Location: Belfast (On-site preferred with flexible WFH options)
Contract: Inside IR35
Duration: 6–12 months (likely extension)
Start Date: ASAP
Overview:
We're seeking a highly skilled Embedded Software Engineer to join a cutting-edge BLE/Audio Codec team working on ultra-low-power embedded systems, such as wireless earbuds and headphones. This role requires strong embedded C/C++ skills, with a focus on code optimisation for constrained environments.
Key Responsibilities:
* Develop and optimise embedded firmware for BLE audio devices
* Work on LC3 codec integration and system-level performance tuning
* Collaborate with hardware, DSP, and software teams to deliver end-to-end solutions
* Debug and profile firmware on target systems using cross-compilation tools
Key Technologies:
* Embedded C/C++ (performance-optimised code for low-resource systems)
* BLE / LC3
* DSP (Digital Signal Processing fundamentals)
* Embedded Linux
* Cross-compilation (GCC toolchain)
* Python (desirable, not essential)
Working Model:
* Ideally 5 days/week on-site in Belfast
* Flexible structure: WFH mornings or afternoons allowed