Embedded Software Engineer

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