Senior Embedded Software Engineer - Bluetooth LE Audio

Job Title

Senior Embedded Software Engineer - Bluetooth LE Audio

Role Summary

Develop and maintain LE Audio profiles and services in the Zephyr project and Nordic Semiconductor’s nRF Connect SDK. Work on software high in the Bluetooth stack while implementing and testing on Nordic hardware.

Collaborate with internal teams and the Zephyr community to contribute upstream changes, qualify implementations, and integrate functionality into Nordic's LE Audio solutions.

Experience Level

Senior. The posting specifies senior-level; no explicit years-of-experience requirement stated.

Responsibilities

Primary technical responsibilities and contributions expected from the role.

• Design, implement, review, and maintain LE Audio profiles and services in Zephyr and nRF Connect SDK, including tests, samples, and documentation.
• Contribute upstream to the Zephyr project and manage pull requests, code reviews, and community interaction.
• Acquire and apply detailed knowledge of relevant Bluetooth specifications; provide implementer input and resolve specification-related issues.
• Participate in interoperability testing events (IOPs / UnPlugFests) and conformance/qualification efforts; develop and maintain test automation where applicable.
• Integrate profiles and services into Nordic’s LE Audio solutions and support application teams with integration and debugging on hardware.
• Diagnose and fix issues from specification through testing to field integration.

Requirements

Must-have technical skills and relevant experience; nice-to-have items noted.

• Must have: Strong C programming skills and experience with embedded systems development.
• Must have: Knowledge of Bluetooth Low Energy and familiarity with GATT-based profiles and services.
• Must have: Experience with threading/concurrency and related challenges in embedded software.
• Must have: Comfortable working with Linux-based tools and command-line workflows.
• Must have: Experience with Git/GitHub, code reviews, and submitting/maintaining pull requests.
• Nice to have: Prior experience with the Zephyr project and with contributing to large open-source projects.
• Nice to have: Experience with qualification, conformance testing, or test automation for wireless protocols.
• Communication: Ability and willingness to communicate clearly and politely with the Zephyr community (e.g., Discord, PR discussions).

Education Requirements

Not specified.

About the Company

Company: Nordic Semiconductor

Headquarters: Trondheim, Norway

Norwegian fabless semiconductor company that designs low-power wireless connectivity solutions and system-on-chips (SoCs) for IoT, including Bluetooth Low Energy, Thread, Zigbee, LTE-M/NB-IoT, Wi‑Fi, and cloud services (nRF Cloud).