30.09.2026

Senior Embedded SW Developer, BLE & Wireless IoT Devices

Nordic platforms and BLE, firmware for ARM Cortex-M

We are looking for an experienced embedded developer for an assignment focused on connected smart devices sold in international markets. The work centres on firmware for Nordic Semiconductor chipsets, Bluetooth technologies and robust device connectivity, within a wider ecosystem of devices, mobile apps and cloud services.

Start

26.10.2026

Duration

4mo

Location

Espoo / Hybrid, remote

Allocation

100%

In this assignment you will

build and maintain firmware for ARM Cortex-M based devices using nRF Connect SDK and Zephyr
implement BLE and mesh networking features and the protocols linking devices with mobile apps, gateways and the cloud
troubleshoot issues that span hardware, the radio layer and system integrations
contribute to security, device provisioning and OTA update functionality
work hand in hand with hardware, mobile, backend and test engineers

What you bring

strong C/C++ (mainly C) skills and solid RTOS knowledge
hands-on experience with Nordic platforms and BLE
confident debugging with modern tooling
everyday use of AI-assisted development tools

Nice to have

Bluetooth Mesh, secure boot and firmware update mechanisms
embedded Linux or gateway devices
CI/CD, test automation and release pipelines
RF tuning and optimization
experience taking a device from prototype to volume production

Interested? Send us your CV along with a few words about the wireless devices you have helped develop. We will get back to suitable candidates quickly.

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