Senior Firmware Engineer

Job Description

Established in 1997 Softeq was built from the ground up to specialize in new product development and R&D tackling the most difficult problems in the tech sphere. Now weve expanded to offer early-stage innovation and ideation plus digital transformation business consulting. Our superpower is to deliver all of this under one roof on a global scale. So lets get started and build a better future together!

Softeq is looking for a Senior Firmware Engineer in the Embedded Systems department.

Were building new silicon based product: the Nordic nRF7120 (Wi-Fi 6 Bluetooth LE companion cellular) running Zephyr via the nRF Connect SDK and looking for the primary Zephyr voice on the team.

This position will require firmware architecting and in collaboration with multi-disciplinary team design and development a single shared business-logic core serves both the incumbent STM32 platform and the new Nordic platform for years to come.

Responsibilities:

• Own firmware on the nRF7120 / ZephyrNCS platform: DK bring-up Kconfig device tree structure thread topology little fs storage MCU boot/DFU;
• Build native Zephyr connectivity: Wi-Fi Bluetooth host and cellular via the Zephyr modem subsystem;
• Own firmware observability with Memfault: coredumps metrics OTA campaigns alerting a first-class quality-and-velocity investment for the whole team;
• Set the bar for firmware quality: host-build CI as a compile firewall unit-testable C with injectable fakes replay-harness behavior-preservation;
• Collaborate with hardware software QA and system engineering teams.

Requirements:

• 8 years hands-on embedded firmware including 3 years shipping production Zephyr / nRF Connect SDK code on real hardware;
• nRF7120 (rare) or adjacent nRF52/nRF53/nRF91 experience;
• Production fluency in Kconfig and device tree;
• Zephyr Bluetooth host with real GATT-service porting native Zephyr Wi-Fi cellular over the modem subsystem;
• Nordic Semiconductor MCU and hardware peripherals experience (e.g. PWM ADC DAC CAN UART etc.);
• West deep C99/C11 CMake git;
• Production Memfaultexperience;
• Experience with firmware-level power optimization techniques;
• You use AI-assisted coding tools (Claude Code Cursor Copilot) in daily work;
• Experience with firmware-level power optimization techniques;
• Consumer IoT consumer-connected-hardware device firmware background (wearables trackers connected devices);
• Real overlap with CET/EET business hours; a long-term (2 year) commitment;
• English language written and verbal communication skills (min. B2 level);
• Bachelors degree in Computer Science Electrical Engineering or related field.

Softeq communicates only from @ email addresses. We never request payments or fees for any reason during hiring including trainings or courses to be completed equipment onboarding or background checks and we will not ask for banking information cryptocurrency or gift cards. If you receive a message from any other domain or requesting payment do not respond and report it to

Required Experience:

Senior IC

Employment Type : Full Time
Experience: years
Vacancy: 1