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 we've 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 let's get started and build a better future together! Softeq is looking for a Senior Firmware Engineer in the Embedded Systems department. We're 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 / Zephyr NCS 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 Memfault experience; 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); Bachelor’s degree in Computer Science, Electrical Engineering or related field. Softeq communicates only from @ softeq.com 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.

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