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Senior II Firmware Engineer
6000-6500 €/mon.
gross
CVbankas.lt calculator data.
Full-time
Vilnius
- Softeq Development, UAB
Job description
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:
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.
Company offers
Work life balance
Flexible work hours Extra paid vacationHealth
Health insuranceOffice
Shower Free GymTransport
Free parkingSalary
6000-6500
€/mon.
gross
Work place
Softeq Development, UAB
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 Development, UAB information
5420 €
Avg. salary gross
(2.5X higher than LT average)
56
Number of employees
3-5 mln. €
Revenue 2025 y.
Distribution of employees by salary (before taxes):
25% earn up to
4505 €
25% earn
4505-5499 €
25% earn
5499-6485 €
25% earn more than
6485 €