Junior/Middle Firmware Engineer

Lviv only

Full-time

C/C++I2C, SPI, UART, GPIO

Description

Project Summary Domain: Physical access control / smart lock hardware - embedded firmware development for a security-focused client in the door hardware and access control industry. Scope: Firmware development for battery-powered, wirelessly connected lock/access-control devices, covering low-level peripheral control, secure credential handling (BLE/NFC-based mobile and card access), and integration with cloud reporting/OTA infrastructure.

Necessary skills and qualifications:

1+ years of professional experience
BS in CS/EE/CE or equivalent practical experience.
Strong C/C++ for microcontrollers.
Peripheral-level work - I2C, SPI, UART, GPIO
Debugging tooling - JTAG/SWD, logic analyzer, oscilloscope.
Git-based workflow, code review discipline
English B1+
Willingness to work closely with the firmware & hardware team
Participate and communicate politely at daily meetings (minimum 1-2 hours per day)
Comfortable working in a distributed team across time zones

Would be a plus:

CAN buss protocol
Embedded security fundamentals — secure boot, encrypted storage, key management
Embedded Linux

Responsibilities:

Develop firmware for microcontrollers.
Support board bring-up and low-level debugging.
Optimize firmware for performance, reliability, and power efficiency.
Contribute to firmware architecture and coding standards.
Work closely with the technical writer to ensure the code is properly documented.