Senior Embedded Linux Engineer

This is a fully remote position, open to applicants in Poland.

📋 Description

• Design, develop, and sustain custom embedded Linux distributions utilizing Yocto or Buildroot.

• Initiate new hardware platforms and collaborate with the hardware team to troubleshoot issues spanning from schematics to software.

• Create and maintain Board Support Packages (BSPs) and bootloaders like U-Boot.

• Tailor the Linux kernel and write/debug drivers for interfaces such as I2C, SPI, UART, and MIPI-CSI/DSI.

• Produce robust and efficient C/C++ code for system services and applications.

• Enhance boot time, memory usage, and power efficiency.

• Implement and uphold Secure Boot and encrypted filesystem functionalities.

• Troubleshoot firmware and hardware-related issues using JTAG/SWD, serial logs, logic analyzers, oscilloscopes, and vendor tools.

• Work in partnership with hardware, mobile, QA, backend, product, and client-side engineering teams.

• Engage in requirements discussions, technical planning, architectural decisions, estimations, and delivery planning.

• Test firmware releases, explore development and QA issues, and maintain technical documentation.

• Share expertise and enhance engineering practices within the Firmware & Hardware chapter.

• Collaborate within a project squad led by a PM for daily delivery tasks.

• Participate in a structured ramp-up period and work alongside a technical buddy.

⛳️ Requirements

• Over 4 years of professional experience in embedded or firmware development.

• Extensive hands-on experience with C/C++ in embedded systems.

• Practical experience with embedded Linux build systems like Yocto Project or Buildroot.

• Strong understanding of the Linux kernel, device drivers, and device tree.

• Experience with CI/CD for embedded projects, such as GitHub Actions, Jenkins, or GitLab CI.

• Familiarity with bootloaders, specifically U-Boot.

• Knowledge of embedded constraints such as timing, memory, peripherals, boot time, and power consumption.

• Capability to debug firmware and hardware-related issues using JTAG/SWD, serial logs, logic analyzers, and oscilloscopes.

• Proficiency in reading schematics, datasheets, technical documentation, and errata.

• Familiarity with UART, SPI, I2C, GPIO, or similar interfaces.

• Expertise in Bash and/or Python for automation and testing purposes.

• Strong Git skills and comfort in collaborating on GitHub through pull requests, code reviews, and shared repositories.

• Proficient command of written and spoken English, minimum B2 level.

• Demonstrated ownership, self-reliance, and accountability for assigned tasks.

• Effective communication with engineers, PMs, QA, and clients.

• A problem-solving mindset.

• Freelance, time-and-material engagement on a B2B basis.

• Nice-to-have experience with various platforms, embedded Linux toolchains, drivers, user-space applications, ARM Cortex-M, FreeRTOS or Zephyr, Bluetooth/BLE, TCP/IP, Wi-Fi, Ethernet, MQTT, multimedia/audio, security features, sensor integration, power profiling, Docker, and personal GitHub/GitLab projects.

🏝️ Benefits

• Truly flexible working hours.

• Fully remote opportunity across Europe.

• Access to internal knowledge-sharing sessions: tech talks, experiments, and side projects.

• Structured ramp-up period.

• Pairing with a technical buddy.

• Progressive task assignments.

• Early and frequent feedback.

• Opportunity to transition to a permanent contract with a fixed salary and comprehensive benefits package.

• Paid leave and medical benefits available with the permanent contract (not applicable during the freelance period).