Linux Embedded Developer | Branża Technologiczna

Edge One Solutions is a technology community with over 350 experts, part of the Euvic Group with 5500 employees. The client is a technology service company specializing in embedded software, engineering projects, and technical documentation services, helping clients innovate and digitize.

• Practical knowledge of Linux Kernel internals, especially scheduler, memory management, IRQ/driver stack
• Experience analyzing execution traces using KernelShark, trace-cmd, and ftrace
• Ability to interpret traces, analyze latency, performance regressions, and identify bottlenecks
• Experience profiling and optimizing system performance including CPU usage, scheduler latency, memory footprint, and I/O performance
• Very good knowledge of Embedded Linux systems, especially Yocto-based distributions, systemd, and cross-compilation
• Experience debugging embedded systems with tools such as strace, dmesg, perf, ftrace, LTTng
• Practical knowledge of Yocto Project including building and maintaining images, working with poky, bitbake, and layers
• Ability to create custom recipes, meta layers, modify BSP, and optimize build times
• Knowledge of Yocto mechanisms like devtool, do_compile/do_install, bbappend, and distro configuration
• Good knowledge of Linux networking stack, especially netlink, TC, and eBPF
• Experience implementing or modifying XDP/eBPF programs for packet filtering and traffic measurement
• Comfortable using tools: perf, top/htop, vmstat/iostat, bpftrace, KernelShark, flame graphs

Nice to have:

• Experience optimizing real-time or high-performance systems
• Knowledge of Linux network stack analysis and tuning
• Experience working with BSP and adapting hardware platforms for projects
• Practical knowledge of tools and methods supporting performance regression analysis

Analysis and optimization:

• Analyze and optimize performance of Embedded Linux systems
• Diagnose kernel latency, CPU usage, memory, and I/O performance issues
• Analyze traces and diagnostic data to identify performance bottlenecks

Yocto environment:

• Develop and maintain Yocto environment including images, recipes, layers, and distribution configurations

Debugging:

• Debug and improve embedded systems using tools like strace, dmesg, perf, ftrace, LTTng

Networking:

• Support Linux networking stack and solutions based on XDP/eBPF

Collaboration:

• Work with project team to implement and maintain efficient, stable embedded solutions

Work in hybrid mode from the client's office in Wrocław, Poland.