Senior Embedded Firmware Engineer – C/C++, Zephyr RTOS

Jit Team; Kraków; Hybrid; PLN 177,000 - 258,000; Full time

Job summary

Jit Team in Kraków is seeking an experienced embedded software engineer to develop firmware for next‑generation devices. You will work on architecture, design, and optimization across international teams, contributing to reliable firmware and performance improvements.

The role requires at least 5 years of embedded experience, strong C/C++ skills, and hands-on Zephyr RTOS expertise. You will join an environment with hybrid work, collaborating across global engineering teams and mentoring peers.

Qualifications

• Minimum 5 years of commercial experience in embedded software development.
• Strong programming skills in C and C++.
• Practical knowledge of RTOS, including real-time system concepts.
• Hands-on experience with Zephyr RTOS.
• Experience with the Twister testing framework.
• Familiarity with ARM Cortex-M and/or RISC-V architectures.
• Good understanding of hardware/software interactions and embedded system limitations.
• Experience in debugging, testing and optimizing embedded applications.
• Ability to work independently and take ownership of technical tasks.
• Very good English communication skills.
• Availability to work from the Kraków office at least 3 days per week

Responsibilities

• Supporting the planning and tracking of engineering activities, ensuring maintenance of project plans.
• Develop and maintain embedded software using C and C++.
• Design and implement firmware components for new-generation devices.
• Participate in technical discussions and contribute to software architecture decisions.
• Work with real-time operating systems (RTOS) and microcontroller-based platforms.
• Troubleshoot complex firmware issues and optimize system performance.
• Develop and maintain automated tests to ensure software quality and stability.
• Collaborate with international engineering teams throughout the development lifecycle.
• Participate in code reviews, share technical knowledge and support less experienced engineers.
• Identify opportunities to improve development processes and existing solutions.

Skills

C/C++

RTOS

Zephyr RTOS

Twister testing

ARM Cortex-M

RISC-V

English

Tools

Zephyr RTOS

Twister

RTOS

ARM Cortex-M

RISC-V

Job description

Jit Team in Kraków is seeking an experienced embedded software engineer to develop firmware for next‑generation devices. You will work on architecture, design, and optimization across international teams, contributing to reliable firmware and performance improvements.

The role requires at least 5 years of embedded experience, strong C/C++ skills, and hands-on Zephyr RTOS expertise. You will join an environment with hybrid work, collaborating across global engineering teams and mentoring peers.