Electronic Engineer with C Embedded knowledge (f/m/x)

Sii Poland; Wrocław; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with big brands

Centre of internal trainings

Learn from experts

Open and accessible management

Job summary

Sii Poland is seeking an Electronic Engineer to design and implement low-level firmware for chargers and inverters, working with cross-functional teams in a dynamic environment.

You will develop bare-metal C software for power electronics devices, implement control algorithms, and collaborate with hardware engineers to optimize firmware on ARM microcontrollers. The role requires strong embedded expertise and presence at the Wroclaw office.

Qualifications

• Minimum 8 years of experience in embedded C programming.
• Strong knowledge of power electronics (LLC, converters, PFC).
• Experience with low-level programming on ARM microcontrollers.
• Good understanding of digital and analogue electronics.
• English proficiency.
• Availability to work from the office in Wrocław approximately 4 days per week.

Responsibilities

• Design and develop bare-metal embedded software in C for power electronics devices.
• Implement control algorithms such as PID and feedforward strategies.
• Collaborate with hardware engineers and analyze schematics.
• Optimize and debug firmware on ARM-based microcontrollers.
• Participate in code reviews and maintain version control best practices.

Skills

Embedded C programming

ARM microcontrollers

Power electronics

PID control

Digital & analogue electronics

English proficiency

Job description

Join Sii and play a key role in delivering advanced embedded solutions for power electronics systems to international clients. As an Electronic Engineer, you will be responsible for designing and implementing low‑level firmware for chargers and inverters. You will collaborate with cross‑functional teams and support strategic product development initiatives across the organization.

Responsibilities

• Design and develop bare‑metal embedded software in C for power electronics devices
• Implement control algorithms such as PID and feedforward strategies
• Collaborate with hardware engineers and analyze schematics
• Optimize and debug firmware on ARM-based microcontrollers
• Participate in code reviews and maintain version control best practices

Requirements

• Minimum 8 years of experience in embedded C programming
• Strong knowledge of power electronics (e.g., LLC, converters, PFC)
• Experience with low‑level programming on ARM microcontrollers
• Good understanding of digital and analogue electronics
• English proficiency
• Availability to work from the office in Wrocław approximately 4 days per week

Job no. JOB-73Y94

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti‑discrimination laws.

Benefits

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well‑equipped offices
• MySii app
• Medical care