Senior C++ Embedded Developer (f/m/x)

Sii Poland; Poznań; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Medical care

Centre for internal trainings

Open management

Team events

Job summary

Sii Poland is hiring for a senior C++ embedded software engineer to develop high‑level software for industrial control systems and communication modules. You will work on cross‑platform components focusing on reliability, scalability, and system architecture.

The role requires 5+ years of C++ experience, RTOS knowledge, and strong English and Polish language skills. You will collaborate with multiple teams, navigate a large codebase, and contribute to ongoing refactoring and testing efforts in

Qualifications

• Minimum 5 years of experience in programming in C++.
• Knowledge of embedded systems and RTOS.
• Good knowledge of Ethernet and TCP/IP protocols.
• Understanding of networks and the OSI model.
• Ability to debug embedded devices.
• Advanced proficiency in English and Polish.

Responsibilities

• Maintaining and developing software for communication modules of industrial devices.
• Refactoring and testing existing solutions.
• Collaborating with the development team to define and assess proposed solutions.
• Working with other teams regarding software functions and product directions.
• Navigating a large codebase and communicating in Polish and English.

Skills

C++ programming

Embedded systems

RTOS

Networking TCP/IP

Debugging embedded devices

English language

Polish language

Job description

Join the team developing the next generation of software for industrial control systems and communication modules. The project focuses on creating and developing advanced embedded components in C++, used in industrial automation solutions. The work involves the development of a high-level software layer responsible for communication, integration, and key system functions. The project emphasizes the development of high-level software components and services designed to be used across various hardware platforms. A strong focus is placed on system architecture, network communication, reliability, and software scalability.

Your tasks

• Maintaining and developing software for communication modules of industrial devices
• Refactoring and testing existing solutions
• Collaborating with the development team to define and assess proposed solutions
• Working with other teams in the organization regarding software functions and product development directions
• Navigating a large codebase and communicating in Polish and English

Requirements

• Minimum 5 years of experience in programming in C++
• Knowledge of embedded systems and real-time operating systems (RTOS)
• Good knowledge of communication protocols, including Ethernet and TCP/IP
• General knowledge of networks and the OSI (Open Systems Interconnection) model
• Ability to debug embedded devices
• Advanced proficiency in English and Polish
• Required to be located in Poland

Nice to have

• Knowledge of Python
• Familiarity with the Standard Template Library (STL)
• Experience working in Scrum methodology

Job no. JOB-8JT7C

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 For You

• 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