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

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

Benefits offered by this job

Great Place to Work

Medical care

Profit sharing

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Regular integration events and trips

Centre of internal trainings

Job summary

Sii Poland is seeking an experienced embedded C++ developer to join a team building software for industrial control systems and communication modules.

You will work on a high‑level software layer for communication, integration, and core system functions across multiple hardware platforms, with strong emphasis on system architecture, network reliability, and scalable software. The role involves debugging embedded devices and collaborating with cross‑functional teams in Polish and English.

Qualifications

• 5+ years of professional experience in C++ in embedded environments.
• Solid knowledge of Ethernet/TCP‑IP communication protocols.
• Experience debugging embedded devices and navigating large codebases.
• Proficient English and Polish communication in a team setting.

Responsibilities

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

Skills

C++ programming

Embedded systems

RTOS

TCP/IP networking

Embedded debugging

English

Polish

Tools

STL

Python

Job description

Join the team developing the next generation of software for industrial control systems and communication modules. The project focuses on creating and advancing advanced embedded C++ components used in industrial automation solutions.

The work involves developing 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. 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 evaluate proposed solutions
• Cooperating with other teams within 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 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 reside in Poland

Nice to have

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

Job no. JOB-ZRY9C

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