C++ Developer – Embedded / IoT (f/m/x)

Sii Sweden; Katowice; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

Sii Sweden AB in Katowice is seeking a C++ Embedded Developer to join an international project developing software for heating systems, including heat pumps and Smart Home solutions. You will work on embedded software that controls heating devices and enables communication within the ecosystem, in a hybrid setup with office presence in Katowice six days per month.

The team follows Agile, with emphasis on code quality, test automation, and CI, collaborating with system architects and hardware

Qualifications

• Experience developing embedded software for heating or IoT devices.
• Ability to write reliable, maintainable C++ across embedded platforms.
• Familiarity with Agile processes, CI, and test automation is a plus.

Responsibilities

• Develop embedded software to control heating systems and enable inter-device communication.
• Collaborate with system architects and hardware teams to integrate components.
• Contribute to code quality through testing, automation, and CI pipelines.

Skills

C++ Embedded

IoT

Job description

We are looking for a C++ Embedded Developer to join one of our projects and become part of an international team developing software for the latest generation of heating systems, including heat pumps and Smart Home solutions.

The project combines traditional heating technologies with modern IoT solutions, enabling devices to operate more energy-efficiently and conveniently for users.

The team is responsible for developing embedded software that controls heating systems and manages communication between devices within the ecosystem. The work involves collaboration with system architects and engineering teams developing various components. The project is executed using Agile methodology, with a focus on code quality, test automation, and continuous integration.

The team works in a hybrid model. Availability to work from the Katowice office 6 days per month is required.