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December 17, 2025

C/C++ Model Based Development Engineer

Mid • Hybrid

Katowice, Poland

Work in an international team. The R&D project focuses on communication and integration of devices with the cloud / IoT.

Embedded software development includes, among others:

• Creating software on the device that enables communication with the cloud – for example using MQTT, HTTP/REST, or WebSockets protocols.

• Responsibility for collecting measurement data from the device, processing it, and sending it to the backend, as well as receiving remote commands.

• Ensuring communication security, firmware protection, certificates, and encryption of data transmission.

• Implementing consistent software updates for the device and the backend (embedded + cloud + front-end).


Our expectations:

  • Matlab/Simulink modeling,

  • Model-based development ( Simulink ),

  • Software requirements management ( Polarion ),

  • Testing approaches: MIL/SIL, Simulink Test,

  • Base C++ knowledge for integration,

  • English or German proficiency,

  • Hybrid work from Katowice 70/30 ; 70% from home; 30% from the office. Work starts with two weeks of onboarding at the headquarters in Germany. After that, you will travel there once every quarter for a week for planning sessions.


Nice to have"

  • Experience in IoT and heating systems ( heat pumps ),

  • Agile developments experience.


Main responsibilities:

  • Create and refine control models for heating systems in Matlab/Simulink,

  • Derive models for integration into C++ embedded platform,

  • Define and manage software requirements in Polarion,

  • Conduct MIL/SIL testing ( Simulink Test ) and integration test ( Robot Framework ),

  • Work & collaborate in agile teams to meet sprint goals.