SIEGENIA GRUPPE | Germany | 57xxx Wilnsdorf | Permanent position | Full time / Home office | Published since: 22.01.2026 on stepstone.de
Embedded Software Developer Firmware for Microcontrollers (m/f/d)
About the SIEGENIA GROUP Innovation has a tradition at SIEGENIA. And this already in the fourth generation. Directional for our thinking and acting is the topic of room comfort. Our goal is to develop solutions for window, door and comfort systems in close cooperation with our customers to make spaces alive so that people feel comfortable in them. More than 2,800 colleagues meet new challenges every day and ensure satisfied customers in more than 80 countries worldwide in an exciting industry. .
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Your tasks • Your profile • What we offer
Creation, maintenance and development of device firmware Support in the design, specification and documentation of interfaces for the interaction of the different software levels Participation in Sprints Implementation of a CoAP interface on an ESP32 S3 with event handling, exception handling based on a documented concept Creation of a CDDL-based documentation of CBOR structs Creating a standardized interface of this API to an existing software architecture Implementation of an OTA functionality for the Cortex M4 Integrating concepts and implementation decisions into existing documentation Possibility of mobile work with up to 40% weekly after the installation phase
Complete study of computer science, electrical engineering or equivalent qualification Safe handling in programming with C (C++) for microcontroller programming (e.g. ESP32, freertos) Good knowledge in handling development tools (VS code, Git) Experience with documentation tools (e.g. drawio) Experience with ticket systems and software development workflows (e.g. Jira) Very good knowledge of German in word and writing (at least B2 level)
Flexible working hours Staff parking Bike leasing Canteen individual target agreements Staff development programme Health programmes Occupational pension Comprehensive onboarding Farm nursery Job ticket Group accident insurance
Location
 | SIEGENIA GRUPPE | |
| 57234 Wilnsdorf | ||
| Germany |
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