IT Sonix Custom Development GmbH

Embedded Hardware Engineer – m/f/d

IT Sonix Custom Development GmbH

full-time

Posted on:

Location Type: Hybrid

Location: Leipzig • 🇩🇪 Germany

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Job Level

Mid-LevelSenior

Tech Stack

AzureCloudIoTJavaPythonSpringSpring BootSpringBootSQL

About the role

  • ESP32 & esp-idf – Development of complex embedded firmware with FreeRTOS and MQTT
  • Hardware & Sensors – Selection, design and testing of electronics, sensors & actuators
  • Prototyping & Soldering – Assembly, wiring, debugging and optimization of prototypes
  • End-to-end IoT Solutions – Thinking from concept through hardware to cloud integration
  • Client-facing Engineering – Direct coordination with clients, technical consulting & sparring

Requirements

  • Embedded stack – Highly proficient with ESP32, esp-idf, FreeRTOS, MQTT and C programming
  • Hardware expertise – Strong electrical engineering and sensor knowledge, with projects where you owned hardware from concept to production
  • Tooling & scripting – Comfortable with Bash/PowerShell, ideally also Python
  • IoT & cloud knowledge – Experience with Java/Spring Boot or C#, Azure DevOps/pipelines, Azure SQL/IoT Hub/Log Analytics
  • Work style & communication – Highly self-organized, reliable in delivery, close collaboration within a small team, very proficient in German and English
Benefits
  • Career prospects – due to a stable project pipeline and long-standing partners
  • Work according to your needs – option for home office & flexible working hours
  • Flat hierarchies – short decision paths within and across departments, information transparency and an open-door policy
  • A pleasant team atmosphere – optional afterworks, company events & team outings
  • Well-being at work – sports and health offers, massages & company bike (JobRad)
  • Professional growth – language courses, a training budget and monthly technical presentations
  • Good vibes – twice-weekly complimentary lunch buffet

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
ESP32esp-idfFreeRTOSMQTTC programmingBashPowerShellPythonJavaSpring Boot
Soft skills
self-organizedreliablecollaborationcommunication