IT Sonix Custom Development GmbH

Embedded Hardware Engineer

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 – Develop complex embedded firmware using FreeRTOS and MQTT
  • Hardware & Sensors – Select, design and test electronics, sensors and actuators
  • Prototyping & Soldering – Build, wire, troubleshoot and optimize prototypes
  • End-to-end IoT Solutions – Think from concept through hardware to cloud integration
  • Customer-facing Engineering – Direct coordination with clients, technical consulting and sparring

Requirements

  • Embedded stack – Highly proficient with ESP32, esp-idf, FreeRTOS, MQTT and C programming
  • Hardware expertise – Strong electrical engineering and sensor knowledge plus hands-on experience owning hardware projects from concept to deployment
  • Tooling & scripting – Comfortable with Bash/PowerShell, preferably also Python
  • IoT & cloud understanding – Experience with Java/Spring Boot or C#, Azure DevOps/Pipelines, Azure SQL, IoT Hub and Log Analytics
  • Work style & communication – Highly self-organized, reliable in delivery, collaborative in a small team, fluent in German and English
Benefits
  • Career prospects – Stable workload and long-term client relationships
  • Work according to your needs – Option for home office and flexible working hours
  • Flat hierarchies – Short communication paths within and across departments, transparency and an open-door policy
  • A pleasant working atmosphere – Voluntary afterworks, company events and team outings
  • Wellbeing at the workplace – Sports and health offerings, massages and a company bike (JobRad)
  • Knowledge growth – Language courses, training budget and monthly technical talks
  • Good vibes – Complimentary lunch buffet offered twice weekly

Applicant Tracking System Keywords

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

Hard skills
ESP32esp-idfFreeRTOSMQTTC programmingelectrical engineeringsensorsBashPowerShellPython
Soft skills
self-organizedreliablecollaborativecustomer-facingtechnical consulting