The OpenEarable is the world’s first fully open-source AI platform for ear-based sensing with true wireless audio. It integrates a rich set of sensors (IMU, pressure, temperature, optical PPG, microphones, LEDs, speaker) in a compact, modular design, enabling applications in biosensing, motion tracking, and real-time interaction via BLE and mobile apps. Learn more at open-earable.teco.edu.

The TECO research group at the Karlsruhe Institute of Technology (KIT) is seeking a motivated Research Assistant (wissenschaftliche Hilfskraft) to focus on firmware development for OpenEarable, with additional tasks in mobile app development.

Your Responsibilities:

• Develop and optimize embedded C++ firmware for microcontrollers

• Hardware-near programming (sensor interfacing, I²C, SPI, PDM, BLE)

• Implement and test drivers, real-time data processing, and system integration

• Contribute to the OpenWearable App with Flutter (Android/iOS) for device control and visualization

Your Profile:

• Strong C++ skills for embedded/firmware projects

• Experience in hardware-near programming and embedded toolchains

• Desirable: Experience with ZephyrOS and BLE communication

• Desirable: Flutter knowledge for cross-platform mobile development

• Independent, structured, and team-oriented work style

We Offer:

• Work in an open, cutting-edge research project at TECO, KIT

• Involvement in both firmware and app layers for a real-world wearable platform

• Flexible working hours in a collaborative team environment

Details:

• Research Assistant (HiWi), 40 h/month

• Location: TECO, KIT, Karlsruhe, Germany

• Start: Immediately or by agreement

Apply:

Send CV, short motivation letter, and relevant documents to: Michael Küttner