You will be responsible for planning, designing, and executing test cases for embedded systems, ensuring products meet functional and non-functional requirements. You will join our QA team on an IoT project where you will validate system stability, connectivity, and hardware integration.
Apply for this roleAbout the role
Day-to-day work includes creating and maintaining test documentation, performing manual testing, logging and tracking defects, and collaborating closely with developers, product managers, and designers to resolve issues. The role involves contributing to continuous improvement of QA processes, maintaining high quality standards, and supporting releases through regression testing and verification of fixes. You will also participate in sprint activities, provide clear feedback on product quality, and help refine acceptance criteria and technical specifications.
The stack & environment
IoT Protocols & Connectivity
- Wi-Fi
- Bluetooth/BLE
- MQTT
- RPC
- REST APIs
Test Architecture
- Hardware-in-the-Loop (HIL) automation setups
- Hardware test benches
Firmware Deployment
- Over-the-Air (OTA) updates
- Embedded OS builds
Hardware Tools
- Logic analyzers
- Oscilloscopes
- JTAG
- UART
- I2C
- SPI
The work
Embedded Validation
Design, develop, and execute comprehensive test plans for firmware directly on embedded hardware targets.
Protocol & Connectivity
Stress-test wireless and IoT application layer protocols for connectivity resilience, edge cases, and security vulnerabilities.
Firmware & OS Build Testing
Drive functional, regression, stability, and OTA update testing across build cycles.
Root Cause Analysis
Triage complex hardware/firmware bugs, isolate the failure points, and work directly with embedded firmware devs to resolve them early.
What you bring
- 3+ years (Mid) or 5+ years (Senior) of hands-on software/hardware QA experience specifically focused on embedded systems.
- Practical, working knowledge of wireless protocols (Wi-Fi, BLE) and application layer protocols (MQTT).
- Practical familiarity with hardware interfaces and physical debugging tools.
- A highly methodical approach to documentation and tracking down subtle, hard-to-reproduce edge cases.
Nice to have
- Direct experience setting up custom Hardware-In-The-Loop (HIL) automated test environments from scratch.
- Background in OTA firmware update testing and security validation.
- Proficiency in German.
What we offer
- A flat structure where your technical decisions matter and shape the product.
- A professional environment designed for engineers who want to focus on technical execution.
- Salary based on technical ownership and experience.
Think you’re the right fit?
Send us your CV and anything else that gives us a clear picture of your experience.