Principal Test Engineer

Responsibilities:

Product Requirements & Validation

• Collaborate on defining product requirements based on field feedback and customer insights

• Ensure products meet both functional and non-functional expectations

• Review software deliverables to confirm alignment with scope and requirements

Test Environment Design & Adaptation

• Set up and maintain a continuous testing environment with automated reporting

• Define and evolve hardware and software test environments for automated validation

• Adapt test equipment to support new designs and requirements

• Establish and coordinate CE and UL testing procedures

Test Design & Execution

• Develop verification and validation test plans for reverse vending machines and their components

• Implement manual and automated test cases within existing frameworks (C/C++, Python)

• Define and maintain automated and regression testing strategies

• Coordinate certification testing (CE / UL) and external testing partners

• Analyze field data to identify risks and improve test coverage

• Execute validation plans, generate clear reports, and drive issue resolution with relevant teams

Qualifications:

• Degree in Mechatronics, Computer Science, Software Engineering, or equivalent practical experience

• Minimum 10 years of relevant experience in testing hardware and software for embedded systems

• Strong experience writing automated test scripts in C/C++ or Python within Linux-based environments

• Experience with embedded firmware development (e.g. Atmel, STM32, ZephyrOS, Raspberry Pi)

• Hands-on experience with debugging tools such as multimeters, oscilloscopes, and signal generators

• Experience with serial communication protocols (UART, I2C, RS485, CAN)

• Experience designing automated tests for embedded Linux command-line functionality (preferred)

• Experience with GUI test automation in embedded Linux systems (preferred)

• Familiarity with networking / distributed systems, Qt, version control systems, or computer vision (nice to have)

• Strong analytical and problem-solving skills, with the ability to work independently and collaboratively in a team environment, and communicate effectively across all levels of management

• Fluent in Romanian and English