We are looking for an experienced Software/Firmware Engineer to develop and maintain hardware-near software and embedded firmware for our optical communications test systems. In this role, you will work closely with R&D and production teams to ensure reliable, automated testing of next-generation optoelectronic components.

A development path toward a Team Lead position is available for candidates with leadership ambition and potential.

• Development, optimization, and debugging of software for controlling hardware test equipment.
• Implementation of instrument drivers, communication protocols, and automated test sequences.
• Creation and maintenance of firmware for microcontrollers used in test fixtures and support electronics.
• Integration of new test concepts into existing software frameworks.
• Development of simple GUIs for engineering and production tests.
• Support of software/firmware transfer from R&D to NPI and mass production.
• Collaboration with cross-functional engineering teams; optional leadership responsibilities.

Qualifications

• Several years of experience in hardware-near software development or automated test systems.
• Strong programming skills in C# and VB.NET for test and automation software.
• Experience with hardware interfaces: GPIB, RS232, USB, Ethernet, and embedded communication (SPI, I²C, UART).
• Ability to read and understand electronic datasheets, schematics, and basic hardware documentation to interface software with test hardware.
• Familiarity with version control (e.g., Git/Bitbucket).
• Basic understanding of optoelectronics, semiconductor testing, or production environments.
• Ability to work hands-on with lab equipment and test setups and hardware prototypes.
• Very good English skills. German is an advantage.

Nice-to-Have

• Experience with Python for scripting, data handling, or quick test automation.
• Experience with database-based data handling especially using Microsoft SQL Server or Oracle (logging, traceability, analysis).
• Willingness to grow into a leadership role

We offer an interesting and diversified opportunity in an internationally minded engineering team of a market-leading high-tech company in the field of high-speed optoelectronic components. You will find a creative and productive work atmosphere in a flexible work environment that shares the desire to succeed and a fascination for technical challenges and technological progress. We provide the following additional benefits:

• Flexible working hours
• 30 vacation days (overtime on top)
• Health benefits package including additional health insurance or fitness program
• Financial support for public transport or parking spot
• Bike lease program
• Bonus and private pension scheme