At Q-tech, we are partnering with a integral leader in electronic design, test and measurement technology, serving industries such as communications, 5G/6G, automotive, energy, quantum computing, aerospace, defense and semiconductors. The company is in an active growth phase, backed by strong R&D; investment and a long-term engineering culture.
We are looking for a Senior R&D; Software Engineer (Modern C++ / Instrument Infrastructure) to join a newly formed team in Barcelona, building reusable infrastructure technology used by product teams worldwide.
Responsibilities

Design, develop and maintain high-performance Modern C++ software for hardware control, data acquisition and instrument platform capabilities.
Collaborate with product architects on infrastructure requirements and system architecture for next-generation instrument platforms.
Integrate hardware and software components, ensuring reliable,



high-performance operation of complex instrument systems.
Debug and troubleshoot across the full stack, from register-level interfaces and drivers to application-level software.
Collaborate with distributed engineering teams (including a US-based team) across the full development lifecycle.

Requirements

Strong experience with Modern C++, object-oriented programming and modern software architecture.
Several years developing hardware control or hardware-adjacent software.
Experience with PCIe and high-speed Ethernet, and understanding of driver/real-time processing architectures.
Development experience in Linux and/or Windows environments.

What is offered

Stock options.
Hybrid model (~2-3 days/week office), permanent contract.

📌 Senior R&D Software Engineer (Barcelona)
🏢 Q-Tech
📍 Barcelona