Firmware Engineer – Embedded Systems – Valencia, Spain

Join Orbotix as an Firmware Engineer – Embedded Systems - Valencia, Spain

About us

Orbotix is a defense tech company specializing in autonomous drones, robotics, and advanced AI. We combine cutting-edge engineering with deep domain knowledge to build high-performance systems for mission-critical environments.

As a Firmware Engineer , you will develop and maintain low-level embedded firmware that runs on our custom electronics. You will play a key role in hardware bring-up, driver development, and hardware–software integration for UAV platforms.

Key Responsibilities

• Develop, test, and maintain embedded firmware for microcontrollers (C/C++).
• Implement and validate drivers for sensors, peripherals, and communication interfaces.
• Support board bring-up and low-level debugging (JTAG/SWD, logic analyzers, oscilloscopes).
• Collaborate closely with electronics engineers during hardware–software integration.
• Optimize firmware for performance, reliability, and power efficiency.
• Contribute to firmware architecture and coding standards.
• Document firmware functionality and integration procedures.

Must-Have Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Embedded Systems, or a related field.
• Solid experience developing embedded firmware in C/C++.
• Strong understanding of microcontroller architectures and embedded hardware.
• Experience debugging low-level firmware and hardware–software interaction.
• Familiarity with common communication protocols (SPI, I2C, UART, CAN, etc.).
• Excellent communication and teamwork skills.
• Ability to manage multiple tasks and priorities.
• English at B1/B2 level (written and spoken).

Preferred Qualifications

• Experience with UAVs, robotics, or real-time embedded systems.
• Background in defense, aerospace, or safety- / mission-critical systems.
• Experience with RTOS environments.
• FPGA experience is a plus.
• Experience working in a startup or fast-paced R&D environment.

What We Offer:

• Flexible working hours
• Day off on your birthday
• Referral bonus for successful hires
• A multicultural and mission-driven work environment

Application Process:

To apply, please send your CV to [email protected]

How does the recruitment process look like?

• HR screening
• 30–40 min cultural fit interview with HR
• Technical interview
• Final interview with the COO
• Job offer

We aim to keep the process clear, human, and efficient — and we’re always happy to improve.