act digital is an international consulting and engineering group that supports its clients in their digital transformation projects.

Present in 12 countries and with more than 7,000 employees, we leverage our expertise to address their challenges in software development, cybersecurity, data, cloud, and AI.

Our ambition: to become the trusted technology partner of the most innovative companies, by designing and securing systems that enhance their performance and resilience.

Joining act digital means becoming part of an agile and committed organization that works closely with its clients to turn ideas into concrete results, with pragmatism and high standards.

Job Description :

You will join our team of experts in embedded engineering.

Your responsibilities will include:





Implement and maintain security-critical firmware components, like secure boot, secure diagnosis, secure flashing.
Integrate cryptographic libraries
Implement key provisioning
Build unit tests for firmware modules
Implement HSM interface

Profile / Requirements :

What profile are we looking for this position:

Must-have skills :

Strong experience with C/C++
Experience with MISRA-C
Familiarity with hardware security modules on microcontrollers
Fluent in English
Familiarity with ISO21434 is a plus

📌 Embedded Security Firmware Developer (Madrid)
🏢 act digital EMEA - Alter Solutions
📍 Madrid