Full-time

Senior Software Engineer

Posted by CIS Electronics Engineering • chazo, chazo, Spain

📍 chazo, chazo 🕒 February 26, 2026

About the Role

Freelance Project Opportunity – Senior Software Engineer (Madrid, Hybrid)


We are looking for a Senior Software Engineer to join a freelance project in Madrid.

This is a hybrid role with regular on‑site work required.


Key Skills & Experience:


  • Strong background in C/C++ development for embedded systems
  • Proficiency in Linux
  • Experience in software design & architecture for real‑time sensor applications
  • Knowledge of CI/CD processes and version control
  • Familiarity with SoC platforms
  • Ability to analyze and refactor legacy C++ code
  • Experience with API design & development (REST, ONVIF, CGI)
  • Strong knowledge of internal protocols : MQTT, serial communication, sockets


Location: Madrid (Hybrid, regular on‑site presence)

Ready to Apply?

Submit your application today and take the next step in your career journey with CIS Electronics Engineering.

Apply Now