Senior Software Engineer

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)