Job Summary: We are looking for a C/C++ Software Developer with at least 3 years of experience and knowledge of messaging (API REST, MQTT, WS) to join our team. Key Points: 1. C/C++ development experience 2. Knowledge of messaging (API REST, MQTT, WS) 3. Access to continuous training C/C++ Software Developer At Arelance, we know that people are the most important asset within a company; therefore, we invest significant effort in identifying the best professionals for our clients and offering our candidates the best projects. Currently, we are seeking to hire a C/C++ Software Developer What are we looking for in you? * Minimum 3 years of experience. * Messaging (API REST, MQTT, WS). **Desirable:** * Jira knowledge * Software version control knowledge (preferably GIT) * Knowledge of Continuous Integration/Continuous Deployment (Jenkins, Docker, Kubernetes...) * Application testing experience (unit tests, integration tests...) (Mockito, Google Test) * Knowledge of design patterns and Clean Code * Use of Docker, CI/CD. * Use of Visual Studio Code IDE, CMakeLists * Experience with Collections Systems. What do we offer in this position? * Permanent contract with Arelance * Access to training * Work mode: Hybrid in Madrid (3 days in office and 2 days remote) If you are interested in this great opportunity, apply now! We want to meet you! Only candidates with work and residence permits in Spain will be considered c,c++,api rest, mqtt, ws