Software Development Engineer Middleware Contexte de la mission: Viveris supports a client, an international leader in developing residential gateways to the internet and in the development and integration of low and application layers of various software. In this context, we are looking for a software development engineer middleware (H/F) to join the generic software team. Your Responsibilities: Integrated into the gateway entity team, you will be in charge of developing the middleware based on prplOS. The objective of the mission is to develop the support of the "Service scheduling" functionality: Write functional and technical specifications; Design the scheduler architecture and define a data model for storing configurations; Develop the scheduler connectors to existing services for dynamic activation/deactivation: Develop a REST API allowing users or third-party systems to configure and monitor scheduling rules: Test and validate the integration of the scheduler with the middleware by simulating different use cases to ensure robustness; Perform load tests to evaluate the performance of the scheduler; Identify and correct any bugs; Write user documentation (configuration of rules, API, supervision). Profil recherché: You have an engineering degree or equivalent (Bac +5); You have at least 3 years of experience in a similar position; Network and telecom knowledge is appreciated. Technical environment: Linux C/C++ software; Scheduler Timer; Event loop. Our benefits: Attractive and scalable remuneration; High-guarantee family mutual; Restaurant vouchers covered at 60%, 100% urban transport ticket reimbursed; Interest, participation and recruitment bonuses; Up to 2 days of telework per week; Continuous training with LinkedIn Learning and our technical communities. In return, we offer you a quality work environment, spaces for creation and solid continuous training. Are you passionate, tech-savvy, curious and creative? Then we would be delighted to meet you.