Senior Site Reliability Engineer (x/f/m)

Your Impact We are looking for a Senior Site Reliability Engineer to join our SRE team dedicated to platform reliability within Platform Engineering. Your mission will be to ensure Doctolib's platform remains reliable, scalable, and resilient at a European scale across infrastructure, observability, and cross-cutting reliability initiatives. You will work within a team driving reliability standards across 170+ applications, contributing directly to supporting 520,000 health professionals and 90 million patients in their daily healthcare journey. Working in the tech team at Doctolib means taking ownership of critical systems, driving reliability improvements end-to-end, and partnering closely with product and engineering teams to enable fast, safe delivery. What you'll do Your responsibilities include but are not limited to: • Build and maintain infrastructure automation and infrastructure-as-code at scale, with a strong focus on consistency, reliability, and developer experience across 170+ applications • Identify and lead large-scale cross-cutting reliability initiatives, including improvements to incident detection, response, and postmortem analysis capabilities • Design, build, and improve infrastructure components that support reliability, scalability, and observability across the platform • Define and drive SLOs, error budgets, and alerting standards across multiple product teams • Take part in the on-call rotation, and actively contribute to improving our on-call…