Senior Site Reliability Engineer (x/f/m)

<h2><strong>Your Impact</strong></h2> <p>We are looking for a <strong>Senior Site Reliability Engineer</strong> to join our SRE team dedicated to platform reliability within Platform Engineering.</p> <p>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.</p> <p>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.</p> <h2><strong>What you'll do</strong></h2> <p>Your responsibilities include but are not limited to:</p> <ul> <li>Build and maintain infrastructure automation and infrastructure-as-code at scale, with a strong focus on consistency, reliability, and developer experience across 170+ applications</li> <li>Identify and lead large-scale cross-cutting reliability initiatives, including improvements to incident detection, response, and postmortem analysis capabilities</li> <li>Design, build, and improve infrastructure components that support reliability, scalability, and observability across the platform</li> <li>Define and drive SLOs, error budgets, and alerting standards across multiple product teams</li> <li>Take part in the on-call rotation, and actively contribute to improving our on-call experience by reducing noise and ensuring actionable telemetry</li> <li>Partner with software engineering teams to embed reliability practices early in the development lifecycle</li> </ul> <h2><strong>Who you are</strong></h2> <p>Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply.</p> <p><strong>You'll be a great fit if you:</strong></p> <ul> <li>Have solid hands-on experience (5y+) in a Site Reliability Engineering role within a large-scale, multi-team production environment</li> <li>Have proven experience with cloud platforms such as AWS, GCP, or Azure</li> <li>Have strong experience with containerization and orchestration technologies, Kubernetes is a must, its deployment and scaling strategies ecosystem</li> <li>Have experience working closely with software engineering teams to co-design reliable systems</li> <li>Have hands-on experience with infrastructure as code, particularly Terraform, applied in real production contexts</li> <li>Have implemented and operated SLIs, SLOs, and error budgets in production</li> <li>Have experience managing on-call rotations and leading incident response in high-stakes environments</li> <li>Have experience with GitOps workflows (ArgoCD, Helm)</li> <li>Are comfortable with at least one scripting or programming language (Python, Go, Ruby...) for automation</li> <li>Are fluent in English</li> </ul> <p><strong>It would be fantastic if you:</strong></p> <ul> <li>Appreciate working in regulated environments, healthcare, fintech, or similar. At Doctolib, data privacy and compliance are part of every engineering decision: you'll live it here from day one.</li> <li>Care about reliability enablement, golden paths, runbooks, shared libraries. If it's new to you, no worries: it's how we work at Doctolib, and you'll help us build it.</li> </ul> <h2><strong>Life at Doctolib Tech</strong></h2> <ul> <li>Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to country and healthcare specialty requirements.</li> <li>Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.</li> <li>We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision<a href="https://careers.doctolib.com/ai-careers/"> here</a>.</li> </ul> <p>Want to learn more about our tech culture and environment? Visit the<a href="https://careers.doctolib.com/tech-doctolib/"> Doctolib Tech site</a>.</p> <p><strong>What we offer</strong></p> <ul> <li>Free comprehensive health insurance (basic package) for you and your childre