Senior Site Reliability Engineer

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 experience by reducing noise and ensuring actionable telemetry

• Partner with software engineering teams to embed reliability practices early in the development lifecycle

Who you are
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. You'll be a great fit if you:

• Have solid hands-on experience (5y+) in a Site Reliability Engineering role within a large-scale, multi-team production environment

• Have proven experience with cloud platforms such as AWS, GCP, or Azure

• Have strong experience with containerization and orchestration technologies, Kubernetes is a must, its deployment and scaling strategies ecosystem

• Have experience working closely with software engineering teams to co-design reliable systems

• Have hands-on experience with infrastructure as code, particularly Terraform, applied in real production contexts

• Have experience managing on-call rotations and leading incident response in high-stakes environments

• Have experience with GitOps workflows (ArgoCD, Helm)

• Are comfortable with at least one scripting or programming language (Python, Go, Ruby...) for automation

It would be fantastic if you:

• Have implemented and operated SLIs, SLOs, and error budgets in production

• 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.

• 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.

What we offer

• A Deutschlandticket (Germany-wide public transport pass) fully paid for by Doctolib

• 28 vacation days + 1 additional day for each full calendar year of employment (up to a maximum of 30 days)

• Work from abroad for up to 10 days per year thanks to our flexibility days policy

• Company health insurance with great supplementary benefits through our partner Allianz

• Company pension scheme (bAV) through Allianz with an employer subsidy of 40% (15% within the probationary period)

• The Doctolib Parent Care program, which includes one month additional parental leave and much more

• Enrollment in Doctolib's long-term employee value sharing plan called DoctoGrowth

• Free mental health and coaching services through our partner Moka.care

• Subsidized sports membership through our partner Urban Sports Club

• A flexible workplace policy offering both hybrid and office-based mode

• Alongside healthy snacks and our regular breakfast buffet, we provide a subsidized meal benefit

• For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support

• Relocation support in case of international mobility

• Access to the best AI tools for coding, development and dedicated training