Staff Site Reliability Engineer (x/f/m)

Doctolib; Paris; Hybrid; EUR 90,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Vacation days

Mental health support

Flexibility days

Lunch vouchers

Public transport subsidy

Parental leave

DoctoGrowth

Relocation support

Job summary

Doctolib in Paris seeks a Staff Site Reliability Engineer to lead reliability and scalability across a European platform, guiding infrastructure, observability, and cross-cutting reliability initiatives. You will mentor engineers and drive standards across 170+ applications, supporting tens of millions of users daily.

This role sits at the intersection of infrastructure, developer experience, and product engineering, requiring strong SRE expertise and collaboration with multiple teams.

Qualifications

• 8+ years of SRE, platform engineering, or infrastructure experience in a large-scale multi-team environment.
• Experience with cloud platforms such as AWS, GCP, or Azure.
• Strong containerization and orchestration knowledge (Kubernetes).
• Experience defining and operating SLOs, SLIs, and error budgets in production.
• Experience managing on-call rotations and incident response.
• Fluent in at least one backend language (Go, Python, Ruby).
• Excellent written and verbal communication; ability to influence across teams.

Responsibilities

• Lead large-scale reliability initiatives across the platform, including infrastructure automation, observability, and incident management.
• Improve incident detection, response, and postmortem processes.
• Define and evolve SLOs, error budgets, and alert standards for multiple product teams.
• Participate in on-call rotations and improve on-call experience with actionable telemetry.
• Mentor senior engineers and elevate reliability engineering practices across the company.
• Provide technical guidance to leadership and partake in architectural reviews.
• Partner with software teams to embed reliability early in development.

Skills

SRE experience

Cloud platforms

Kubernetes

SLOs/SLIs/metrics

On-call leadership

Backend programming (Go/Python/Ruby)

English fluency

Tools

Kubernetes

Terraform

Prometheus

OpenTelemetry

Datadog

ArgoCD

AWS

GCP

Azure

Job description

Your Impact

We are looking for a Staff Site Reliability Engineer to join our SRE team dedicated to platform reliability within Platform Engineering.

Your mission will be to act as a technical leader driving Doctolib's reliability and scalability at a European scale, ensuring our platform remains reliable, debuggable, and resilient across infrastructure, observability, and cross-cutting reliability initiatives. You will play a pivotal role in 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.

This role sits at the intersection of infrastructure, developer experience, and product engineering. You'll act as a technical leader and strategic partner to SREs, software engineers, and product teams, guiding decisions, mentoring engineers, and driving cross-cutting initiatives that elevate our operational maturity.

What you'll do

Your responsibilities include but are not limited to:

• Lead large-scale cross-cutting reliability initiatives across the platform, spanning infrastructure automation, observability, and incident management
• Identify and drive improvements to incident detection, response, and postmortem analysis capabilities
• Define and evolve 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 refining alerting, reducing noise, and ensuring actionable telemetry
• Serve as a mentor and technical coach to senior engineers, helping elevate the craft of reliability engineering across the company
• Influence strategic decisions by providing technical guidance to leadership and representing reliability engineering in architectural reviews and platform discussions
• 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 extensive experience (8+ years) in SRE, platform engineering, or infrastructure roles 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 implemented and operated SLIs, SLOs, and error budgets in production
• Have experience managing on-call rotations and leading incident response in high-stakes environments
• Have a strong systems engineering background with fluency in at least one backend programming language (e.g., Go, Python, Ruby)
• Have a proven ability to lead through influence: setting technical direction, driving consensus, and mentoring engineers across teams
• Are comfortable balancing long-term architecture work with fast, iterative improvements
• Have clear, concise communication skills, both written and verbal, with the ability to drive alignment in ambiguous environments
• Partner with feature teams to accelerate their production readiness, providing hands‑on guidance on reliability best practices, launch reviews, and operational standards before go‑live
• Are fluent in English

It would be fantastic if you:

• Have deep expertise in observability tooling and architecture (logging, tracing, metrics)
• Have experience designing and operating high‑scale telemetry pipelines and working with developers to improve instrumentation quality
• Appreciate working in regulated environments, healthcare, fintech, or similar; at Doctolib, data privacy and compliance are part of every engineering decision
• Care about reliability enablement, golden paths, runbooks, shared libraries

Life at Doctolib Tech

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.

Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.

We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision here.

Want to learn more about our tech culture and environment? Visit the Doctolib Tech site.

What we offer

• Free comprehensive health insurance (basic package) for you and your children
• 25 days of paid vacation per year, plus up to 14 days of RTT
• Free mental health and coaching services through our partner Moka.care
• Work from abroad for up to 10 days per year thanks to our flexibility days policy
• Lunch vouchers (Swile card) worth 8.50 euros per working day, with 4.50 euros covered by Doctolib
• 50% reimbursement of your public transport subscription
• Parent Care Program: receive one additional month of leave on top of the legal parental leave
• Enrollment in Doctolib's long‑term employee value sharing plan called DoctoGrowth
• Relocation support in case of international mobility
• Access to the best AI tools for coding, development and dedicated training

Our interview process

• Recruiter Interview
• System Design Interview
• Technical SRE Interview
• Behavioral Interview
• At least one reference check

Job details

• Permanent position
• Tech stack: Kubernetes, Terraform, AWS / GCP, Prometheus, OpenTelemetry, Datadog, ArgoCD
• Full‑time
• Paris, France
• Hybrid work setup (up to 2 remote days per week)
• Start date: as soon as possible

We welcome everyone

At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination.

The more diverse ideas are heard, the more our product will truly improve healthcare for all. You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, or disability.

To ensure equal opportunities, we invite you to exclude personal information (e.g., pictures, age) from your applications. If you require any accommodation, please let us know for support during the hiring process.

Join us in building the healthcare we all dream of!

Your data privacy

All information provided is processed by Doctolib for application management. For data processing details, click here: Germany | France | Italy | Netherlands. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.