Senior Site Reliability Engineer - Observability (x/f/m)

Doctolib; Levallois-Perret; Hybrid; EUR 110,000 - 140,000; Full time

Benefits offered by this job

Health insurance

Vacation & RTT

Lunch vouchers

Relocation support

Employee equity plan DoctoGrowth

Public transport subsidy

Job summary

Doctolib is seeking a Senior Site Reliability Engineer to join the Core Reliability & Observability team in Platform Engineering. You will shape the observability strategy and ensure the platform remains reliable, debuggable, and scalable at a European scale.

You will work on logging, metrics, tracing, and alerting to support 400,000 health professionals and 80 million patients daily. You will lead observability initiatives, participate in on-call rotations, and collaborate closely with a tech

Qualifications

• 3+ years hands-on on a large-scale production platform
• Experience with cloud platforms such as AWS, Azure or Google Cloud
• Solid understanding of containerization and orchestration (Docker and Kubernetes)
• Strong understanding of Helm for Kubernetes and ArgoCD for GitOps
• Deep expertise in observability tooling and architecture (logging, tracing, metrics)
• Proficiency in at least one programming language (Ruby, Python, Go, Java) and IaC concepts
• Experience with monitoring and observability tools
• Enjoy troubleshooting performance issues in complex environments
• Fluent in English

Responsibilities

• Lead the observability strategy across the platform with scalable logging and tracing
• Identify and lead large-scale cross-cutting reliability initiatives and postmortem analysis
• Participate in on-call rotation and improve on-call experience with actionable telemetry

Skills

Large-scale platform

Cloud platforms

Containers & orchestration

Helm & ArgoCD

Observability tooling

Programming languages

Infrastructure as code

Monitoring tools

On-call experience

English fluency

Tools

Docker

Kubernetes

Helm

ArgoCD

Fluent Bit

OpenTelemetry

Loki

Elasticsearch

Logstash

Vector

Prometheus

Thanos

Datadog

Job description

Your Impact

We are looking for a Senior Site Reliability Engineer to join the Core Reliability & Observability team in Platform Engineering.

Your mission will be to shape Doctolib's observability strategy and ensure our platform remains reliable, debuggable, and scalable at a European scale. You will work in a feature team developing logging, metrics, tracing, and alerting capabilities, contributing directly to supporting 400,000 health professionals and 80 million patients in their daily healthcare journey.

Working in the tech team at Doctolib means building innovative products and features to improve the daily lives of care teams and patients.

What you'll do

Your responsibilities include but are not limited to:

• Lead the observability strategy across the platform, with an emphasis on building scalable, developer-friendly logging and tracing capabilities

• Identify and lead large-scale cross-cutting reliability initiatives, including improvements to our incident detection, response, and postmortem analysis capabilities

• 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

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 a solid hands-on experience (3y+) on a large-scale production platform

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

• Have solid understanding of containerization and orchestration technologies (Docker and Kubernetes)

• Have a strong understanding of Helm for managing Kubernetes manifests and ArgoCD for GitOps workflows

• Have deep expertise in observability tooling and architecture, such as:

  • Logging: Fluent Bit, OpenTelemetry, Loki, Elasticsearch, Logstash, Vector

  • Tracing: OpenTelemetry or proprietary APMs

  • Metrics: Prometheus, Thanos, Datadog, or equivalent

• Have proficiency in at least one programming language (Ruby, Python, Go, Java, etc.) and a deep understanding of infrastructure as code principles

• Have experience with monitoring and observability tools

• Like troubleshooting performance issues in complex environments

• Are fluent in English

It would be fantastic if you:

• Have experience contributing to open-source observability projects

• Have worked in a high-growth tech environment

• Are passionate about developer experience and platform engineering

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 per working day, with €4.50 covered by Doctolib

• A subsidy from the work council to refund part of the membership to a sport club or a creative class

• 50% reimbursement of your public transport subscription

• ParentCare Program: Enjoy full salary coverage (100%) during your first month of birth leave, and 75% during the second, covered by Doctolib

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

• 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

Our interview process

• Recruiter Interview

• Technical SRE Interview

• System Design Interview

• Behavioral Interview

• At least one reference check

We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our candidate experience page.

Job details

• Permanent position

• Tech stack: Kubernetes, Prometheus, OpenTelemetry, Loki, ArgoCD, Ruby, Python, Go

• 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 l France l Italy l Netherlands. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.