Staff Software Engineer - Business Performance (x/f/m)

Join our mission, join Doctolib!

Doctolib is growing, and we are looking for a Staff Software Engineer to join the Workstations teams in Business Performance.

Your mission will be to eliminate administrative overhead for Doctolib's customer-facing teams (Sales, Account Management, and Product Support) so that every minute spent with a customer goes entirely to conversation and expert judgment.

You will work in a feature team developing the Workstations: a single, modular interface that brings together information from all our systems and lets teams act in all of them. From planning who to contact, to preparing with an instant customer brief, to live AI suggestions and automatic follow-up, you will contribute directly to transforming how thousands of colleagues work and, through them, the quality of service delivered to healthcare professionals and patients.

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

Your impact

Your responsibilities include but are not limited to:

Build and ship reusable frontend modules, each exposed behind a clear API or MCP, ensuring strong modularity across different appShell

Integrate AI capabilities directly into real workflows: live transcription, intent detection, summarisation, CRM auto-filling, and agents operating with the same permissions and audit trail as the UI

Connect and extract logic from existing systems (Salesforce, core platform, billing, telephony) and expose them as standalone, maintainable services

Drive make-or-buy decisions by evaluating third-party tools against Doctolib's technical criteria for scale, security, and multi-country requirements

Partner closely with end users (Sales, Account Management, Support) and Product Managers through user interviews, prototypes, and rapid feedback loops to turn complex workflows into simple products

Define and track quality metrics — latency, accuracy of AI suggestions, share of tasks completed within the workstation — and use them to drive continuous improvement

Raise the bar for the team through rigorous code reviews, technical design leadership, and mentoring

You will also help rethink our SDLC with AI at its core: automated code review, and making sure our agents always have the right context to do useful work

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.

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 could be our next team mate if you:

Have 8+ years of experience as a Software Engineer, with strong foundations in software and system design at scale

Are comfortable working in a React and Java or Ruby on Rails environment and open to being hands-on across the stack as the project demands

Have practical experience integrating LLMs in production — prompting, evaluations, latency and cost trade-offs, agents, tool calling or MCP — or a strong drive to get there fast

Are comfortable working close to business users, translating messy real-world workflows into clean, intuitive product experiences

Take data protection and privacy seriously: you work with sensitive data and apply security best practices as a matter of course

Are fluent in English

It would be fantastic if you:

Have contributed to internal tooling or workflow automation products at scale

Have experience with event-driven architectures and integrating with CRM systems (e.g. Salesforce)

Are familiar with telephony integrations or real-time transcription pipelines

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

The interview process

Recruiter Interview

Feature Building 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: React, Java, Ruby on Rails

Full-time

Nantes

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, 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

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