---
title: 'Senior AI Engineer (x/f/m) - Phone Assistant at Doctolib'
canonical: 'https://feeny.ai/job/senior-ai-engineer-x-f-m-phone-assistant-doctolib-berlin-a3k985w90he3'
type: 'job'
last_seen: '2026-11-06'
---

# Senior AI Engineer (x/f/m) - Phone Assistant at Doctolib

- **Company:** [Doctolib](https://feeny.ai/companies/doctolib)
- **Location:** Berlin, Germany
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-02-13
- **Last confirmed live:** 2026-11-06
- **Apply:** https://jobs.ashbyhq.com/doctolib/65c5b8bb-18dc-46d4-878a-8890eb2d877a/application

**Skills:** Python, Agentic LLM systems, NLP, Speech recognition, Automated testing, CI/CD, DevOps, Rails, TypeScript, Java, Kotlin, Swift, React Native, Agentic systems in production, Medical domain experience

> Join the Conversational AI team to build and scale a Phone Assistant product using agentic LLM systems, NLP, and speech recognition. You will design production-grade AI systems, improve patient-practitioner interactions, and ensure security and observability while mentoring teammates.

## Job description

## What we do

Join a team of passionate and hardworking entrepreneurs to transform healthcare!

Working in the tech team at Doctolib involves building innovative products and features to improve the daily lives of care teams and patients. We work in feature teams in an agile environment, while collaborating with product, design, and business teams.

## What you'll do

We are looking for a Senior AI Engineer (Python) to join the Conversational AI (CAI) team in the Practice Efficiency domain.

As a Senior AI Engineer, your mission will be to build and scale a new product in the Doctolib suite: our Phone Assistant, with the vision to revolutionize access to care for patients and day-to-day practice management for practitioners. This opportunity will allow you to leverage the latest technologies in AI, NLP, and speech recognition to build delightful user experiences and scale your product to millions of users.

Your responsibilities include but are not limited to:

- Design, ship, and operate production-grade agentic LLM systems that improve patient-practitioner interaction and streamline healthcare workflows
- Validate hypothesis with offline evaluation datasets and A/B tests on real traffic
- Partner with other machine learning teams to design and improve evaluation pipelines, security/safety guardrails, and metrics
- Develop and maintain core agentic capabilities, including memory, reasoning orchestration, and tool adapters, ensuring strong observability, fallback mechanisms, and fail-safe behaviors
- Own performance, observability, and security: monitoring dashboards, SLO/SLI, security posture
- Ensure privacy and security by design
- Contribute to cross-functional initiatives that shape Doctolib's future AI platform and best practices in building agentic systems that will reinvent the work of health professionals and improve people's health

## About our tech environment

- Our solutions are built on a single, fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to the country and healthcare specialty requirements. To address these challenges, we are modularizing our platform run in a distributed architecture through reusable components.
- 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](https://careers.doctolib.com/ai-careers/)!
- We also invest in open, applied AI research. For example, our DoctoBERT project introduces open-source medical language models trained for French clinical text, with applications in named entity recognition, classification, and retrieval.[Read the DoctoBERT practical guide](https://huggingface.co/blog/hugging-science/doctobert-cookbook#introduction) to learn more about how we bring deep AI research into practical healthcare applications.

## Who you are

Are you convinced that you have exactly what it takes for the position? Then we encourage you to apply. Even if you don't meet every requirement, you might be exactly the right future Doctoliber for this or other positions!

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 have 6+ years of experience as a software engineer, with significant experience using Python
- You have a track record of experience with the full lifecycle of an AI product at scale, from initial evaluation and launch to iterations based on results in production
- You understand and promote best practices related to the software development life cycle, such as automated testing, good use of CI/CD, and DevOps practices (you build it - you run it)
- You are product-oriented and comfortable guiding your teammates to suggest tradeoffs to balance business needs with technical constraints
- You are very focused on code quality and have a rigorous testing culture
- You are eager to share your knowledge and help the team grow by pair programming and mentoring
- You are comfortable speaking & writing in English in your day-to-day with the team

Now, it would be fantastic if you:

- Have experience with agentic systems in production
- Have experience in the medical domain

## 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)
- Enrollment in Doctolib's long-term employee value sharing plan called DoctoGrowth
- The Doctolib Parent Care program, which includes one month additional parental leave and much more
- 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

The interview process

- Recruiter Interview
- Feature Building Interview
- AI System Design Interview
- Behavioral Interview
- Reference check
- Offer!

Job details

- Full-time
- Location: Berlin
- Working mode: Hybrid
- Start date: as soon as possible

If you would like to find out more about tech life at Doctolib, feel free to read our latest [Medium blog articles](https://medium.com/doctolib)!

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! All information provided is processed by Doctolib for application management. For data processing details, click [here](https://doctolib.legal/B2C-Privacy-Policy-Career-DE). Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.

## About Doctolib

## Company Overview
- **One-liner**: Doctolib builds digital healthcare solutions for health professionals and patients, including appointment booking, telemedicine, EHR, and AI-powered clinical assistants.
- **Entity Type**: Private (Series E; $816M total funding)
- **Headquarters**: Levallois‑Perret, France
- **Founded**: 2013
- **Founders**: Not publicly listed (the company was founded by a team including Stanislas Niox‑Chateau, but the profile attributes it to a founding group; official sources do not emphasise individual founder names – likely Roman Schué, Stanislas Niox‑Chateau, and others)

## Core Business
- **Primary industry**: Healthcare Technology / Healthtech
- **Target customers**: B2B (healthcare professionals, hospitals, clinics) and B2C (patients); primary markets in France, Germany, Italy, and the Netherlands
- **Mission/purpose**: “Build together the healthcare we all dream of” – a purpose‑driven company (société à mission) with seven social objectives including improving care teams’ quality of life, facilitating access to care, and developing prevention.

## Products & Services
- **Appointment Booking & Calendar Management**: 24/7 online booking, waitlist, reminders, delays, and calendar optimisation. Used by 420,000+ health professionals and 90M+ patients.
- **Clinical & Financial Suite (EHR)**: Electronic health records, document management, secure messaging, prescribing, billing engine, and insurance processing. Includes “Doctolib Médecin” for GPs and “Doctolib Kiné” for physiotherapists.
- **AI Assistants**:  
  - *AI Consultation Assistant*: Real‑time structured transcription and documentation (supported 5M consultations).  
  - *AI Phone Assistant*: Handles booking and patient messaging 24/7.  
  - *AI Health Assistant* (in Health Companion): Answers health questions, provides coaching, and guides care journeys.
- **Health Companion**: Patient app for prevention campaigns, early detection, personalised guidance, video consultations, and care‑journey tracking.
- **Practice Efficiency & Patient Acquisition**: Tools for patient base management, recalls/notifications, practice analytics, CRM integrations, and marketing visibility.
- **Cooperative Care (Siilo)**: Secure messaging, case management, and referral platform enabling care coordination across professionals (merger with Siilo in 2023).
- **Financial Solutions**: Simplifies complex billing and insurance workflows for healthcare professionals.
- **Tailor‑made Service & Advisory**: Custom support and advisory for healthcare institutions.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed (private company; total funding $816M)
- **Key Metric**: Annual Revenue ~€257.6M (most recent available). Total funding $816M (Series E of $170.3M led by General Atlantic in March 2019, with prior rounds from Accel, Eurazeo, Bpifrance, etc.)
- **Notable Investors/Partners**: General Atlantic, Accel, Eurazeo, Bpifrance, and others. Partners include public hospitals (AP‑HP) and the French government (vaccination campaign support).
- **Growth Signals**:  
  - 90M+ patients and 420,000+ health professionals across Europe.  
  - 2,900+ employees (up from 2,618 reported earlier).  
  - Tech & Product team of 900+ engineers.  
  - 15M online appointments booked per month in France alone, half outside office hours.  
  - B Corp certification (goal achieved by 2024).  
  - Expansion into Italy (2021) and Netherlands (via Siilo merger 2023).  
  - AI adoption: AI Consultation Assistant supporting 5M consultations.

## Competitive Advantages
- **Deep Healthcare Specialisation**: Over a decade of domain expertise; solutions meet highest clinical standards (ISO 27001, HDS certified).
- **Localised Approach**: Products adapted to each country’s regulations, languages, and specialties while maintaining a unified platform.
- **Ecosystem Lock‑in**: Integrated suite covering scheduling, EHR, billing, telemedicine, AI, and care coordination – creating a one‑stop shop for professionals.
- **Scale & Network Effects**: Large patient base (80–90M) drives adoption by professionals, which in turn attracts more patients.
- **AI‑First Innovation**: Research lab partnered with top tech and clinical institutions; deploying AI for documentation, decision support, and patient engagement.
- **Purpose & Trust**: Certified B Corp and French “société à mission” with annual independent audits, reinforcing trust with users and regulators.

## Strategic Focus
- **AI‐Powered Efficiency**: Scaling AI assistants to reduce administrative burden (targeting 4.5 hours saved per week per GP).  
- **International Expansion**: Deepening footprint in Germany, Italy, and the Netherlands while maintaining leadership in France.  
- **Real‑World Impact**: Focus on prevention, early detection, and continuous care (Health Companion).  
- **Platform Consolidation**: Integrating care cooperation (Siilo) and financial solutions to create a seamless end‑to‑end experience.  
- **Talent & Culture**: Growing tech team, investing in AI research, and reinforcing mission‑driven culture to attract top engineering and product talent.

## Why Work Here
- **Purpose & Mission**: B Corp certified, purpose‑driven company with a clear social impact (improving healthcare access and quality of life for care teams).  
- **Tech Scale & Challenge**: Build platform used by millions, work with 900+ tech peers on cloud‑native (AWS), mobile, AI, and security at scale.  
- **Learning & Development**: Doctolib Academy for onboarding; continuous training in AI tools, soft skills, and leadership; transparent internal mobility.  
- **Benefits**:  
  - Health insurance 100% paid for you and children.  
  - 25 vacation days + up to 14 RTT days/year.  
  - Parent Care Program: one additional month of leave beyond legal parental leave.  
  - Free mental health coaching via Moka.care.  
  - Gym (on‑site in Paris) with group classes.  
  - Flexible workplace: hybrid or office‑based; work from EU/UK up to 10 days/year.  
  - Subsidised sports/creative class membership.  
  - Lunch vouchers (Swile card).  
  - Solidarity Days (2 days/year for health charities).  
- **Work Environment**: Transparent internal mobility, support for new managers, diversity & inclusion initiatives, and a strong emphasis on collaboration with healthcare professionals.  
- **Locations**: Paris, Nantes, Berlin, Milan, Amsterdam, and other EU cities.

## Sources
1. [careers.doctolib.com](https://careers.doctolib.com/) – Careers page with benefits, culture, and product descriptions.
2. [linkedin.com/company/doctolib](https://www.linkedin.com/company/doctolib) – Company details, financials, workforce, and reviews.
3. [careers.doctolib.com/tech-doctolib/](https://careers.doctolib.com/tech-doctolib/) – Tech team overview, AI and product details.
4. [media.doctolib.com](https://media.doctolib.com/image/upload/mkg/file/impact_report_en_digital.pdf) – 2024 Impact Report with detailed mission, impact metrics, and business model.

## Other roles at Doctolib

- [Key Account Manager Senior / Lead - Laboratoires (x/f/m)](https://feeny.ai/job/key-account-manager-senior-lead-laboratoires-x-f-m-doctolib-paris-rdb3n5wj06ws) — Paris, France
- [Account Executive - Berlin (x/f/m)](https://feeny.ai/job/account-executive-berlin-x-f-m-doctolib-berlin-tvxqrx08t1g5) — Berlin, Germany
- [B2B Sales Manager (x/f/m) im Außendienst / Bergisches Land](https://feeny.ai/job/b2b-sales-manager-x-f-m-im-au-endienst-bergisches-land-doctolib-wuppertal-qy9b1d396rk9) — Wuppertal, Germany
- [Account Executive (x/f/m) im Außendienst / Bergisches Land](https://feeny.ai/job/account-executive-x-f-m-im-au-endienst-bergisches-land-doctolib-wuppertal-18nbesx525nv) — Wuppertal, Germany
- [Account Executive - Köln (x/f/m)](https://feeny.ai/job/account-executive-koln-x-f-m-doctolib-koln-7v003ka60brm) — Köln, Germany
- [B2B Sales Manager (x/f/m) im Außendienst / Köln & Bonn](https://feeny.ai/job/b2b-sales-manager-x-f-m-im-au-endienst-koln-bonn-doctolib-koln-1gq8g9z2yp46) — Köln, Germany
- [Account Executive (x/f/m) im Außendienst / Köln & Bonn](https://feeny.ai/job/account-executive-x-f-m-im-au-endienst-koln-bonn-doctolib-koln-1xwf39abazmr) — Köln, Germany
- [Account Manager (x/f/m) - categorie protette](https://feeny.ai/job/account-manager-x-f-m-categorie-protette-doctolib-milan-7t71sj2hb51z) — Milan, Italy
- [Social Media & Creative Intern (x/f/m)](https://feeny.ai/job/social-media-creative-intern-x-f-m-doctolib-milan-nzd7h1ac9wpt) — Milan, Italy
- [Senior Machine Learning Engineer - Applied AI & LLMs (x/f/m)](https://feeny.ai/job/senior-machine-learning-engineer-applied-ai-llms-x-f-m-doctolib-paris-xre70g5pma6f) — Paris, France