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Doctolib

Principal Machine Learning Engineer - Applied AI & LLMs (x/f/m)

Doctolib · Paris, Paris, France

Posted about 3 months ago

or apply directly on Doctolib's site. We never take the application ourselves.

Is this posting real?

This role has been open
82 days
Doctolib's roles stay open a median of 82 days
Reposted
No
Salary listed
No
0% of Doctolib's roles list one
Ghost-job risk at Doctolib
high
131 stale, 15 reposted of 133 open
Hiring momentum
226 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from Doctolib's own greenhouse board since 2026-08-03. Full hiring picture for Doctolib.

About this role

The Principal Machine Learning Engineer at Doctolib will lead cross-team initiatives within the AI organization, focusing on technical strategy and architecture for machine learning solutions. This role involves defining evaluation frameworks, establishing production infrastructure patterns, and ensuring compliance with EU regulations while collaborating with various teams. The position requires significant experience in ML/AI and aims to enhance the technical standards across the organization, impacting healthcare professionals and patients.

Our read on this posting3.2out of 5
benefits
5/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Doctolib as an employer.

What you need

  • 10+ years in ML/AI
  • 3+ years at Staff+ or Principal level leading complex, multi-team technical initiatives
  • Deep expertise in at least two of: clinical NLP, LLM fine-tuning and evaluation, automatic speech recognition, RAG systems, or reinforcement learning
  • Expert in Python, PyTorch/Transformers for training, and vLLM for inference
  • Track record deploying ML systems in production (AWS/GCP)
  • PhD in Computer Science, AI, Statistics, or related field (or equivalent research experience)

Nice to have

  • Publications in top-tier ML/AI conferences (NeurIPS, ICLR, ACL) or medical informatics venues
  • Experience with EU healthcare regulations (GDPR, MDR, AI Act)
  • Prior work with clinical data or healthcare applications

What you get

  • 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

Worth weighing

  • Role involves significant cross-team collaboration which may require navigating complex organizational dynamics
  • No specific salary or compensation details provided
  • The position requires a high level of expertise and experience, which may limit the candidate pool
  • The role's impact is broad, affecting many teams and stakeholders, which could lead to high expectations

Summarised from Doctolib's posting. Read the full original.

Listed by Doctolib on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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