About BlaBlaCar

BlaBlaCar is the world’s leading community-based travel app enabling 27 million members a year to carpool or travel by bus in 21 countries. Our team of 800 employees counts over 50 nationalities and is spread across our 5 global offices, 30% working fully remotely.

Your mission

We're seeking two passionate and experienced Data Scientists to join our data squads, and help us build the intelligent systems that power BlaBlaCar.

• Shape the future of our marketplace: Develop and deploy cutting-edge machine learning models that optimize our core matching algorithms, ensuring drivers maximize savings and passengers find their perfect ride.

• Enhance platform trust & efficiency: Build intelligent automation solutions, from real-time fraud detection and AI-powered content moderation (text, images) to leveraging generative AI for automated translation and improved customer support.

• Empower data-driven decisions: Create impactful data products and applications that provide actionable insights, particularly for our pricing strategy, directly influencing BlaBlaCar's commercial success.

• Pioneer with generative AI: Explore and implement innovative generative AI use-cases to boost internal efficiency, automate operational tasks, and democratize data access across the company.

Your responsibilities:

• Develop & deploy ML models: Design, build, and ship machine learning models into production, collaborating closely with ML Engineers to directly enhance our core marketplace (e.g., matching, ETA).

• Implement automation of internal capabilities: Implement intelligent solutions for real-time fraud detection, utilize deep learning for profile picture moderation, and leverage LLMs for text moderation and generative AI for tasks like translation.

• Build data products for business impact: Create intuitive data applications and dashboards that directly enable business teams (e.g., pricing analysts) to visualize insights, test hypotheses, and refine strategies.

• Champion generative AI innovation: Actively identify, prototype, and implement generative AI solutions to enhance employee productivity and automate key operational processes.

• Inform company strategy: Leverage your strong business acumen and data expertise to advocate for data-informed decisions, and impact the company’s strategic decisions.

• Collaborate across a 360° data team: Work within our autonomous data team, comprising ML Engineers, Data Analysts, Data Engineers, and fellow Data Scientists, managing projects end-to-end.

Your qualifications:

• At least 3 years of professional experience in data or software engineering, with an experience putting Machine Learning models in production or producing data-based applications. 

• Knowledge of Machine Learning theory, statistics and probabilities and/or econometrics modeling is required.

• Fluency in SQL and Python. Knowledge of main machine learning packages (scikit, XGBoost, etc) and/or MLOPs frameworks (KubeFlow, Tensor FLow, Vertex AI, etc) are a plus. An experience in developing python data visualization apps (Streamlit, Flask, Dash, etc) is also a plus. 

• Excellent communication skills: You are able to explain your models clearly to both analysts and decision makers.

• Pragmatic approach to problems: You can design intermediate solutions in an agile environment, and put them in production.

• Strong business sense: You like to partner with business managers to propose new strategies and validate their hypotheses through data.

• Fluent in English

What we have to offer:

• Full remote possible in the country of employment

• 4 additional weeks on top of legal maternity/paternity leaves

• 50% healthcare coverage (Alan)

• Financial support for home office equipment

• Minimum 25 days holiday per year 

• Local meal plan policy (Swile card)

• 50% transportation paid (Forfait Mobilité Durable)

• Personal growth via trainings, mentorship, and internal mobility programs

• Free unlimited carpooling & bus rides

• Employee Stock ownership plan

• Regular team building events

• Mental health support through Moka.care

• 1 day off per year to test our product

• 1 day per year for social engagements with non-profits

Interested in joining the ride?

• a 45-min video-call with Maxime Gaudillière, our Talent Acquisition Manager to get to know you, understand your career expectations and answer your questions

• a 60-min video-call with Célia Fischbach, Engineering Manager, to discuss your experience and share more details about the team

• a 90-min technical assessment with 2 Data Scientists: Raphael Berly, Fabio Cecchi or Riwan Perron

• a 30-min interview with Emmanuel Martin-Chave, VP Data

BlaBlaCar is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.