Data Science Intern: Build Production ML & AI Workflows

cozycozy.com; Paris; On-site; EUR 20,000 - 31,000; Full time

Benefits offered by this job

Competitive salary

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Job summary

Cozycozy is seeking a Data Science Intern for a 6‑month program in Paris. You will transform raw product and partner data into actionable insights for Revenue, Marketing, and Finance, build AI‑driven workflows, and own a machine‑learning project shipped to production.

You will work closely with founders in a fast, high‑impact team. Fluent English is required; French is a plus. The role emphasizes experimentation, data discipline, and curiosity in a travel‑tech setting.

Qualifications

• Master's or engineering degree from a Grande École or equivalent top program.
• Structured and precise, you back every decision with data.

Responsibilities

• Ensure data reliability and foundations with data engineering.
• Perform operational data analysis to support Finance, Revenue, Marketing, and Product teams.
• Design AI‑driven data workflows for core processes and internal tools.
• Deliver a production‑grade ML project aligned with your profile (ranking or marketing allocation).

Skills

Python

SQL

Git

English

Education

Master's or engineering degree

Tools

Metabase

Jupyter Notebooks

Job description

Cozycozy is seeking a Data Science Intern for a 6‑month program in Paris. You will transform raw product and partner data into actionable insights for Revenue, Marketing, and Finance, build AI‑driven workflows, and own a machine‑learning project shipped to production.

You will work closely with founders in a fast, high‑impact team. Fluent English is required; French is a plus. The role emphasizes experimentation, data discipline, and curiosity in a travel‑tech setting.