Data Scientist Intern (AI)

TL;DR

Data Scientist Intern (AI): Developing analytics solutions that help solve clients’ most pressing business challenges with an accent on building and validating models, implementing LLM use cases, adopting GenAI, and developing RAG systems. Focus on gaining hands-on experience applying analytical thinking to real-world business contexts and understanding how data-driven insights can transform organizations and approach data science at scale.

Location: Paris, France. This is a full-time, 6-month internship. Willingness to travel is required.

Company

hirify.global, AI by McKinsey, is a division of McKinsey focused on applying artificial intelligence to solve complex business problems for clients.

What you will do

• Develop analytics solutions to solve client business challenges.
• Conduct exploratory data analyses and build/validate simple models.
• Implement LLM use cases, help clients adopt GenAI, and develop RAG systems and visualizations.
• Uncover insights from complex datasets and translate business problems into technical tasks.
• Contribute to the team’s internal knowledge base and tool development.
• Create measurable client impact through analytical solutions.

Requirements

• Recent graduates or final-year students (Cycle ingénieur, Master of Engineering, or PhD) with expertise in computer science, data, machine learning, or artificial intelligence.
• Availability for a full-time internship of 6 months in Paris, France.
• Strong interest in applying machine learning and statistical analysis to solve real-world problems.
• Foundational experience in Python (preferred) or R for data analysis and model prototyping.
• Experience (coursework or projects) in building Retrieval-Augmented Generation (RAG) systems or implementing Large Language Model (LLM) use cases.
• Basic understanding of data wrangling, visualization, and exploratory analysis, with familiarity in libraries such as pandas, NumPy, or scikit-learn.
• Strong analytical and problem-solving skills, with exceptional time management.
• Strong communication skills, both verbal and written, in French and English.

Culture & Benefits

• Continuous learning and apprenticeship culture with structured programs and clear, actionable feedback.
• Opportunities for a voice that matters, valuing ideas and contributions from day one.
• Access to a global community with diverse colleagues across 65+ countries.
• Competitive salary and a comprehensive benefits package focused on holistic well-being.
• Investment in personal development, coaching, and exposure to accelerate growth.