Intern – Data Science

Posted on 9/11/2025

Bain & Company

Bain & Company

No salary listed

Madrid, Spain

In Person

Travel is required (typically 1–2 trips per case)

DESCRIPTION & REQUIREMENTS

We invite current students and recent graduates with up to two years of experience to join our immersive data science internship. It'll offer broad exposure to projects involving machine learning and generative AI. You'll be staffed on one of our case teams and do real work interfacing with clients. If successful in the internship, it may lead to an offer to join us as Data Scientist.

This is a unique opportunity to work as an intern data scientist at a top strategy consulting firm. You’ll be staffed on a real case team where your background, opinion, and insights matter. You’ll own a distinct piece of that project and solve a challenging problem as a group. Unlike other programs, you’ll work directly on client cases. If you’re interested in understanding how businesses really make decisions, this is the place to find out.

WHAT MAKES US A GREAT PLACE TO WORK

We are proud to be consistently recognized as one of the world’s best places to work. We are currently the #1 ranked consulting firm on Glassdoor’s Best Places to Work list and have maintained a spot in the top four on Glassdoor’s list since its founding in 2009. Extraordinary teams are at the heart of our business strategy, but these don’t happen by chance. They require intentional focus on bringing together a broad set of backgrounds, cultures, experiences, perspectives, and skills in a supportive and inclusive work environment. We hire people with exceptional talent and create an environment in which every individual can thrive professionally and personally

WHO YOU’LL WORK WITH

You’ll join our Data Science & Machine Learning Engineering experts within the AI, Insights & Solutions team. This team is part of Bain’s digital capabilities practice, which includes experts in analytics, engineering, product management, and design. In this multidisciplinary environment, you'll leverage deep technical expertise with business acumen to help clients tackle their most transformative challenges. You’ll work on integrated teams alongside our general consultants and clients to develop data-driven strategies and innovative solutions. Together, we create human-centric solutions that harness the power of data and artificial intelligence to drive competitive advantage for our clients. Our collaborative and supportive work environment fosters creativity and continuous learning, enabling us to consistently deliver exceptional results. 

WHAT YOU’LL DO

As a Data Science Intern in Bain’s AI, Insights and Solutions team, you will:

  • Work with fellow data scientists, consulting teams, and clients to understand business problems, translate them into data science projects, and execute
  • Develop and/or implement tools for data acquisition, extraction, transformation, management, and manipulation of large and complex data sets
  • Develop, prototype, test, and deploy machine learning or generative AI solutions on wide-ranging types of data sets and use case archetypes
  • Travel is required (typically 1–2 trips per case)
  • This position will be located either in Madrid 

ABOUT YOU

  • Master’s Degree, PhD in a quantitative discipline such as Statistics, Mathematics, Physics, Engineering, Computer Science, Econometrics, Business Analytics, or Market Research
  • Last year students or recent graduates with up to 2 years of experience
  • Strong foundation in Mathematics and Statistics
  • Proficiency with data wrangling, visualization and modeling in either Python or R is required
  • Experience in machine learning frameworks and tools (e.g. scikit-learn, Pytorch, etc.) is required
  • Proficiency in SQL is a plus
  • Experience with Generative AI systems is a plus
  • Experience with Git and modern software development workflow is a plus
  • Strong interpersonal and communication skills are pre-requisite for this role
  • Ability to explain and simplify complex technical topics to non-technical audiences
  • A high level of drive and the ability to thrive in an entrepreneurial environment
  • Fluency in Spanish and English is required 

Our process

If this sounds like you, please apply with your CV written in English by 11:59pm CET Sunday, September 28.  

We will communicate the results to all candidates regardless of the outcome after September 30.