Data Science Intern

Intern Data Science - Porto

Intern Data Science - Porto

Porto, Portugal

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Join Nitro's Engineering Team

The Data Team at Nitro is responsible for building trusted, scalable data solutions that drive better decisions across the business. We are now looking for a Data Science Intern to support our team in building a semantic layer for our AI data agent and developing machine learning solutions. In this role, you will collaborate closely with our data engineers, data scientists and cross-functional teams to contribute to the design, development, and improvement of key data products and models.

What you’ll do

• Help build a governed semantic layer that defines Nitro's core business metrics and entities, powering an AI data agent that lets teams ask questions of our data in plain language.
• Work with product, finance and revenue teams to translate business definitions into clear, consistent data definitions.
• Write and test SQL and Python to model data in Snowflake and dbt, and check that metrics are accurate and match existing dashboards.
• Evaluate and improve the data agent's answers, designing test sets and measuring accuracy.
• Explore and build machine learning models on product usage and customer data, such as churn, conversion or user behaviour.
• Share your findings through clear write-ups, notebooks or dashboards, and present them to the team.

What we’re looking for

• Currently pursuing a degree in Data Science, Computer Science, Statistics, Mathematics or a related field.
• Comfortable with Python (pandas, scikit-learn or similar) and SQL.
• A good grounding in statistics and core machine learning concepts, and genuine enjoyment of working on ML problems.
• Interest in LLMs, AI agents or semantic layers. Hands-on experience with tools like dbt, Snowflake or LLM APIs is desired but not required.
• Curiosity about how businesses measure success, and care for getting the numbers right.
• Excellent problem-solving and analytical skills, with the ability to explain technical work to non-technical people.
• Ability to work well in a collaborative, cross-functional team environment.
• Familiarity with version control systems (for example: Git).

About you

You're not just bright, you shine! Your intellect and energy make you stand out. Whether it’s problem-solving, sparking curiosity, or coming up with creative solutions, you always get the job done. Even as a current undergrad or grad student, you’re ready to make an impact in the global marketplace. You want to join an agile, innovative team that values your input and is dedicated to helping you grow.

Welcome to Nitro.

Nitro strongly encourages applications from everyone regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. We provide an accessible candidate experience and invite you to request any accommodations or adjustments throughout the interview process and beyond.