Summer Internship - Data Science Intern

About Uphold

Uphold is a financial technology company that believes on-chain services are the future of finance. It provides modern infrastructure for on-chain payments, banking and investments. Offering Consumer Services, Business Services and Institutional Trading, Uphold makes pioneering financial services easy and trusted for millions of customers in more than 140 countries.

Uphold integrates with more than 30 trading venues, including centralized and decentralized    exchanges, to deliver superior liquidity and optimal execution. Uphold never loans out customer assets and is always 100% reserved. The company pioneered radical transparency and uniquely publishes its assets and liabilities every 30 seconds on a public website (https://uphold.com/en-us/transparency).

Uphold strips away the complexity and lack of transparency to open up Web3 finance for everyone.

To learn more about Uphold, please visit https://uphold.com.

Job Summary

Uphold is looking for an intern to join our Data Science team for a Summer Internship. You’ll work alongside data scientists and analysts on real business problems — from exploratory analysis and statistical modelling to early experiments with machine learning. We’ll define your project together, get to know what excites you, and tailor the challenge to fit. You’ll have the guidance and support you need, and the space to bring ideas to life in a fast-paced, data-rich environment.

Essential Duties and Responsibilities

• Support exploratory data analysis across product, marketing, and financial datasets.
• Help collect, clean, and prepare data for modelling and reporting.
• Assist in designing and running experiments to evaluate product features or communications.
• Contribute to machine learning prototypes and decision-support tools.
• Communicate findings clearly through visualisations, notebooks, and written summaries.
• Explore how generative AI tools (Claude, Agents, MCPs) can accelerate data science workflows.

Required Qualifications and Skills

• Ongoing academic studies or degree, preferred in Mathematics, Statistics, Computer Science, Data Science, or a related quantitative field.
• Foundational knowledge of Python.
• Basic experience with SQL.
• Understanding of core statistical concepts (descriptive statistics, probability, distributions).
• Strong analytical and critical thinking skills.
• High attention to detail.
• Solid communication skills, both oral and written.
• Fluent written and oral English skills.

Preferred Qualifications 

• Exposure to machine learning concepts or techniques (classification, clustering, time series forecasting).
• Experience with data exploration using Python libraries (pandas, numpy, scikit-learn) or notebooks (Jupyter).
• Basic experience with GenAI tools (ChatGPT, Claude, Gemini, or others).
• Enthusiasm for solving real-world problems with data.
• Experience with BI tools like Metabase, Looker, Tableau, or Power BI.
• Fluency in cryptocurrencies or other digital assets as they are core to our business.
• Community talks, certifications, and/or blog posts on your interests and research.
• Open-source project contributions of any kind.

What We Offer

• 8-week program: July 20 to September 11, 2026.
• Work setup: Based in Braga or Porto, with hybrid options available.
• Welcome gift: You’ll receive some cool Uphold swag!
• Mentor: A mentor will guide your work and provide ongoing feedback.
• Buddy: A buddy will help you settle in and support you along the way.
• Equipment: We’ll provide a laptop for the duration of your internship.
• Compensation: Successfully completing the internship makes you eligible for up to €2,840.

Join us to grow, innovate, and contribute meaningfully. Be part of our talented team!

Visit our careers page for more exciting opportunities, if this role isn’t the perfect fit.

EEOC Employer

We're proud to be an Equal Opportunity Employer and we celebrate our employees' differences, including race, color, religion, gender identity, national origin, age, military service eligibility, veteran status, sexual orientation, marital status, disability, and any other protected classes. Difference makes us stronger and better - together.