Data Scientist Intern, 2026 - Lisbon, Portugal

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Data Scientist Intern, 2026 - Lisbon, Portugal
Our Purpose
We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team - one that makes better decisions, drives innovation and delivers better business results.
Internship Program
The Mastercard Internship Program offers penultimate year students an immersive experience to challenge the status quo, gain real work-life skills in a global company, drive decency and belonging, and grow their personal and professional development. We invite you to bring your passion, share your talent, and make the most of this truly priceless experience.
Job Description:
• Partner collaboratively with team managers and software developers to create a dashboard for code insights• Conduct analyses on the effectiveness of product offerings by examining the real-world impacts of customer use.• Competently handle large datasets, sifting for patterns and trends and translate those insights into technical solutions and education materials.• Automate metrics generation using Jira data• Communicate across key stakeholders on work progress and provide regular updates• Perform desktop research to identify regional or global trends and develop key performance metrics and reporting• Assist with ad hoc requests, participate in special projects as required, and provide cross-functional support as needed
What you'll need
• To be available to work Full-time between approximately Early-June to Early August (Program duration is 10 weeks)• To be a Penultimate Masters/Undergraduate Student, due to graduate no earlier than December 2026 Or Final year student as appropriate • Analytical, investigative and problem-solving skills• Strategic thinker with ability to derive and translate data analytics to meet business goals• Sound written and verbal communication skills• Must be able to work independently in developing and mapping out solutions• Must be able to work in a fast paced and dynamic environment, handle multiple tasks, consistently meet established deadlines, and deliver exceptional results• Expert PC skills including proficiency in Microsoft Excel, Word, PowerPoint, and Access; programming and coding skills including Jira• Expert PC skills including proficiency in Microsoft Excel, Word, PowerPoint, and Access
Languages:
• English required • Additional languages a plus
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.