Intern, Data Engineering

Mastercard; Greystones; On-site; EUR 16,000 - 20,000; Full time

Job summary

Mastercard offers an in-person six-month internship in Greystones, Ireland for an Intern, Data Engineering. You'll join a global team to learn data engineering practices while contributing to data pipelines, models, and analytics on real projects.

You will work with Python, SQL and potentially R, applying statistical methods and collaborating with cross-functional and international teams. Eligible students enrolled in a bachelor’s or accelerated master’s program, graduating summer 2028, starting

Qualifications

• Enrolled in a bachelor’s or accelerated master’s program, graduating summer 2028.
• Availability for a 6‑month internship starting February 2027.
• Experience or coursework in data science, data engineering, statistics, computer science, mathematics or related field.
• Experience with programming and/or querying languages such as Python, SQL, R or similar.
• Understanding of data structures, databases, data processing and/or data analysis concepts.
• Strong analytical and problem-solving skills.

Responsibilities

• Apply data, analytics, and technology to solve complex business problems and deliver meaningful insights.
• Gather, analyse and interpret data to identify trends, opportunities and solutions.
• Develop and support data-driven applications, models, tools and solutions.
• Design, build and maintain data pipelines, data models and scalable data processing solutions.
• Apply statistical, analytical, machine learning and/or AI techniques to real-world business challenges.
• Work with large and complex datasets across a variety of business and technology domains.
• Collaborate with cross-functional and international teams to deliver data and technology solutions.
• Translate business requirements into effective technical solutions and communicate findings clearly to both technical and non-technical stakeholders.
• Continuously explore and apply new technologies, methodologies and industry developments to improve data and AI capabilities.

Skills

Data science

Data engineering

Data analysis

Statistics

Problem solving

Education

Bachelor's or accelerated master's program

Tools

Python

SQL

R

Job description

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

Intern, Data Engineering

Overview Mastercard works to connect and power a sustainable and inclusive global economy. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless®. We ensure every employee has opportunity to be a part of something bigger and to change lives. We believe in connecting everyone to endless, priceless possibilities.

Internship Program

Mastercard's summer internship program provides emerging talent with projects that will enhance skills as well as contribute to the department's goals and objectives. In this program, you will participate in:

• Networking events, mentorship opportunities, and hear from senior leaders
• Volunteer and team building opportunities
• Formal performance assessments
• End-of-summer presentations to peers and Mastercard leadership
• the opportunity to learn from experienced professionals and gain exposure to a broad range of technologies, methodologies and business areas.

What you'll do:

As a Data Scientist or Data Engineer, you will have the opportunity to:

• Apply data, analytics, and technology to solve complex business problems and deliver meaningful insights.
• Gather, analyse and interpret data to identify trends, opportunities and solutions.
• Develop and support data-driven applications, models, tools and solutions.
• Design, build and maintain data pipelines, data models and scalable data processing solutions.
• Apply statistical, analytical, machine learning and/or AI techniques to real-world business challenges.
• Work with large and complex datasets across a variety of business and technology domains.
• Collaborate with cross-functional and international teams to deliver data and technology solutions.
• Translate business requirements into effective technical solutions and communicate findings clearly to both technical and non-technical stakeholders.
• Continuously explore and apply new technologies, methodologies and industry developments to improve data and AI capabilities.

What we’re looking for

• Currently enrolled in a bachelor's or accelerated master's programme, graduating in summer 2028
• Availability for 6 month internship program starting in February 2027
• Experience or demonstrated coursework in data science, data engineering, data analysis, statistics, computer science, mathematics or a related field.
• Experience with programming and/or querying languages such as Python, SQL, R or similar.
• Understanding of data structures, databases, data processing and/or data analysis concepts.
• Strong analytical and problem-solving skills.

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.