Software Engineer Intern, Summer 2027 - Singapore

MasterCard; Singapore; On-site; SGD 20,000 - 27,000; Part time

Job summary

Mastercard is seeking a Software Engineer Intern for Summer 2027 in Singapore. You will join a high-performing team and contribute to projects that enhance security, reliability, and performance in our payments platform.

The role offers exposure to end-to-end development, from design to rollout, with hands-on real-work experience and a structured internship program that includes mentorship and performance assessments.

Qualifications

• Currently enrolled in a bachelor's program with expected graduation between Dec 2027 and Jul 2028.
• Commit to internship from 3 May 2027 to 23 Jul 2027; start/end dates cannot be negotiated.
• Must possess full working rights; no visa sponsorship needed.
• Exposure to algorithms, data structures, and core CS concepts.
• Proficiency in Java, JavaScript, Python, C# or similar languages.
• Exposure to automated tests to verify code correctness.
• Knowledge of Git deployment and task management tools.
• Familiar with debugging tools and tracing for diagnosing issues.

Responsibilities

• Be a member of a high-performing software engineering team.
• Write high-quality code with focus on security, design, and maintainability.
• Experience various phases of software development from design through rollout.

Skills

Java

JavaScript

Python

C#

Algorithms & DS

Education

Bachelor's degree in progress

Tools

Git

Job description

Title and Summary

Software Engineer Intern, Summer 2027 - Singapore

About Mastercard

We are the global technology company behind the world’s fastest payments processing network. 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 the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you. We believe in connecting everyone to endless, priceless possibilities. The Mastercard Intern Program is a comprehensive program where students will gain hands on real work-life skills while having fun and contributing to a global company. As an intern, you will be challenged with completing projects that will enhance your skills as well as contribute to the department’s goals and objectives.

Program Components

• Impactful assignments that drive business results
• Networking sessions and leadership speakers’ series
• Volunteer and team building experiences

About the Team

Mastercard software engineering teams are obsessed with security, reliability, performance, and are driven to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. Software engineers at Mastercard build the systems that process transactions, analyze data, and detect fraud to gain insight into the direction of the economy on behalf of our customers. We are focused on building simple, safe, and smart solutions that instill trust in every interaction. Our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Your summer experience will build on your business skills and contribute to the company's goals and objectives.

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.

• Networking events, mentorship opportunities, and hearing from senior leaders
• Volunteer and team building opportunities.
• Formal performance assessments
• End-of-summer presentations to peers and Mastercard leadership.

Role Description

As a Software Engineer Intern, you will:

• Be a member of a high-performing team of software development professionals.
• Write high-quality code with a focus on security, design, and maintainability.
• Be exposed to various phases of software development from design through rollout.

Note: specific responsibilities and development tools/languages used will vary based on team placement.

Qualifications

• Currently enrolled in a bachelor's program with expected graduation date between December 2027 and July 2028.
• Able to commit to an internship period from 3 May 2027 to 23 July 2027 (Note: designated start/end dates cannot be negotiated).
• Must possess relevant full working rights and do not require visa sponsorship now or in the future
• Exposure to algorithms, data structures, and core computer science concepts
• Proficiency in one or more programming languages such as Java, JavaScript, C#, Python, etc.
• Exposure to automated tests to verify code correctness and expected behavior.
• Knowledge of source control management (e.g., git), deployment, and task management tools.
• Strong analytical and excellent problem-solving skills and familiar with the role of debugging tools and information which diagnose issues such as stack traces, memory profiling, code tracing, etc.

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.

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.