Software Engineer II

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

Software Engineer II

Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is 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. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview
The Blockchain & Digital Assets team is looking for a Software Engineer II to help build and scale innovative blockchain-based payment solutions. This individual will contribute to Mastercard’s growing portfolio of digital asset initiatives by developing secure, scalable, and resilient applications.
The ideal candidate is a curious and motivated technologist with strong software engineering fundamentals, who thrives in a collaborative environment and is eager to work on next-generation payment technologies. Experience or interest in blockchain and Web3 is a strong plus.
Role
In this hands-on engineering role, you will:
- Collaborate with architects and senior engineers to design and implement cloud-native microservices.
- Develop RESTful APIs and front-end applications that power our blockchain & digital asset products.
- Write clean, testable, scalable code using Java (Spring Boot), React, and other modern technologies.
- Participate in code reviews, unit testing, integration testing, and deployment activities.
- Contribute to secure software design practices and ensure compliance with Mastercard security standards.
- Work closely with product and platform teams to deliver high-impact features with measurable business value.
All About You
The ideal candidate for this position should:
- Have experience building full-stack applications using Java (Spring Boot) and React.
- Understand modern web standards including HTML, CSS, and REST APIs.
- Be comfortable working in cloud environments (preferably Microsoft Azure) and using container technologies like Kubernetes.
- Possess an interest in emerging technologies like blockchain and Web3.
- Be a proactive communicator and collaborator who thrives in a fast-paced, agile environment.
Additional Capabilities (Nice to Have):
- Exposure to distributed ledger technologies and digital asset protocols.
- Experience working with CI/CD pipelines and infrastructure-as-code tools.
- Familiarity with secure coding practices and PCI/DSS standards.
- Contributions to open-source or blockchain communities.
Corporate Security Responsibility
Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks come with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position 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.

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.