Senior Software Engineer

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

Senior Software Engineer

Senior Software Development Engineer
Overview
The Fraud and Security Products program consists of globally scalable products focused on bettering the safety and intelligence of the Mastercard authorization network. To fully integrate security and intelligence into the transaction process, the team works to develop merchant and consumer services, improve transaction validation services, and integrate security services with digital payments products.
Roles
Ensures Code Design and its Quality for Enterprise Application
A Senior Software Engineer is responsible for designing, developing, and maintaining scalable software solutions, often leading the technical direction of projects.
They collaborate with cross-functional teams to gather requirements and translate them into robust architecture and code.
They conduct code reviews, enforce best practices, and mentor junior developers.
A key part of the role includes ensuring code quality, performance optimization, and system reliability.
They contribute to technical decision-making, participate in sprint planning, and help drive continuous improvement across the development lifecycle.
All About You:
A Senior Software Engineer with a Java Spring tech stack should have deep expertise in Java (8+), Spring Boot, Spring MVC, Spring Security, and Spring Data JPA.
They should be skilled in designing and building RESTful APIs, developing microservices, and working with SQL/NoSQL databases like PostgreSQL, MongoDB, and Redis.
Experience with cloud platforms (AWS/GCP), CI/CD pipelines, and containerization (Docker/Kubernetes) is crucial.
Strong understanding of system design, design patterns, and clean code principles (SOLID/DDD) is expected.
They should also be proficient in unit/integration testing, Git, and collaborative Agile practices.

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.