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

Overview

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we are 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.

The Emerging Payments Technology team is responsible for building next-generation payment solutions that enable consumers and businesses to transact securely and seamlessly across channels. We are looking for a highly motivated Senior Software Engineer to help design and develop scalable backend systems that power innovative payment experiences globally.

Join our team and help shape the future of connected commerce.

Role

The Senior Software Engineer (Backend) will be responsible for designing, developing, and maintaining highly scalable, secure, and resilient backend services and APIs. This role requires strong software engineering fundamentals, hands-on coding expertise, and experience building distributed systems in a cloud-native environment.

The ideal candidate is passionate about solving complex technical problems, delivering high-quality software, and driving engineering excellence through modern development practices.

Questions

Are you passionate about building backend platforms that process high-volume, mission-critical transactions?
Do you enjoy solving complex engineering challenges involving scalability, performance, and reliability?
Can you design and build secure, resilient microservices that serve millions of customers worldwide?
Are you motivated to continuously improve software quality, operational excellence, and developer productivity?
Can you collaborate effectively with engineers, architects, product managers, and cross-functional stakeholders?
Responsibilities

Design, develop, test, and deploy scalable backend applications and microservices.
Build secure and high-performing RESTful APIs and backend services.
Participate in architecture, design, and code reviews to ensure engineering excellence.
Work closely with product managers, architects, and other engineering teams to deliver business-critical solutions.
Develop software using modern development practices including CI/CD, automated testing, and DevOps principles.
Troubleshoot and resolve complex production issues while improving system reliability and performance.
Optimize application performance, scalability, and resource utilization.
Contribute to system design decisions involving distributed systems, messaging platforms, caching, and databases.
Ensure solutions meet Mastercard's security, compliance, and operational standards.
Participate in Agile ceremonies including sprint planning, estimation, and retrospectives.
Mentor junior engineers and promote best practices across the engineering team.
Drive continuous improvement initiatives and adoption of emerging technologies.
All About You

Basic Qualifications

Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent practical experience.
Strong experience in backend software development using Java.
Strong understanding of object-oriented design principles and software engineering best practices.
Experience designing and developing RESTful APIs and microservices.
Experience building scalable, highly available, and distributed systems.
Experience with Spring Boot, Spring Framework, and related backend technologies.
Strong knowledge of data structures, algorithms, and design patterns.
Experience with relational databases such as PostgreSQL, Oracle, or MySQL.
Experience working with source control systems such as Git/bitbuket.
Experience working in Agile software development environments.
Strong analytical, troubleshooting, and problem-solving skills.
Excellent verbal and written communication skills.
Preferred Qualifications

Experience with containerization technologies including Docker and Kubernetes.
Experience with messaging and streaming technologies such as Kafka.
Experience with CI/CD pipelines using Jenkins or similar tools.
Knowledge of security best practices, authentication, authorization, and secure API development.
Experience with observability tools including Splunk, Dynatrace.
Experience working in high-volume transaction processing or payment systems.
Passion for continuous learning, innovation, and engineering excellence.

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.