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
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.
Job Overview:
As part of an exciting, fast paced environment developing payment authentication and security solutions, this position will provide technical leadership and expertise within the development lifecycle for ecommerce payment authentication platform under Authentication program for Digital
Overview:
Senior Software Engineer - Automation Testing with Java (6-9 years experience) focused on building and scaling automation solutions for Java and cloud-native applications, data pipelines, functional testing, load testing, and cross-program validation.• Lead the design, development, and maintenance of automated testing frameworks, with technical ownership for major initiatives and alignment to enterprise architecture standards.• Drive automation-first testing practices by identifying high-ROI test scenarios, reducing manual testing effort, and ensuring end-to-end functionality is validated across releases.• Develop and execute test strategies for functional, regression, integration, ETL, API, performance, security, chaos, and cloud-native application testing.• Apply strong technical expertise in Java, SQL, REST/SOAP APIs, Python, Hadoop/Spark, CI/CD tools, Jenkins, code scanning tools, branching strategies, and test automation frameworks.• Collaborate closely with architects, software engineers, testing teams, product owners, Scrum Masters, and cross-functional stakeholders throughout the Agile delivery lifecycle.• Translate solution designs into reliable, scalable, and cost-effective software solutions while ensuring adherence to Mastercard reference architectures and engineering standards.• Participate in code reviews, provide constructive feedback, and uphold engineering best practices with a strong focus on code quality, reliability, and maintainability.• Leverage monitoring and observability tools such as Dynatrace and Splunk to support production readiness, issue analysis, and continuous improvement.• Support production operations, on-call rotations, root cause analysis, and continuous service improvement to improve application stability and resilience.• Mentor junior engineers, lead knowledge-sharing initiatives, and contribute to technical capability-building within the Java / Backend Engineering Guild.• Demonstrate strong leadership, technical acumen, problem-solving skills, communication, attention to detail, and ability to manage multiple priorities in a dynamic Agile environment.• Promote a culture of inclusion, accountability, continuous learning, engineering excellence, and automation-led delivery.
Nice to Have• Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).• Knowledge of event-driven architectures (Kafka, messaging systems).• Understanding of security best practices, including OWASP, authentication, and authorization.• Experience in high-throughput, low-latency, or regulated systems (payments, banking, fintech).• Exposure to performance tuning, resiliency patterns, and fault-tolerant design.
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 comes 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.