Bachelor's or master’s degree in Computer Science, Information Technology, Engineering, or equivalent practical experience. Experience working with complex transactional platforms, payment-processing systems, or highly integrated enterprise applications. Strong knowledge of the cards and payments domain, including transaction lifecycle, message flows, processing rules, and system interactions. Hands-on knowledge of authorization, advice, reversal, clearing, and related payment-processing flows.
Working knowledge of payment messaging standards such as ISO 8583 and ISO 20022. Strong experience in functional, system, and end-to-end integration validation across distributed applications and interconnected systems. Ability to translate business and technical requirements into functional scenarios, transaction flows, integration scenarios, expected outcomes, and validation coverage. Strong analytical and troubleshooting skills with the ability to investigate complex issues across multiple applications, services, and integration points.
Ability to analyse transaction messages, application logs, APIs/interfaces, system responses, and data to understand application behaviour and isolate issues. Familiarity with payment simulation or transaction-generation tools such as T3 or equivalent tools. Good understanding of modern software architecture, including microservices, APIs, cloud platforms, event-driven architecture, caching, and persistence technologies. Familiarity with CI/CD pipelines, source-control practices, automated validation, and modern software delivery processes.
Working knowledge of Java, Spring Boot, APIs, SQL, scripting, or similar technologies to support application analysis, troubleshooting, automation, and integration validation. Experience developing or contributing to automation, utilities, test harnesses, API-based validation, or engineering tools that improve quality and delivery efficiency is preferred. Understanding of software engineering principles, including debugging, defect analysis, root-cause analysis, maintainability, reliability, and observability.
Strong communication and collaboration skills with the ability to work across Engineering, Product, Business, Architecture, and dependent technology teams. Comfortable working in an Agile software delivery environment. 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.