Mastercard · O'Fallon, MO, United States
Skills: Java, SQL, AWS, Docker, CI/CD
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 EngineerOverview As a Senior Software Engineer in Mastercard’s Core Payments, Network Solutions team, you will develop software supporting payment and transaction-processing systems. You will combine software development and quality engineering to deliver secure, scalable, reliable applications and services.
You will design, build, test, deploy, and maintain software components, automation frameworks, and validation tools. Working with engineers, architects, and product teams, you will contribute to technical decisions, strengthen operational readiness, review code, and mentor junior engineers.
What You’ll Do Software Development
Design, build, test, deploy, and maintain software components, automation frameworks, and validation tools for payment-processing applications and services. Apply data structures, algorithms, and efficient coding practices to deliver scalable solutions. Contribute across the software development lifecycle, including deployment and monitoring.
Design & Architecture
Translate business requirements into maintainable solutions using domain-driven design and established design patterns. Contribute to architecture and system-design decisions supporting scalability, reliability, testability, observability, and performance. Provide input into microservices and cloud migration strategies.
Quality & Secure Engineering
Develop and maintain unit, functional, and integration tests across applicati …truncated… stercard assets, infor…
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