Senior software engineer

Senior Software Engineer
Overview
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.
The AI & Decision Engineering Platform powers intelligent, real‑time decisioning for Mastercard’s fraud prevention and identity validation solutions. This program enables streaming analytics, governed decision‑making, and outcome management with business agility at global scale.
Our platform leverages business rules engines, AI‑driven decisioning, streaming big data clusters, in‑memory data grids, APIs, and intuitive UIs to deliver decisions in milliseconds across billions of transactions worldwide.
As a Senior Software Engineer, you will play a critical role in designing and implementing high‑performance, cloud‑ready solutions. You’ll mentor team members while remaining hands‑on with coding, testing, and design—helping shape the next generation of Mastercard’s decisioning capabilities. This is a hybrid position based in Vancouver, requiring three days on‑site per week.
Responsibilities
Develop backend services in Java, leveraging frameworks like Spring and g RPC for high‑performance applications.
Own technical assets for assigned workstreams, ensuring timely delivery and production readiness.
Collaborate with external teams, manage requirements, and drive discussions related to architecture and design.
Work with CI/CD tools (Jenkins), Kubernetes, and containerised deployments, support cloud migration initiatives.
Participate in code reviews, enforce best practices, and maintain coding standards.
Promote automation in deployment and validation processes to improve efficiency and reliability.
Qualifications
Strong programming skills with deep knowledge of Java.
Excellent knowledge of Spring, g RPC and other frameworks.
Good knowledge of unit testing and mocking frameworks like JUnit, Mockito or Easy Mock.
Good knowledge of SQL and experience working with Oracle.
Experience working with high‑performance applications.
Good problem diagnostic and creative problem‑solving skills.
Strong organisational skills; able to manage multiple tasks within the constraints and timelines determined by business needs.
Experience with testing frameworks like Rest Assure, Selenium with Web Driver, etc.
Experience with Docker, Kubernetes, etc.
Experience with cloud platforms such as AWS, Azure, or PCF.
Experience with front‑end frameworks such as Angular.
BS in computer science or a related field preferred.
Corporate Security Responsibility
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.
Mastercard is a merit‑based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@ and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Pay Ranges
Vancouver, Canada: $111,000 - $160,000 CAD