Senior Software Engineer Jobs in Canada, KY (NOW HIRING)

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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:
The Decision Management Program (DMP) team is looking for a Senior Software Engineer to support the Authorization Decisioning product and help deliver highly scalable, secure, and reliable solutions across Mastercard's global payments network.
Authorization Decisioning combines the power of Mastercard's Decision Management Platform with real-time authorization data to enable intelligent decisioning at scale. The team is focused on building high-quality products that transform transaction intelligence into immediate operational action for customers around the world.
This role is primarily focused on Quality Engineering, with an approximate allocation of 70% Quality Engineering and Test Automation responsibilities and 30% software development responsibilities. The successful candidate will drive quality through automation-first practices while contributing to the design, development, and delivery of scalable backend services and platform capabilities.
Role:
As a Senior Software Engineer, you will:
Design and implement automated test frameworks and reusable test suites.
Develop and execute functional, integration, API, regression, end-to-end, and performance tests.
Participate in requirements reviews, story grooming, and sprint planning activities.
Define and document test strategies, test plans, and acceptance criteria.
Collaborate with developers to identify, troubleshoot, and resolve defects.
Integrate automated tests into CI/CD pipelines.
Analyze test results and provide quality metrics and recommendations.
Ensure software meets business, security, scalability, and performance requirements.
Drive continuous improvement of testing processes, tools, and methodologies.
Mentor junior engineers and promote quality engineering best practices.
Participate in release validation, deployment verification, and production readiness activities.
All About You:
Bachelor's degree in Computer Science, Engineering, Information Technology, or related field.
Strong software engineering experience with Java and modern application development practices.
Experience developing applications and services using Spring Boot and API-driven architectures.
Strong programming skills in Java, Python, C#, JavaScript, or similar languages.
Experience with automated testing frameworks such as Selenium, RestAssured, JUnit/TestNG and Cucumber/JBehave/Karate
Experience testing REST APIs and microservices.
Knowledge of Agile/Scrum development methodologies.
Familiarity with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
Experience using source control systems such as Git.
Strong analytical, debugging, and problem-solving skills.
Preferred Qualifications:
Experience with cloud-native architectures and modern observability platforms.
Knowledge of secure coding practices and software quality metrics.
Experience mentoring engineers and influencing quality standards across teams.
Experience supporting highly available, mission-critical platforms within regulated environments.
Experience with security and compliance testing.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@mastercard.com 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.

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.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program.

Pay Ranges

Vancouver, Canada: $111,000 - $160,000 CAD