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

Overview:
Mastercard is seeking a Senior Software Engineer to join our Security and Cyber Solutions team. In this role, you will design and implement scalable data engineering solutions on the Databricks platform while working closely with internal users across different locations.
The ideal candidate will have expert knowledge of software development processes, along with solid experience in testing and evaluating systems. This person should be highly motivated in finding technical issues and fixing them with meticulous code.
This is a hybrid position based in Toronto, Canada, requiring three days per week onsite.

Role:
• Develop tools and frameworks to automate the development, testing, deployment, and operation of services.
• Design and scale distributed applications using both synchronous and asynchronous patterns.
• Build reliable, efficient ETL pipelines and APIs for secure data access and analytics.
• Collaborate with global teams to evaluate and improve engineering efficiency, performance, and scalability.
• Monitor and maintain system functionality, identifying areas of improvement and proactively addressing issues.
• Partner with Product Managers and UX Designers to shape and deliver future product features and capabilities.
• Ensure high standards of software quality through best practices in code quality, testing, and documentation.

All About You:
• Proven track record as a Software Engineer or Developer in Agile environments, with the ability to lead technical initiatives end-to-end.
• Extensive hands-on experience with Python for building robust, scalable applications.
• Strong expertise with Databricks for developing, optimizing, and deploying large-scale data analytics and machine learning solutions.
• Prior experience with Elixir, React/JavaScript, HTML, and CSS for full-stack development.
• Proficiency in AWS, Terraform, and SQL, with practical experience deploying and managing cloud-based infrastructure.
• Experience designing and maintaining scalable ETL pipelines, integrating RESTful APIs, and leveraging big data frameworks such as Apache Spark and Hadoop.
• Familiarity with containerization and orchestration technologies such as Docker (Kubernetes a plus).
• Strong understanding of the software development lifecycle, networking, and system design principles.
• Skilled in scripting and test automation, enabling efficient CI/CD in cloud environments.
• Ability to produce clear, comprehensive documentation for development, testing, analytics, and support processes.
• Exceptional problem-solving skills and proven ability to collaborate with distributed, cross-functional teams.
• Excellent verbal and written communication skills, with the ability to convey complex technical concepts to both technical and non-technical audiences.
• Bachelor's degree in Computer Science, Engineering, or a related field; equivalent professional experience will be considered.

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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.