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About the Role

Mastercard is seeking a Principal AI Engineer to design and deliver enterprise-scale AI platform capabilities that help teams build, deploy, evaluate, and operate AI-powered applications securely and reliably. This role combines deep software engineering expertise with platform engineering and cloud architecture experience. You will operate as a hands-on technical leader responsible for designing scalable AI systems, defining platform standards, and driving implementation across application, infrastructure, and operational domains.

Responsibilities

Design scalable architectures for AI applications, distributed services, APIs, event-driven workflows, and data-intensive workloads.
Build production-grade backend services, orchestration frameworks, and reusable platform components.
Define platform patterns, reference architectures, and implementation standards that accelerate enterprise AI adoption.
Translate ambiguous business and product requirements into secure, scalable technical solutions that can pass architecture, governance, and security review.
Drive architectural decisions across service boundaries, data flows, performance, extensibility, reliability, and security.
Design and evolve cloud-native foundations, including Kubernetes, containers, networking, deployment automation, and infrastructure as code.
Establish standards for observability, SLOs, deployment and rollback, capacity planning, resiliency, and disaster recovery.
Produce architecture diagrams, flowcharts, and design documentation, and lead architecture, security, and governance reviews.
Contribute hands-on through development, code reviews, design reviews, and technical coaching.
Evaluate emerging AI, cloud, and platform technologies and guide practical adoption decisions.

Requirements

Strong engineering experience designing, delivering, and operating large-scale production systems.
Proven ownership of complex platform, infrastructure, or enterprise software solutions from design through production.
Experience leading technical initiatives across multiple teams and influencing architecture decisions at scale.
Hands-on experience with Python and modern backend technologies.
Experience designing APIs, distributed systems, event-driven architectures, and cloud-native applications.
Strong understanding of software design principles, testing strategies, CI/CD, and continuous delivery practices.
Deep experience operating systems on AWS, Azure, or GCP, with hands-on Kubernetes, containers, and cloud-native architecture experience.
Experience with infrastructure as code tools such as Terraform, CloudFormation, Helm, or similar technologies.
Understanding of modern GenAI application patterns, including RAG, evaluation frameworks, prompt engineering, AI observability, model lifecycle management, and agents or agent orchestration.
Strong knowledge of networking, identity, security, reliability, monitoring, incident management, and operational readiness practices.
Ability to present, promote, defend, and demonstrate technical solutions to engineers, architects, product leaders, security partners, governance bodies, and executive stakeholders.
Track record of mentoring teams and driving technical excellence across an organization.
Experience building enterprise AI platforms, GenAI solutions, or developer platforms.
Experience with AI observability and evaluation platforms.
Experience with fintech, regulated environments, or enterprise security and governance processes.
Experience supporting highly regulated or high-security environments.

Skills

Python
Kubernetes
Containers
Cloud-native architecture
Terraform
CloudFormation
Helm
RAG
Prompt engineering
AI observability
Model lifecycle management
Agents
Agent orchestration
Networking
Identity management
Security
Reliability
Monitoring
Incident management
Operational readiness

Location

Canada

Work Type

Full-time

Experience Level

Principal
Senior

Salary/Compensations

$138,000 - $221,000 CAD

About the Company

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.
Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.

Equal Opportunity

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.
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.