Senior Ai Compute Engineer in Toronto

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 Director, SME Growth Program Management Overview: SMEs are the backbone of the global economy and a key driver of Mastercard’s growth strategy. As both buyers and sellers within the payment ecosystem, they represent a significant opportunity to expand adoption, deepen engagement, and deliver innovative solutions that help businesses thrive. The Director, SME PMO & Strategic Execution will serve as the operational backbone of Mastercard's global SME business across the enterprise, ensuring priorities are translated into coordinated action and measurable outcomes. This role is responsible for driving cross-functional execution, governance, and accountability across the SME organization, partnering closely with senior leaders to align stakeholders, prioritize investments, and maximize business impact. As a trusted advisor and chief integrator, the Director will establish the operating rhythms, performance management processes, and decision-making frameworks that keep strategic initiatives on track. The role requires a highly collaborative leader who can influence across a complex global matrix, anticipate risks and dependencies, and bring teams together around shared objectives. The ideal candidate combines strong business acumen with exceptional program management and stakeholder leadership skills.

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. The Driver team is dedicated to fostering a platform of high-quality service by empowering drivers to perform their best. We are looking for a product-minded engineer who wants to build and improve products that sit at the center of the core driver experience. Products you drive will solve pain points that matter most to drivers by streamlining key interactions, reducing friction, and creating systems that feel intuitive, fair, and supportive. As an engineer at Lyft, you'll collaborate with teams like product, data science, analytics, and operations on code that empower us to iterate quickly, while focusing on delighting our passengers and drivers. Responsibilities: Design and implement backend features end-to-end with clear ownership, delivering well-scoped work from technical design through to production with moderate guidance from senior engineers Write clean, reliable, well-tested code that meets team standards and holds up in code review Participate actively in code reviews, giving specific and constructive feedback while continuing to develop your own review instincts Debug and resolve issues across backend services including performance bottlenecks, reliability problems, and data integrity issues Collaborate with product managers, designers, and partner engineering teams to clarify requirements and surface technical constraints early Contribute to technical discussions and help evaluate implementation approaches for new features Write unit and integration tests for your own code and develop familiarity with the team's broader testing and observability practices Address technical debt and make incremental improvements to existing services as part of regular development work Participate in on-call rotations, respond to production incidents, and support teammates in mitigating custome