Senior Machine Learning Engineer

About the role We’re looking for a Senior Machine Learning Engineer to join Lightspeed’s Data Science Enablement team. The focus of the team is to build the tools, frameworks, and best practices that support building production ML / AI solutions at Lightspeed. An example of a data science use case is in collaboration with Lightspeed Capital. This group powers our lending products and helps small and medium businesses around the world access the funds they need to grow. Our ML models are at the core of how we decide how much capital to offer each customer, making this role critical to our mission of enabling entrepreneurs everywhere.

As a Senior ML Engineer, you will be a hands-on technical leader , building and scaling the MLOps platform that powers our model lifecycle; from training to validation to deployment. You’ll collaborate closely with data scientists, ensuring they can move quickly and safely from experimentation to production. This is a role with high autonomy, technical ownership, and direct business impact .

Note : As a global company with employees and clients outside of Quebec, fluency in English as a working language is required for this position.

What you’ll be doing

• Design and implement scalable ML infrastructure , including data and model pipelines.
• Build and evolve the MLOps platform , enabling automation of the full ML lifecycle.
• Integrate leading ML frameworks and tools into Lightspeed’s ecosystem.
• Manage and optimize cloud-based ML workloads, ensuring performance and cost efficiency .
• Partner with data scientists to streamline experimentation and deployment workflows.
• Monitor, maintain, and optimize model performance in production.
• Mentor teammates and promote best practices in ML engineering.

What we’re looking for

Nice to have

Why you’ll love this role

What’s in it for you :

…. And enjoy a range of benefits that will keep you happy, healthy and (not) hungry.