Machine Learning Engineer – Staff, Principal

Tubi

Staff Machine Learning Engineer contributing to video personalization projects at Tubi. Designing and implementing advanced algorithms while collaborating with cross-functional teams.

Posted 7/27/2026full-timeToronto • 🇨🇦 CanadaLead💰 CA$168,000 - CA$307,000 per yearWebsite

Tech Stack

Tools & technologies

PyTorchTensorflow

About the role

Key responsibilities & impact

Lead the design, development, and implementation of advanced recommendation systems and algorithms for a global audience
Conduct deep dives into algorithmic components and systems, ensuring that models are optimized for both performance and scalability across multiple regions and product areas
Build and deploy high-impact robust ML pipelines, including data extraction, feature development, model training, testing, and deployment
Continuously monitor, evaluate, and optimize the performance of deployed models, ensuring they meet business goals and provide high-quality user experiences.
Work closely with Product, Engineering, and Data Science teams to align on product requirements, set expectations, and deliver machine learning-driven solutions that improve user engagement

Requirements

What you’ll need

8+ years of industry experience building production Machine Learning systems
MSc or Ph.D. in Computer Science, Machine Learning, Statistics, Mathematics, or a related field
Experience with deep learning technologies for recommendation systems, including TensorFlow, PyTorch, or similar frameworks
Proficiency in building and deploying full-stack machine learning pipelines: data extraction, data mining, model training, feature development, testing, and deployment.
Solid understanding of statistical concepts such as hypothesis testing, regression analysis, and performance evaluation metrics for machine learning.
Ability to deep dive into individual components and systems, as well as understand the overall architecture of machine learning solutions.

Benefits

Comp & perks

Medical/dental/vision
Insurance
Vacation/paid time off
Annual discretionary bonus
Long-term incentive plan
Flexible Time Off Policy
Generous Parental Leave Program
Monthly wellness reimbursement