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Senior Data Scientist - Toronto (m/f/d)

AutoTrader.ca
CompanyAutoTrader.ca
CategoryData & Analytics
LocationToronto
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted12 Feb 2026
Last verified10 Aug 2026
SourceEmployer ATS (greenhouse)
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Description
We are  TRADER , a Canadian leader in digital automotive solutions. Our flagship brands -  AutoTrader.ca ,  AutoSync ,  Dealertrack Canada and CMS  - help Canadians buy, sell, and finance vehicles with confidence.  Learn more at  tradercorporation.com .   As part of  AutoScout24 group , Europe’s largest online car marketplace, we’re shaping the future of automotive retail in Canada and beyond.     As  Senior Data Scientist , you will be key contributor within our global Data Science organization, shaping AI and machine learning systems that sit at the core of our marketplace platforms across Europe and Canada.   You design, build, and operate machine learning and GenAI systems that run in production and matter to the business. You work on complex, ambiguous problems, exercise strong technical judgment, and take responsibility for outcomes - not just models. While this is a hands-on role, you are also expected to influence technical direction, raise the bar for engineering practices, and enable other data scientists and engineers to succeed. This position is permanent and based in Toronto.  What  you’ll  do   Own ML and GenAI systems end-to-end in production, including problem framing, system design, deployment, monitoring, and continuous improvement   Make sound architectural and methodological decisions for ML systems on AWS, balancing robustness, observability, cost, and long-term maintainability   Partner closely with Product, Engineering, and Business leaders to turn ambiguous problems into ML-enabled product solutions with clear outcomes   Operate and evolve ML systems deployed across multiple countries and markets, accounting for differences in data distributions, regulations, and constraints   Mentor other data scientists through hands-on technical guidance, design reviews, and shared ownership of systems   What  you’ll  need   Advanced degree in Computer Science, Engineering, Mathematics, or a comparable field   5+ years of experience building and owning production ML systems end-to-end in a real-world environment   Strong hands-on expertise in Python and modern ML frameworks, with the ability to ship, operate, and evolve ML systems in production   Solid experience with AWS and MLOps practices, including deployment, monitoring, and operating ML systems at scale   Practical experience applying GenAI / LLMs in applied or production contexts, with a clear understanding of trade-offs and limitations   Ability to influence technical decisions through clear judgment and collaboration, not formal authority   Experience supporting and guiding more junior data scientists through hands-on collaboration, code reviews, and technical feedback   Strong sense of ownership and accountability for outcomes, with a pragmatic approach to trade-offs and delivery   What’s in it for you   We understand that there is life at work and life outside of work. Here are a few benefits that support us to be our creative best.    Gym discounts  Employee and Family Assistance program  Virtual wellness events  Conferences & training budget  Regular internal training programs  Financial planning with 3% matching Pension   Competitive salary  Annual bonus structure  The  base salary range  for this position is   CAD $180k – $210k. This range reflects the expected compensation at the time of posting. The final offer may vary and can be higher based on