Full-Time

Principal Data Scientist

Posted on 10/31/2025

Autotrader.ca

Autotrader.ca

501-1,000 employees

Digital solutions for used-car dealers

No salary listed

Toronto, ON, Canada

Hybrid

Category
Data & Analytics (2)
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Requirements
  • Advanced academic credentials in a quantitative field such as Computer Science, Engineering, Mathematics, or related discipline
  • 10+ years of experience in data science, machine learning, or applied AI, with a strong portfolio of high-impact projects in production
  • Expert-level programming skills in Python and SQL, and fluency with leading ML/AI frameworks (e.g., scikit-learn, TensorFlow, PyTorch)
  • Direct experience with GenAI/LLM technologies, including tools like Hugging Face, LangChain, OpenAI APIs, vector databases, and fine-tuning methods
  • Deep knowledge of machine learning algorithms (supervised, unsupervised, deep learning), including model evaluation, explainability, and selection for business-critical use cases
  • Strong hands-on experience with cloud infrastructure (AWS), containerization (Docker), and orchestration (Jenkins, Airflow)
  • Proven capability in MLOps, including CI/CD pipelines, model monitoring, versioning, and automated retraining
  • Experience deploying and serving models through APIs (e.g., Flask, FastAPI) in both real-time and batch-processing environments
  • Excellent communication and stakeholder management skills, able to translate complex concepts into actionable insights for non-technical audiences
  • Demonstrated success mentoring teams, guiding technical strategy, and advocating for best practices in experimentation, reproducibility, and ethical AI
  • Experience working in agile product development environments (Scrum/Kanban); experience influencing product roadmaps is a strong plus
Responsibilities
  • Shape the strategic direction and vision of Data Science across the organization by identifying transformative AI/ML opportunities and championing the team’s evolving role in a rapidly advancing GenAI landscape
  • Lead the design and deployment of predictive and generative AI models that power personalization, pricing, search, and optimization in marketplace and fintech domains
  • Collaborate with product leaders to align ML initiatives with strategic business goals and drive product innovation through data-driven experimentation and modeling
  • Architect scalable ML infrastructure and automated workflows using cloud-native tools (e.g., AWS, EC2, Kubernetes) to support efficient model training, deployment, and analytics across diverse datasets
  • Ensure long-term performance and compliance of production AI models though robust governance and monitoring
  • Provide technical leadership and mentorship to data scientists, shaping an innovative team culture and fostering high-performance and continuous learning
  • Serve as a cross-functional technical leader, shaping company-wide technical initiatives beyond data science. Partner with engineering, product, and platform teams to influence architecture, innovation agendas, and technical standards across the organization
  • Act as a senior technical advisor, leading resolution of complex modeling issues and acting as the escalation point for critical incidents
  • Lead the exploration and strategic application of GenAI, identifying high-impact use cases and guiding their integration across products and platforms
Desired Qualifications
  • Experience in e-commerce, marketplaces, or high-scale consumer platforms
  • Familiarity with automotive data and applications in pricing, inventory optimization, or recommendation systems
  • Contributions to open-source AI/ML projects, publications, or presentations at industry conferences
  • Experience leveraging AI, Generative AI to enhance engineering productivity, automate repetitive tasks, and optimize workflows. Candidates should demonstrate the ability to integrate AI-driven solutions into their daily work — such as code generation, debugging, reviews, documentation, and decision support—to improve efficiency for themselves and their teams. A proactive approach to exploring and implementing AI tools that drive innovation and streamline development processes is highly valued

Autotrader.ca provides a suite of digital tools for used-car dealers to grow online sales. The platform is subscription-based and combines marketplace listings, web solutions, inventory management, traffic analytics, and conversion tools; dealers upload inventory, publish listings, review analytics, and convert traffic into leads. Premium listings on autoTRADER.ca offer extra exposure, while the tools are designed to be simple to use and easy to measure. The goal is to help dealers attract more customers, manage inventory more efficiently, and increase sales in a competitive digital automotive market.

Company Size

501-1,000

Company Stage

Acquired

Total Funding

$2.3B

Headquarters

Toronto, Canada

Founded

1975

Simplify Jobs

Simplify's Take

What believers are saying

  • EV tools like range calculators capture accelerating Canadian adoption demand.
  • Tiered subscriptions attract smaller dealers with pay-per-lead pricing.
  • Video tours and virtual test drives increase listing engagement beyond photos.

What critics are saying

  • Trader Corporation's AutoSync competes directly, cannibalizing subscriptions in 6-12 months.
  • AutoScout24 integration diverts investments from Canadian tools in 12-24 months.
  • Kijiji free listings drive dealer churn to zero-cost alternatives now.

What makes Autotrader.ca unique

  • DemandAI evaluates 50 vehicle attributes and 30 shopper signals for precise matching.
  • Simplified Go, Smart, Pro packages reduce dealer complexity and boost sales focus.
  • Refreshed interface accelerates shopper journey from research to purchase action.

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Benefits

Employee and Family Assistance Program

Gym Membership

Wellness Program

Conference Attendance Budget

Professional Development Budget

401(k) Company Match

Performance Bonus

Company News

AIM Group
Dec 12th, 2024
AutoScout24 completes acquisition of Canada-based Trader Corp. - AIM Group

Germany-based auto marketplace AutoScout24 has completed its acquisition of Canada-based Trader Corporation from private equity firm Thoma Bravo.

Cision
Aug 16th, 2024
AutoScout24 Acquires TRADER Corporation

AutoScout24, a leading pan-European online automotive marketplace, has signed an agreement to acquire TRADER Corporation from Thoma Bravo. Existing majority shareholder Hellman & Friedman will make an additional equity investment in AutoScout24. This acquisition extends AutoScout24's presence outside Europe and enhances its service offerings in automotive dealer software and lender solutions. TRADER Canada operates AutoTrader.ca and AutoHebdo.net, with 26 million monthly visits and 5,000 dealer partners.

PEI Group
Jun 25th, 2024
Thoma Bravo-backed Trader Corp buys Collateral Management Solutions | PE Hub

CMS provides lien and registration services, recovery services and insolvency management solutions.

AIM Group
Jun 25th, 2024
Thoma Bravo Selling Trader Corporation

Private equity firm Thoma Bravo is looking to sell Trader.ca, the operator of AutoTrader.ca, Canada's leading automotive marketplace, according to Bloomberg. The San Francisco-based firm is working with an adviser to find a buyer.

INACTIVE