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Added 3 months ago
LT
Data Scientist
Larus Technologies
Ottawa, Ontario
- Full-time
Advocate high-quality and best practices in software design and development;
Added 3 months ago
LT
Frontend/UI Developer
Larus Technologies
Ottawa, Ontario
- Full-time
We are looking for a UI/Frontend Developer to join the Larus team. You will design and build the interfaces through which military planners, analysts, and decision-makers make sense of…
Added 1 month ago
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AI Systems Engineer – AI Model (Training & Inference)
AMD
Markham, ON
- $132,000 to $198,000 USD / year
- Full-time
The AMD AI Group is looking for a Senior Software Development Engineer to own the end-to-end model execution stack on AMD Instinct GPUs - spanning training infrastructure at scale and…
Added 5 months ago
AI
Solution Engineer - Tooling (Vehicle Intelligence)
Applied Intuition
Owen Sound, Ontario
- Full-time
Applied Intuition’s Tools for Vehicle Intelligence (including the Applied Development Platform, also known as ADP) is the end-to-end platform for building and validating intelligent systems…
Added 5 months ago
AI
Solution Engineer - Vehicle OS
Applied Intuition
Owen Sound, Ontario
- Full-time
Vehicle software developer toolchain: SDK-based development, virtual ECUs, SIL environments, or CI/CD pipelines for automotive software
Added 3 months ago
FS
DSP Designer
Fidus Systems
Remote, Canada
- Full-time
- Remote
…San Jose. We specialize in leading-edge electronic product development, with hardware, embedded software, FPGA/ASIC, and signal integrity teams working together to design and deliver…
Added 3 months ago
FS
DSP Designer
Fidus Systems
Remote, Canada
- Full-time
- Remote
…San Jose. We specialize in leading-edge electronic product development, with hardware, embedded software, FPGA/ASIC, and signal integrity teams working together to design and deliver…
Added 3 months ago
GP
AI/ML Engineer Intern (2027)
Georgian Partners Growth
Remote, Canada
- Internship
- Remote
Software Development: Proficiency in Python and foundational software development skills, enabling you to write clean, efficient code.
Added 3 months ago
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Lead Technical Program Manager, Platform Integration
Waabi
Toronto, ON
- $171,000 to $243,000 USD / year
- Full-time
…with a focus on cross-functional integration between hardware development, onboard software, embedded systems, autonomy, safety, and operations. You are the connective tissue between teams…
Added 2 months ago
Senior Data/AI Engineer
Guidepoint
Toronto, ON
…a modern data infrastructure for advanced analytics and the development of responsible AI. This strategic investment is integral to Guidepoint’s vision for the future, aiming to develop…
Added 2 months ago
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Life Cycle Material Engineering Specialist
General Dynamics Missions System International
Ottawa, ON
- Full-time
Provide expert technical feedback during development of products, and acts as engineering technical program representative to repair programs requiring support on electrical and mechanical…
Added 1 month ago
AI
Full Stack Developer
Avant Imaging & Information Management, Inc.
Toronto, ON · Scarborough, ON
- Full-time
Reporting to the VP, Solutions & Delivery, we are looking for a talented and motivated Full Stack Developer – .NET to join our development team. The ideal candidate will have strong…
Added 1 month ago
TC
AI Security Architect
The Citco Group Limited
Toronto, ON
- Full-time
Knowledge of secure software development practices, API security, cloud-native architectures, identity and access management, encryption, and data protection principles.
Added 1 month ago
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Senior Partnership Manager/ Team Lead (USA/Canada based)
Tidio
Remote, Canada
- Full-time
- Remote
We are among the Top 50 AI and Customer Service Products in G2’s Best Software Awards 2024.
Added 1 month ago
AM
Principal Design Verification Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
…clustering, coverage gap analysis, stimulus optimization, assertion development, debug summarization, and knowledge…
Added 1 month ago
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Senior Site Reliability Engineer
SimCorp
Toronto, ON
- $100,000 to $140,600 CAD / year
- Full-time
…courageous. Our people-centered organization focuses on skills development, relationship building, and client success. We take pride in cultivating an environment where all team members can…
Added 1 month ago
AM
AI Systems Engineer – AI Model (Training & Inference)
Advanced Micro Devices, Inc
Markham, ON
- Full-time
The AMD AI Group is looking for a Senior Software Development Engineer to own the end-to-end model execution stack on AMD Instinct GPUs - spanning training infrastructure at scale and…
Added 5 months ago
QT
Senior Applied AI Engineer - Product & Revenue Systems
QEA Tech
Markham, Ontario
- Full-time
…opportunity summaries, and supporting materials for business…
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Toronto, Ontario
- $110,000 to $130,000 CAD / year
- Full-time
Apply AI-assisted development tools (GitHub Copilot, Copilot Coding Agent, Copilot Spaces) in day-to-day engineering.
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Montreal, Quebec · Greater Montreal Metropolitan Area
- $110,000 to $130,000 CAD / year
- Full-time
Apply AI-assisted development tools (GitHub Copilot, Copilot Coding Agent, Copilot Spaces) in day-to-day engineering.
Added 5 months ago
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Senior Backend Engineer (.NET & AI/ML)
Zonda
Vancouver, British Columbia
- $110,000 to $130,000 CAD / year
- Full-time
Apply AI-assisted development tools (GitHub Copilot, Copilot Coding Agent, Copilot Spaces) in day-to-day engineering.
Added 5 months ago
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Computer Vision & Behavioral Signal Analysis Intern (Travel + Hospitality Focus)
FairwAI
Remote, Canada
- Remote
…organization, which focuses on education, healthcare, and economic development. As a nonprofit, we are able to host unpaid interns in compliance with U.S. labor law and CPT/OPT eligibility…
Added 5 months ago
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Développeur en tests logiciels - Software Developer in Test
OneSpan
Montreal, Quebec
- Full-time
A Software Developer in Test (SDET) is a hybrid role that blends software engineering expertise with deep testing skills. SDETs design, develop, and maintain automated test frameworks,…
Added 5 months ago
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Principal Data Scientist (m/f/d)
AutoTrader.ca
Toronto, Ontario
- Full-time
…reproducibility, and ethical AI - Experience working in agile product development environments (Scrum/Kanban); experience influencing product roadmaps is a strong plus Bonus Points -…
Added 3 months ago
EN
Sr Principal SW Systems Engineer (10342)
Extreme Networks
Toronto, ON
- Full-time

AutoTrader.ca

Principal Data Scientist (m/f/d)

Toronto, ON, Canada

The base salary range for this position is CAD 180K – CAD 200K. · Full-time

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Job details

Pay: The base salary range for this position is CAD 180K – CAD 200K.
Job type: Full-time
Posting language: English
Posted: May 4, 2026

Original job description

We are 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.

AutoTrader.ca is Canada’s largest automotive marketplace, with over 25 million monthly visits.

As part of AutoScout24 group, Europe’s largest online car marketplace, we’re shaping the future of automotive retail in Canada and beyond.

Join our global Data Science team and take a leadership role in shaping the future of the automotive marketplace through cutting-edge AI and machine learning. As a Principal Data Scientist, you’ll spearhead high-impact AI initiatives that influence millions of users worldwide, with a focus on both strategic vision and hands-on innovation. In this role, you’ll collaborate cross-functionally with product, engineering, and business teams to design, build, and scale AI solutions that set us apart in the industry. You’ll bring deep technical expertise, a passion for innovation, and a strong product mindset to develop ML products that solve real-world problems and deliver measurable business value. Our ideal candidate is an experienced data science leader who thrives in a dynamic, fast-paced environment that combines the stability of an industry leader with the agility of a startup culture. You are curious, proactive, and committed to continuous learning, especially in emerging areas like Generative AI and Large Language Models (LLMs). You should be comfortable engaging with all levels of the organization, from peers to executives, and possess the ability to distill complex information into clear, actionable strategies that drive business decisions and create value. What You’ll Do: - 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. What You’ll Need: - 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 Bonus Points - 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 (GenAI) 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 If this opportunity excites you, but you're unsure whether your background checks every box, we value passion, curiosity, and a growth mindset. Reach out and tell us what strengths you would bring to the team. We look forward to hearing from you!

The base salary range for this position is CAD 180K – CAD 200K.

This range reflects the expected compensation at the time of posting. The final offer may vary and can be higher based on relevant skills, experience, location, and market conditions. Based on the role the total rewards package may also include benefits, bonus, and other employee offerings.

What's in it for you:

We understand that there is life at work and life outside of work. Here are a few benefits we all benefit from 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

For a career where you can drive our business and shape your future, apply now.

Use of Artificial Intelligence in Hiring: We use artificial intelligence (“AI”) in our hiring process, including to screen, assess, or select applicants for this position.

Vacancy Status: This job posting is for an existing vacancy.

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More about this job

Responsibilities

The Principal Data Scientist will lead high-impact AI initiatives and collaborate with cross-functional teams to design and scale AI solutions. They will also provide technical leadership and mentorship to data scientists while shaping the strategic direction of Data Science in the organization.

Requirements

Candidates should have advanced academic credentials in a quantitative field and over 10 years of experience in data science or applied AI. They must possess expert-level programming skills and direct experience with GenAI technologies.

Skills

Data Science
Machine Learning
AI
Python
SQL
GenAI
LLM Technologies
Cloud Infrastructure
MLOps
APIs
Communication
Stakeholder Management
Agile Development
Predictive Modeling
Technical Leadership
Mentorship

Benefits

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

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Machine Learning
AI
Python
SQL
GenAI
LLM
AWS
Docker
Kubernetes
Flask
FastAPI
MLOps
Predictive Modeling
Cloud Infrastructure
Technical Leadership
Agile
Experimentation
Reproducibility
Ethical AI
Open Source
Automotive
E-commerce
Marketplace
Consumer Platforms
Data Governance
Model Monitoring
Versioning
Automated Retraining
Decision Support

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