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Added 1 hour ago
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Senior Environmental Scientist / Engineer / Technologist
Worley
AB · Edmonton, AB
- Full-time
As a Senior Environmental Scientist / Engineer / Technologist, you will play a key role in leading contaminated site assessment and remediation programs across Alberta. This role blends…
Added 1 hour ago
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Intermediate Environmental Scientist, Engineer-in-Training or Technologist
Worley
AB · Edmonton, AB
- Full-time
As an Intermediate Environmental Scientist, Engineer-in-Training, or Technologist, you will play a key role in delivering contaminated site assessment, remediation, reclamation, and…
Added 3 hours ago
Environmental Engineer or Scientist
GHD Group Pty Ltd
Calgary, AB
We are currently seeking an Intermediate Environmental Engineer/Scientist (Field work) to join our team in Calgary Alberta.
Added 3 hours ago
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Data Scientist
Dexian
Toronto, ON · Greater Toronto Area, Canada
- $80 to $115 CAD / hour
- Contract
Reporting to the Senior Advanced Analytics Manager, the Data Scientist will be conducting all analytical activities related to FCRM transaction monitoring systems.
Added 4 hours ago
HC
Research And Development Manager
Highbury Canco Corporation
Leamington, ON
- $97,000 to $115,000 CAD / year
- Full-time
The ideal candidate is a hands-on food scientist and leader who combines strong technical expertise with sound business judgment, project management skills, and a practical understanding of…
Added 5 hours ago
TI
Data Scientist
TekStaff IT Solutions
Toronto, ON
- Contract
Reporting to the Senior Advanced Analytics Manager, the Data Scientist will be conducting all analytical activities related to FCRM transaction monitoring systems.
Added 5 hours ago
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Associate, Data Scientist
BMO
Toronto, ON · FCP
- Full-time
We are seeking a talented and experienced Data Scientist to join our Data Cognition Team at BMO Capital Markets. As a Data Scientist, you will be responsible for developing and implementing…
Added 7 hours ago
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Data Scientist II
TD
Toronto, ON
- Full-time
Help the organization understand the principles and the math behind the scientist process to drive organizational alignment.
Added 8 hours ago
UH
Senior Data Science Analyst
University Health Network
Toronto, ON
- Contract
We seek a talented and driven Data Scientist passionate about accelerating drug discovery through machine learning and AI to join our team at the Structural Genomics Consortium (SGC). As a…
Added 8 hours ago
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Laboratory Manager
Onda
PE · Victoria, Prince Edward Island
- $65,000 to $74,000 CAD / year
- Full-time
…of commitments, and communication of results to the LabTech Senior…
Added 9 hours ago
Environmental Professional
City of Edmonton
AB
Are you an early career Professional Engineer or Scientist looking to make a meaningful impact on urban environmental sustainability? As an Environmental Professional with the City of…
Added 9 hours ago
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Senior Data Scientist
dentsu
Toronto, ON
- Full-time
The Senior Data Scientist, will be part of a cross-functional team, specifically focused on developing mixed marketing models for our clients. The ideal candidate is both well versed in the…
Added 21 hours ago
A
Senior Research Scientist, Method Development (LC-MS)
Altasciences
Laval, QC
- Full-time
We are seeking a highly motivated and experienced Senior Research Scientist with strong expertise in bioanalytical mass spectrometry to join our Method Development team. The successful…
Added 21 hours ago
TB
Food Scientist, Cannabis Beverages and Edibles
Tilray Brands, Inc.
London, ON
- $60,000 to $80,000 CAD / year
- Full-time
Reporting to the Senior Director of Manufacturing, the Food Scientist is responsible for the research and development of new cannabis consumer products for adult use, with a focus on…
Added 1 day ago
TI
2027 Accelerated Development Program - BrainBox AI
Trane Italia
Montreal, QC
- Full-time
Added 1 day ago
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Senior Data Scientist
Visa
Toronto, ON
- Full-time
The Sr. Data Scientist is responsible for designing and deploying AI-powered tools and agent systems that combine LLMs and custom ML models into end-to-end solutions that support business…
Added 1 day ago
R&
Principal Data Scientist, Agentic AI Technical Lead
Robots & Pencils
Canada
- Full-time
We're looking for a Principal Data Scientist to serve as the technical lead across an entire agentic AI program. This role is ideal for a deeply experienced data science and AI leader who…
Added 1 day ago
AI
Lead Data Scientist
Alberta iGaming Corporation (AiGC)
AB · Greater Edmonton Metropolitan Area
- Full-time
We're looking for a Lead Data Scientist to lead the application of advanced data science and analytical methodologies to enable safe, fair, and responsible iGaming in Alberta by providing…
Added 1 day ago
XP
Research Associate 1 or 2, Biology (12 Month Contract)
Xenon Pharmaceuticals
Burnaby, BC
- $58,100 to $81,000 CAD / year
- Full-time
The Research Associate 1 or 2, Biology will report to the Senior Research Scientist, Biology and be based out of Vancouver, BC, Canada. The level of the position will be commensurate with…
Added 1 day ago
W
Junior Environmental Scientist or Technologist
Worley
AB · Alberta, Canada
- Full-time
As a Junior Environmental Scientist or Technologist, you will play an important role in delivering field-based environmental programs that support remediation, decommissioning, reclamation,…
Added 1 day ago
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AI Opportunities | Opportunités en IA
McKesson
Montreal, QC
- Full-time
…size it before it moves. Open roles: Lead Solution Architect, Senior Business Analyst, Data Scientist, Data…
Added 1 day ago
Senior Data Scientist
Scotiabank
Toronto, ON
Within this department, the Senior Data Scientist is responsible for solving complex business problems, using quantitative approaches with a unique blend of analytical, mathematical and…
Added 1 day ago
TT
Sr. Data Scientist
Tundra Technical Solutions
Mississauga, ON
- $75 to $85 CAD / hour
- Contract
Senior Data Scientist role within our client's Advanced Analytics team. This posting is for two headcount and both are end-to-end data science roles and are interchangeable by design.
Added 1 day ago
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Data Scientist
Dexian
Mississauga, ON
- $75 to $85 CAD / hour
- Contract
Build dashboards/data applications for senior business stakeholders.
Added 1 day ago
KI
Architect, Machine Learning (Principal Scientist)
Kinaxis Inc.
Canada
- Full-time
…capabilities. As part of the Product R&D organization, you will play a senior technical leadership role in applied AI, helping identify promising techniques, develop differentiated…

eBay

Manager, Data Science – Risk & Trust

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Experience: BA/BS with 8+ years, or Masters/PhD with 6+ years of experience in Data Science, Analytics, Quantitative Research, or a related field
Posting language: English
Posted: Oct 1, 2026

Original job description

At eBay, we're more than a global ecommerce leader - we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers - and help us connect people and build communities to create economic opportunity for all.

Build the future of safe commerce

Millions of people buy and sell on eBay every day, making it one of the largest and most diverse marketplaces worldwide. A group of analysts, scientists, and strategists work behind the scenes to keep the platform safe, fair, and dependable. We are searching for an outstanding Data Scientist to join eBay’s Trust & Risk Analytics team in Toronto and help define marketplace safety at scale.

The opportunity

This is not a role for someone who wants to run analyses in isolation. As a Data Scientist in Trust & Risk, you will operate as a strategic analytics partner to senior leaders across Trust, Risk, Product, Engineering, Policy, and Shipping. You will build how eBay identifies, measures, and reduces transaction risk - and your work will directly influence platform decisions affecting hundreds of millions of users globally.

You will lead the analytical approach for several complex workstreams, such as seller risk, buyer risk, account risk, eBay Money Back Guarantee, and shipping loss. You will also develop measurement and decision frameworks that promote accountability and influence business outcomes throughout the organization.

What you'll do

Build Trust & Risk Strategy: Define and drive analytical strategy across Trust & Risk domains, translating organizational objectives into measurable priorities
Define Enterprise Measurement: Build enterprise-scale benchmarks and quantitative frameworks for transaction risk, decision quality, false positives, residual exposure, and return on investment
Lead Across Workstreams: Lead simultaneous high-impact analytical workstreams, connecting insights across risk vectors and organizational boundaries
Influence Cross-Functional Decisions: Guide senior leaders across Trust, Product, Finance, Engineering, and Policy with clear, compelling, evidence-based recommendations
Identify & Prioritize Opportunities: Identify and prioritize the highest-value opportunities across customer experience, marketplace risk, and transaction loss
Raise the Analytical Bar: Mentor and develop other data scientists, raising the quality of analytical thinking and execution across the team

What we're looking for

BA/BS with 8+ years, or Masters/PhD with 6+ years of experience in Data Science, Analytics, Quantitative Research, or a related field
Demonstrated ability to move from ambiguous business problems to structured analytical strategies with measurable organizational impact
Strong technical foundation: proficiency in Python or R, SQL, and applied quantitative/statistical methods
Proven experience leading multiple complex analytical workstreams simultaneously and driving sustained outcomes
Outstanding executive communication skills - you make the complex simple and the insightful actionable
Track record of influencing cross-functional decisions at senior levels without relying on direct authority

Preferred experience

Prior experience in marketplace trust, fraud, transaction risk, or e-commerce
Background in developing enterprise measurement frameworks for loss, decision quality, or risk exposure
Experience in a leading technology or e-commerce company
Familiarity with machine learning, NLP, or LLM/GenAI applications

Why ebay

eBay is a passionate company with nearly 30 years of history connecting buyers and sellers across 190 markets. The Trust & Risk team is central to that mission - and this role is one of the most strategically visible in the organization. You'll have the scale to make an impact, the autonomy to lead, and the opportunity to build something that protects real people. Join us in Toronto and help create a safer, more trusted global marketplace!

Additional Details

This job posting relates to an existing vacancy within eBay.

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at talent@ebay.com. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility.

We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center, and AI Hiring Guidelines.

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More about this job

Responsibilities

You will lead the analytical strategy for Trust & Risk domains, defining enterprise-scale measurement frameworks to identify and reduce transaction risk. Additionally, you will partner with senior leadership across product, engineering, and policy to drive evidence-based decisions that enhance marketplace safety.

Requirements

Candidates must have 6-8+ years of experience in Data Science or quantitative research with a strong technical foundation in Python, R, and SQL. Proven ability to lead complex analytical workstreams and influence cross-functional stakeholders at an executive level is required.

Skills

Data Science
Analytics
Python
R
SQL
Quantitative Research
Statistical Methods
Risk Management
Fraud Detection
Machine Learning
NLP
GenAI
Strategic Planning
Executive Communication
Cross-functional Leadership
Measurement Frameworks

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Risk Management
Trust & Safety
Marketplace
E-commerce
Python
R
SQL
Quantitative Analysis
Statistical Methods
Fraud
Transaction Risk
Machine Learning
NLP
GenAI
Strategic Analytics
Measurement Frameworks
Decision Quality
Return On Investment
Cross-functional Collaboration
Executive Communication
Data-driven Decision Making
Product Strategy
Engineering
Policy
Analytics Leadership
Risk Exposure
Marketplace Safety
Enterprise Benchmarks
Mentorship

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