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Added 8 mins ago
RM
Supervisor, Centralized Scheduling
Ross Memorial Hospital
Kawartha Lakes, ON · Lindsay, ON
- Full-time
This is an opportunity for a leader who combines strong people management skills with technical aptitude, problem-solving, and an interest in optimizing scheduling systems and workforce…
Added 8 mins ago
AH
Environmental Services - Cleaner/Housekeeper
Alberta Health Services
AB · Edmonton, AB
- Temporary
…identifying and reporting potential hazards to your Working Leader and you may also provide training or orientation to Environmental or Laundry…
Added 8 mins ago
AH
Environmental Services - Cleaner/Housekeeper
Alberta Health Services
AB · Edmonton, AB
- Part-time
…identifying and reporting potential hazards to your Working Leader and you may also provide training or orientation to Environmental or Laundry…
Added 9 mins ago
AH
Physiotherapist I
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Temporary
…Health Assistant Manager and support from the Clinical Practice Leader, this Physiotherapist I position is primarily responsible for providing direct patient care within our In-patient…
Added 9 mins ago
AH
Physiotherapist I
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Temporary
…Health Assistant Manager and support from the Clinical Practice Leader, this Physiotherapist I position is primarily responsible for providing direct patient care within our In-patient…
Added 9 mins ago
AH
Physiotherapist I
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Temporary
…patient- and family-centered care. Reporting to the Clinical Leader and Allied Health management, the successful candidate will assess, treat, educate, and manage patients across areas such…
Added 53 mins ago
NA
Heavy Equipment Operator (Excavator) (Kearl)
North American Construction Group Inc.
Fort McMurray, AB
- Up to $58.16 CAD / hour
- Temporary
Shift, site, and start times are subject to change.
Added 1 hour ago
B
Leader, Operations
Bombardier
Dorval, QC
- Full-time
As a Leader, Operations at Bombardier, reporting to the Operations Director, you are responsible for managing unionized employees. Your role requires acting as a coach and a communicator.
Added 1 hour ago
BV
JUNIOR ASSISTANT MANAGER
Bikini Village
Winnipeg, MB
- Full-time
Dayforce Wallet (pay on demand: you’ll be able to access a portion of your pay as soon as your shift ends).
Added 3 hours ago
H
Manager Medical Device Reprocessing Saskatoon City Hospital
HealthCareersInSask.ca
Saskatoon, SK
- Full-time
Job Description: The Manager, Medical Device Reprocessing Department is a key leader in Saskatchewan health care, partnering with system leaders to achieve our province’s healthcare goals.…
Added 3 hours ago
A
Bar & Restaurant Manager, ARC - Full Time
AccorHotel
Vancouver, BC
- Full-time
…for Trans Link monthly passes, subsidized meal during your shift through our colleague dining…
Added 4 hours ago
CA
Machine Operator - Afternoon shift
Collins Aerospace
Oakville, ON
- Full-time
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical…
Added 4 hours ago
HT
Assembly Technician (Contract)
Husky Technologies
Bolton, ON
- Full-time
Highly competitive wages and shift premiums for afternoon/evening and weekend shifts (pay is dependent on experience and role/level)
Added 4 hours ago
HT
CNC Machinist - Rotational Shifts only + Benefits package + Paid time off +Shift Premium+ RRSP benefits
Husky Technologies
Bolton, ON
- Full-time
Title: CNC Machinist - Rotational Shifts only + Benefits package + Paid time off +Shift Premium+ RRSP benefits
Added 4 hours ago
Health Care Aide
Winnipeg Regional Health Authority
Dauphin, MB
…plan, including reporting changes in condition to the team leader, updating bowel movement records each shift, weighing clients, recording intake and output as required, and documenting…
Added 4 hours ago
Storekeeper - SMHC
Winnipeg Regional Health Authority
Selkirk, MB
…non-medical equipment items. This position also assists the Team Leader in the day-to-day computerized storekeeping, stock, inventory, accounting records and security of the Warehouse…
Added 4 hours ago
Sr Mgr Perf & Prod Marketing
Rogers Communications
Toronto, ON
Rogers is looking for a strategic, data-driven and engaging leader to join our team as Senior Manager, Performance & Product Marketing across our leading media brand portfolio. This role…
Added 4 hours ago
Marketing Manager
Rogers Communications
Toronto, ON · Montreal, QC
…committed to keeping Canadians connected. As Canada's market leader, Rogers Wireless offers a range of specialized plans, products, and services through its three wireless brands: Rogers,…
Added 4 hours ago
Dir. Sportsnet Marketing
Rogers Communications
Toronto, ON
The Senior Director, Marketing is the portfolio marketing leader for Rogers Sports & Media, responsible for building audiences, accelerating subscription growth and strengthening the market…
Added 5 hours ago
S
Director of Training - SaaS, Healthcare - Greater Vancouver
Sycle
Vancouver, BC
- Full-time
This leader will position training as a key strategic differentiator that accelerates product adoption, shortens time-to-value, reduces support demand, and reinforces Sycle’s standing as an…
Added 5 hours ago
B&
Retail Brand Experience Supervisor-CAMBRIDGE CENTRE
Bath & Body Works
Cambridge, ON
- $22.95 CAD / hour
- Full-time
As a Brand Experience Supervisor, you will have the opportunity to work in partnership with the Brand Experience Leader to develop outstanding associates, deliver exceptional and consistent…
Added 5 hours ago
Powder Applicator
Select Finishing
Chatham-Kent, ON · Wallaceburg, ON
Established in 2004, Select Finishing is a leader in the finishing and coatings industry with over two decades of excellence in powder, e-coating, and liquid finishes. We're known for our…
Added 5 hours ago
TH
Clinical Leader | Temporary Full time | CVH | Birthing Suite
Trillium Health Partners
ON · ON, Canada
- Full-time
Shift/Hours of Work: Monday to Friday - 7.5 hours with ability to flex when needed to meet operational needs
Added 5 hours ago
Production Operator
Molson Coors
Chilliwack, BC
As a Relief Operator, you will work rotating shifts Monday through Friday (one week spent on each shift) and may require overtime including weekends. You will be paid $29.15 an hour. You…
Added 6 hours ago
MM
Production Supervisor
Modine Manufacturing Company
Calgary, AB
- Full-time
…technology, Modine has sharpened its focus as a specialized leader in commercial HVAC and data center solutions into a new era. Throughout this evolution, our dynamic and collaborative…

eBay

Applied Researcher

Toronto, ON, Canada

C$118,000 - C$157,500 · Full-time

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Job details

Pay: C$118,000 - C$157,500
Job type: Full-time
Posting language: English
Posted: Nov 4, 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.

Advertising is one of the fastest growing areas in eBay which in some ways, is defining the future of eBay. Digital advertising as an industry is growing rapidly, and the landscape is shifting as ecommerce advertisers are finding better value with ecommerce companies like eBay. As they shift budget from the duopoly of Google and Facebook, it builds a huge opportunity for eBay. Advertising is also amplifying eBay’s ecommerce by providing a tool for our sellers to move inventory and for buyers, by surfacing high quality items.

This team builds end-to-end ML and data-driven advertising systems that power both ad serving and advertiser-side optimization. We develop large-scale recommendation models to achieve marketplace monetization and bring relevant buyer experiences, while also providing intelligent guidance to help advertisers optimize their targeting, bids, budgets, inventory and business goals through automation, machine learning including GenAI. This is a high-impact and fast-growing area with significant business potential, requiring work with massive datasets and advanced machine learning techniques across ranking, forecasting, optimization, and experimentation.

As an Applied Researcher within our Advertising team, you will play a pivotal role in developing machine learning models and algorithms to guide advertisers optimally. This role will also include a scope positioned around data analysis. Your work will directly impact our guidance systems, enhancing ad performance and delivering actionable insights. You will lead our efforts in data analysis, uncovering trends, and driving data-informed decisions that support our advertisers' success.

What you will accomplish:

Machine Learning Development: Design, implement, validate and deploy machine learning models tailored to advertising applications. Focus on developing systems that provide actionable guidance to advertisers, optimizing ad performance and engagement.
Data Understanding: Analyze large volume of production data to produce business insights and identify potential opportunities for ML solutions
Cross-functional Collaboration: Work closely with product managers, engineers, and other researchers to integrate machine learning insights into our advertising products. Ensure that our advertiser guidance systems are aligned with user needs and business goals.
Innovation and Research: Stay abreast of the latest developments in machine learning and advertising technologies. Chip into internal and external research communities by publishing findings, attending conferences, and participating in collaborative projects.
Technical Mentoring: Guide junior researchers and data analysts. Share knowledge and standard methodologies in machine learning and data analysis to uplift the team's capabilities.

What you will bring:

Education: Ph.D. or M.S. (3 yrs+) in Computer Science, Statistics, Mathematics, or a related field with a focus on machine learning or data science.
Experience: Experience in applied research or development of machine learning models, data analysis, preferably with the advertising industry or a closely related field, i.e. search, recommender system and NLP.
Technical Proficiency: Strong programming skills in Python, Scala, or similar languages. Expertise in machine learning frameworks (e.g. PyTorch/Huggingface/Ray/vLLM) and experience with big data technologies (e.g., Hadoop, Spark).
Analytical Skills: Outstanding ability to analyze large datasets, identify trends, and derive actionable insights. Expertise in data mining and segmentation. SQL is a must.
Communication: Excellent verbal and written communication skills, with the ability to convey sophisticated technical concepts to non-technical partners.

Additional Details

The base pay range for this position is expected in the range below:

C$118,000 - C$157,500

Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including RRSP eligibility, various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

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

Design, implement, and deploy machine learning models to optimize advertising performance and provide actionable guidance to advertisers. Lead data analysis efforts to uncover trends and drive data-informed decisions across the advertising platform.

Requirements

Requires a Ph.D. or M.S. with 3+ years of experience in machine learning, statistics, or a related field. Candidates must possess strong programming skills in Python or Scala and expertise in big data technologies and machine learning frameworks.

Skills

Machine learning
Data analysis
Python
Scala
PyTorch
Huggingface
Ray
vLLM
Hadoop
Spark
SQL
Data mining
Segmentation
Recommender systems
NLP
Advertising technology

Benefits

Medical benefits
Financial benefits
RRSP eligibility
Paid time off
Parental leave
Restricted stock units
Target bonus

Visa sponsorship

Not detected in the job text

Keywords

Applied Researcher
Machine Learning
Advertising
Ecommerce
Data Analysis
Python
Scala
PyTorch
Huggingface
Ray
vLLM
Hadoop
Spark
SQL
Data Mining
Segmentation
Recommender Systems
NLP
GenAI
Ranking
Forecasting
Optimization
Experimentation
Marketplace Monetization
Big Data

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