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Added 26 mins ago
BC
Bed Allocator
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 26 mins ago
BC
Communication Assistant
Brant Community Healthcare System
Brantford, ON
- Full-time
At BCHS, we are driven by a bold vision: To Lead Beyond Care. As a two-site community hospital system in Brantford and Paris, Ontario, we serve with purpose, passion, and a deep commitment…
Added 56 mins ago
MU
Manager, Stewardship & Gift Documentation
McMaster University
Hamilton, ON
- Full-time
Lead the University's annual donor reporting program for endowed chairs and other faculty reporting, overseeing planning, timelines, quality control, stakeholder engagement, and delivery.
Added 3 hours ago
PS
Operations Manager
Paladin Security Group Ltd
Burnaby, BC
- $85,000 to $100,000 CAD / year
- Full-time
The position oversees operational procedures, quality assurance, compliance, workforce planning, performance reporting and continuous improvement. The Operations Manager works closely with…
Added 3 hours ago
E9
Manager, Talent Development
E-Comm 9-1-1 | Emergency Communications for British Columbia Incorporated
Vancouver, BC
- $132,267 to $150,000 CAD / year
- Full-time
…implementation, adoption and evaluation. As a people leader, you will lead and develop a team responsible for delivering high-quality talent, leadership and organizational development…
Added 3 hours ago
QP
Operations Supervisor
QuadReal Property Group
Vancouver, BC
- Full-time
Lead, coach, and develop the operations team, creating clear paths for growth and development.
Added 3 hours ago
LA
Sales Development Representative (SDR / Setter)
Limitless Agency
Remote, Canada
- $65,760 to $136,800 USD / year
- Full-time
- Remote
Lead Flow: Some inbound qualifying (triage) calls from our paid ads, plus some outbound outreach to leads who have opted in through our paid ads. The goal is to make sure our closers have…
Added 3 hours ago
MG
Director, Legal & Loan Operations
MarshallZehr Group Inc.
Waterloo, ON
- $110,000 to $130,000 CAD / year
- Full-time
…the Director, Legal & Loan Operations (the “Director”) will lead MarshallZehr’s legal and loan operations function across mortgage funding, documentation, transaction compliance and…
Added 3 hours ago
MC
Building Superintendent
Medallion Corporation
London, ON
- Full-time
Manage unit turnovers, ensuring timely completion and quality standards
Added 3 hours ago
Operations - Area Operations Manager (Guardteck)
Kandor
Burnaby, BC
The Area Operations Manager is an internal-facing role focused on efficiency, logistics, and quality control across a portfolio of sites. This position owns internal operations, scheduling,…
Added 3 hours ago
The Karl - Laundry Operations Manager
Northland Properties
Revelstoke, BC
The Laundry Operations Manager oversees all laundry operations, ensuring the highest standards of cleanliness, quality, and efficiency for all linens, uniforms, and guest laundry services.…
Added 4 hours ago
LC
Social Media Content Manager (12-Month Contract)
Loblaw Companies Limited
Toronto, ON
- Full-time
We are seeking a highly organized, collaborative, and execution-focused Content Manager to lead the delivery of social content across multiple Loblaw banners, brands, and business…
Added 4 hours ago
AR
Restaurant Manager
A&W Restaurants
AB
- Full-time
The Restaurant Manager is responsible for all aspects of restaurant operations including the quality and consistency of the customer experience, adherence to A&W standards, Provincial WCB,…
Added 4 hours ago
SJ
Store Manager - Peoples Jewellers - Champlain Place
Signet Jewelers
Dieppe, NB · Canada - Champlain Place - Dieppe, NB
- Full-time
Reporting to the District Manager (DM), the Store Manager (SM) will lead the day-to-day operations of a single store to achieve all sales, profitability, customer satisfaction, inventory…
Added 4 hours ago
FC
Senior Workday Functional Specialist
Fanshawe College
London, ON
- Full-time
As Workday becomes the foundation of our administrative ecosystem, access to accurate, timely, and actionable data is more important than ever. To support this evolving landscape, Fanshawe…
Added 4 hours ago
OT
Business Development Manager
Ottawa Tourism
Ottawa, ON
- Full-time
…Ottawa as a compelling leisure and business destination and lead or participate in initiatives that improve Ottawa’s visitor experience. We contribute to the broader economic development…
Added 4 hours ago
HT
Master Data Mgmt Analyst
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 4 hours ago
V|
Administrative Assistant
Veolia | North America
AB · Edmonton, AB
- Full-time
…world’s most complex challenges related to water scarcity, quality, productivity, and energy. Together, we pursue a shared mission to create a more sustainable…
Added 4 hours ago
HC
Transformation and Strategic Initiatives Advisor (#2026-NON-CHS-333)
Hastings County
Belleville, ON
- Full-time
Lead the oversight of assigned programs including supporting the implementation of provincial direction and reporting.
Added 4 hours ago
B&
Human Resources Partner ( 18 Month Maternity Leave Replacement)
Black & McDonald Limited
Brossard, QC
- Full-time
Black & McDonald is an integrated, multi-trade service provider delivering high-quality construction, facilities management, and technical solutions across North America. As a family-owned…
Added 4 hours ago
AC
Analyste D'affaires Principal En Finance
Aston Carter
Montreal, QC
- $95 to $115 CAD / hour
- Contract
The Business Analyst will lead finance-focused business analysis initiatives within the Finance Transformation & Systems function. This role involves translating complex financial…
Added 4 hours ago
VC
Program Clerk/Transcriptionist
Vancouver Coastal Health
Richmond, BC
- $26.42 to $28.25 CAD / hour
- Full-time
…compiles statistics. Participates in on going team planning and quality improvement…
Added 4 hours ago
VC
Mental Health & Addictions Care Worker
Vancouver Coastal Health
Richmond, BC
- $33.49 to $35.31 CAD / hour
- Other
…corporate initiatives, engages in on going team planning and quality improvement activities, maintains a safe and clean environment for clients and team, and performs a variety of clerical…
Added 4 hours ago
A
Director, Stations
AECOM
Mississauga, ON
- Full-time
Lead the construction planning, execution, and delivery of major station projects in a Progressive Design-Build (PDB) environment, including early works, construction readiness,…
Added 4 hours ago
CS
Parts Technician
Certified Sales and Rentals
Saskatoon, SK
- Full-time
Excellence - be a part of an industry leader in quality, safety, & integrity

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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