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Added 3 days ago
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Consultant ou consultante Azure DevOps
Alithya
ON · Ontario, Canada
- Full-time
Support Azure services including App Services, Function Apps, Azure SQL, API Management, Data Factory, Databricks, Cosmos DB, Key Vault, and Storage Accounts;
Added 3 days ago
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Consultant, Analytic Insights
Deloitte
Toronto, ON
- Full-time
Deloitte’s Analytic Insights team transforms data into actionable insights to support strategic decisions that amplify stakeholder value. The team relies on expertise in business…
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Senior AI Developer / Generative AI Engineer
ThoughtStorm
Toronto, ON
- Contract
Strong hands-on expertise in Python and SQL, with experience in software engineering and developing production-ready AI applications and enterprise solutions.
Added 3 days ago
M
People AI Solutions Designer
McKesson
Mississauga, ON
- Full-time
Build across low-code and agent platforms (e.g., Microsoft Copilot Studio / Power Platform, ServiceNow, Moveworks) and drop into code (Python, scripting, APIs) where it is the better tool.
Added 3 days ago
Data Engineer - Snowflake, dbtCore/Cloud, AWS
Aviva
Markham, ON
Mentorship: Guide and mentor Data Engineers and project team members, elevating team capabilities and engineering excellence.
Added 3 days ago
AM
Sr. Systems Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
The Datacenter Hardware Lab Team is seeking a highly motivated Hardware Design Verification Engineering Intern/Co-op to support the testing, validation, and debugging of AMD’s…
Added 3 days ago
IG
SAS Data Scientist
Insight Global
Toronto, ON
- Contract
Our client is seeking a Data Scientist to support a strategic initiative focused on modernizing and migrating existing SAS-based analytics processes into Python. This individual will serve…
Added 3 days ago
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Requirements Management Specialist
SkyAlyne
Ottawa, ON
- Full-time
Position Reports To: Manager Systems Engineering
Added 3 days ago
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Multiple Automation Tester Role
Silverlink Technologies
Brampton, ON
- Contract
2. Automation Developer (Python & Cross-Platform SDET)
Added 3 days ago
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Data Modeler
Manpower
Calgary, AB
- Contract
Design, build, test, and optimize scalable ETL/ELT pipelines in Databricks using Python, PySpark, SQL, notebooks, jobs, and pipeline orchestration patterns to support reliable Silver and…
Added 3 days ago
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Investment Team Intern, Summer 2027 (Co-op/Internship) - 4 months
BMO
Toronto, ON · FCP
- Full-time
Currently enrolled in an undergraduate program, preferably in business, finance, economics, mathematics, data analytics, computer science, engineering, or a related field.
Added 3 days ago
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Applied Researcher
eBay
Toronto, ON
- Full-time
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…
Added 3 days ago
TB
Senior DevOps Engineer (SRE / Platform Engineering)
TLNT Bridge Recruiting
Vancouver, BC
- Full-time
Our client operates large-scale, technology-driven platforms that process enormous volumes of data and support complex, mission-critical applications. Their engineering environment is built…
Added 3 days ago
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Senior Associate SIEM Implementation
PwC
Calgary, AB · Vancouver, BC · Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
Proficiency in scripting languages such as Python, PowerShell, and Bash for automation and data processing.
Added 3 days ago
VS
Software Systems Engineer - Interferometry/microscopy
VIAVI Solutions
Ottawa, ON
- Full-time
Design and maintain a REST API for integration with factory automation, test stations and data systems
Added 3 days ago
ZS
Azure Databricks Platform engineer
Zodiac Solutions, Inc
Toronto, ON
- Full-time
The engineer will work closely with data engineering, cloud infrastructure, security, networking, DevOps, and application teams to provide a secure, scalable, governed, reliable, and…
Added 3 days ago
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Senior WMS Implementation Engineer
Hays
Canada
- $95 to $100 CAD / hour
- Contract
Proficient in Python for data science and GenAI application development
Added 3 days ago
QI
Automation Control Engineer
Quickmill Inc
Peterborough, ON
- Full-time
…candidate will have experience in PLC programming, C, C#, C++, Python programming, app development, UX design and preference will be given to candidates with servo motor tuning and other…
Added 3 days ago
AS
Backend Python Developer - GenAI Focus
Axelon Services Corporation
Montreal, QC
- $86.21 CAD / hour
- Other
Design, develop, and implement scalable solutions using Python and React within a dynamic, agile team.
Added 3 days ago
AI Engineer
Eclipse Automation
Cambridge, ON
Eclipse Automation is advancing a multi-year digital transformation that connects AI, engineering data, simulation, and enterprise systems to change how custom automation machines are…
Added 3 days ago
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Java Developer or Python Developer with Data Lineage and meta data
I8IS - Infiniti Software Solutions
Mississauga, ON
- Full-time
Developer focused on data lineage to build systems that parse and analyze large, multi-language codebases and automatically generate accurate data lineage. The role pairs strong Python…
Added 3 days ago
TB
Senior DevOps Engineer (SRE / Platform Engineering)
TLNT Bridge Recruiting
Vancouver, BC
- $113,900 to $147,000 CAD / year
- Full-time
Our client operates large-scale, technology-driven platforms that process enormous volumes of data and support complex, mission-critical applications. Their engineering environment is built…
Added 3 days ago
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Senior Machine Learning Engineer
TEEMA
Toronto, ON
- Contract
Strong Python and machine-learning engineering skills with demonstrated experience taking models from experimentation into reliable production environments. Tech stack: Python, SQL, Power…
Added 3 days ago
ZS
DevOps Architect
Zodiac Solutions, Inc
Toronto, ON
- Full-time
d. Strong grasp of algorithm, distributed systems, and data engineering (Langchain, Spark, Kafka, Delta Lake).
Added 3 days ago
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Sr. Software Engineer - DevEx
VGS
Canada
- Full-time
VGS is building the platform powering agentic commerce and global payments infrastructure. VGS Engineering is the pillar that supports that vision. We create a platform that is an…

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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