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Added 21 days ago
HC
Sales Planning & Retention Associate
Hyundai Capital America
Toronto, ON
- Full-time
Advanced proficiency in MS Excel, PowerPoint, SQL.
Added 21 days ago
HC
Sales Planning & Retention Associate
Hyundai Capital Canada
Toronto, ON
- $52,000 to $78,000 CAD / year
- Full-time
Advanced proficiency in MS Excel, PowerPoint, SQL.
Added 21 days ago
NC
Associate, Financial Planning & Analysis, Corporate Finance
Northleaf Capital Partners
Toronto, ON
- Full-time
Hands-on experience manipulating, analyzing, and visualizing large datasets using SQL and/or Python (or R), Tableau / Power BI, considered an asset
Added 21 days ago
MR
IT Reporting Specialist
MHI RJ Aviation Group
Mississauga, ON
- Full-time
Unlike traditional BI developer roles focused on project-based delivery, IT Reporting Specialist role combines strategy as well as hands-on report development with ongoing operational…
Added 21 days ago
P
Solutions Developer
Procom
Toronto, ON
- Contract
On behalf of our Banking client, Procom is searching for a Solutions Developer for a 6-month role. This position is a hybrid position with 4 days onsite at our client’s Toronto office.
Added 21 days ago
Security Consultant Intern, BS/MS, Summer 2027
Google
Toronto, ON
Experience with programming or scripting in one or more languages (e.g., Python, C/C++, Go, Bash, or SQL).
Added 26 days ago
CF
Sr Data Integration Engineer
Compeer Financial
Compeer, SK
- Full-time
…pipelines, Dataflows Gen2, notebooks, Lakehouses, Warehouses, and SQL Server Integration Services (SSIS) where…
Added 1 month ago
C
Business Analyst - Risk IT (contract)
Capgemini
Toronto, ON
- Contract
Experience with SQL and data platforms, including Hive, MS SQL Server, Teradata, HUE, and Dremio.
Added 28 days ago
PH
Systems Analyst, Clinical Solutions, IMITS
Provincial Health Services Authority
Vancouver, BC
- Full-time
…standards and using tools such as Visual Studio, Powerhouse, Oracle Developer, PowerBuilder, and Crystal Reports and other query tools as well as MS office applications (Word, Excel, Visio,…
Added 27 days ago
NM
Risk Analyst Intern – January 2027 – 8 Months – 5290 Orbitor Dr, Mississauga, ON, L4W 4Z5
Nissan Motor Corporation
Mississauga, ON
- Full-time
Experience with Tableau/SQL is considered an asset
Added 27 days ago
RB
Manager, Product Control
Royal Bank of Canada
Toronto, ON
- Full-time
Added 27 days ago
R
Manager, Product Control
RBC
Toronto, ON
- Full-time
Added 1 month ago
R&
IT - Solutions Developer III
Robertson & Company Ltd.
Toronto, ON
- Contract
Robertson is seeking a skilled IT - Solutions Developer III to join our client in support of an existing vacancy.
Added 1 month ago
S
Technical Engineer, Healthcare IT & PACS/Spécialiste technique, TI en santé et PACS
Sectra
Vancouver, BC
- Full-time
Perform independent installation and configuration of Windows-based servers, MS SQL Server instances, enterprise applications, and Active Directory integrations within Sectra’s imaging…
Added 27 days ago
W
Early Careers: Affinity Internship – Winter, Summer or Fall 2027 – 4-8 month Co-op - Toronto or Montreal
WTW
Toronto, ON
- $30 to $35 CAD / hour
- Full-time
Experience with manipulating and summarizing large data sets using R, Python, SQL or similar programming tools.
Added 27 days ago
AG
IT Manager
Apex Group Ltd
Winnipeg, MB
- Full-time
· Working knowledge of C#, VB.NET, MS SQL, VB.NET, ASP.NET, and JavaScript.
Added 27 days ago
MC
AML/ATF Quality Control Specialist
Meridian Credit Union
Toronto, ON
- $68,800 to $100,000 CAD / year
- Full-time
Proficiency with SQL or other database management and reporting software is an asset.
Added 27 days ago
T
Credit Risk Specialist (ATH 4996)
TD
Toronto, ON
- Full-time
Proficiency in SQL, SAS, Python, and ETL processing
Added 1 month ago
E
Sr Applied Scientist, Recommendations
eBay
Toronto, ON
- Full-time
Experience in big data processing and analysis, e.g. Hadoop, SQL, Spark, Pyspark is required
Added 1 month ago
AA
Sr. Business Systems & Database Analyst
ALMAG Aluminum
Brampton, ON
- Full-time
Strong work experience writing/editing complex Crystal Reports and SQL queries
Added 1 month ago
DS
Research Assistant
DHL Supply Chain
Mississauga, ON
- Full-time
Added 1 month ago
R
Senior Full Stack Engineer
RBC
Toronto, ON
- Full-time
Architect and optimize MS SQL database solutions for performance and scalability.
Added 1 month ago
RB
Senior Full Stack Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
Architect and optimize MS SQL database solutions for performance and scalability.
Added 1 month ago
CD
Project Coordinator, Sales & Marketing (GTA)
Caivan Development Corporation
Oakville, ON
- Up to $75,000 CAD / year
Knowledge of SQL and Power BI considered an asset
Added 1 month ago
CS
Senior Technical Architect, Application Development & Support
Canadian Standards Association
Toronto, ON
- Full-time
Acts as lead developer and technical design authority for applications in scope, setting coding standards, design patterns, branching strategy, and definition of done for internal and…

eBay

Sr Applied Scientist, Recommendations

Toronto, ON, Canada

C$142,400 - C$190,100 · Full-time

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Job details

Pay: C$142,400 - C$190,100
Job type: Full-time
Experience: MS in Computer Science or related area with 3 years of relevant work experience (or BS/BA with 5 years) in ML / AI / Data Engineering
Posting language: English
Posted: Aug 28, 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.

About the team and the role:

Our Recommendations team works on delivering item recommendations at scale and in near real time to our buyers on our website and native app platforms. Recommendations are a core part of how our buyers navigate eBay’s vast and varied inventory. Our team develops state-of-the-art recommendations systems, including deep learning based retrieval systems for personalized recommendations, machine learning ranking models, as well as advanced MLOps in a high volume traffic industrial e-commerce setting.

We are exploring a new generation of recommender systems powered by Large Language Models and other emerging paradigms in AI. We are looking for an Applied Scientist and innovator who can drive state of the art ML modeling and get systems into production at eBay scale.

What you will accomplish:

Build data pipelines needed to support user input, recall and ranking, model training and inference, working with architects and other engineering peers.
Track the fast paced world of AI and apply innovative techniques to unique and large data sets of unstructured multimodal data representing eBay's vast and varied inventory, and millions of users.
Develop and deploy innovative models in the context of recommender systems.
Deploy big data technology and large scale data pipelines to create magical AI applications and user experiences.
Have a real impact on how shoppers interact with one of the world's largest e-commerce marketplaces to find what they love every day.
Drive marketplace GMB as well as advertising revenue via organic and sponsored recommendations.

What you will bring:

MS in Computer Science or related area with 3 years of relevant work experience (or BS/BA with 5 years) in ML / AI / Data Engineering
Experience in production engineering practices and software development in an OO language (Scala, Java, etc.)
Experience in AI applied research, preferably in Natural Language Processing (NLP), deep learning, and industrial recommender systems
Experience in big data processing and analysis, e.g. Hadoop, SQL, Spark, Pyspark is required
Experience with using cloud services, big data pipelines and databases

Additional Details

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

C$142,400 - C$190,100

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

Develop and deploy state-of-the-art machine learning models and recommender systems to enhance user experience on eBay's platforms. Build and maintain scalable data pipelines to support model training, inference, and real-time recommendations.

Requirements

Requires an MS in Computer Science with 3 years of experience or a BS with 5 years in ML, AI, or Data Engineering. Candidates must have proficiency in OO languages like Scala or Java and experience with big data technologies.

Skills

Machine learning
Deep learning
Recommender systems
Natural language processing
Scala
Java
Hadoop
SQL
Spark
Pyspark
Data engineering
MLOps
Large language models
Big data processing
Cloud services

Benefits

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

Visa sponsorship

Not detected in the job text

Keywords

Applied Scientist
Machine Learning
Deep Learning
Recommender Systems
NLP
MLOps
Large Language Models
Big Data
Hadoop
Spark
Pyspark
SQL
Scala
Java
Data Pipelines
Cloud Services
E-commerce
Multimodal Data
Retrieval Systems
Ranking Models
Software Development
Artificial Intelligence

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