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Added 10 mins ago
PH
PATIENT EXPERIENCE MANAGER
PhysioPlus Health Group
Toronto, ON
- $60,000 to $70,000 CAD / year
- Full-time
A collaborative mindset, offering your support, experience, enthusiasm, and creativity to the team
Added 10 mins ago
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Lead Character Artist | Chef.fe d’équipe Artiste Personnage
NBCUniversal
Montreal, QC
- Full-time
Identify opportunities to improve workflows, tools, and pipelines to support production scalability and efficiency.
Added 10 mins ago
GC
Coordinator, Marketing OperationsNew
Glencore Canada
Vancouver, BC
- $80,000 to $100,000 CAD / year
- Full-time
Screen and nominate vessels, communicate shipment requirements and support loading activities with ports, terminals and service providers
Added 10 mins ago
T
Warehouse Manager
Tramontina
Oakville, ON
- Full-time
…timeliness across all shipping and receiving, order picking, production operations. Utilizing SAP as the central enterprise management system, the Warehouse Manager maintains real-time…
Added 10 mins ago
HT
Test Engineering Technologist
Husky Technologies
Bolton, ON
- Full-time
Interact on a regular basis with service, manufacturing, assembly and production test; Support product launch
Added 10 mins ago
HT
Designer, Development (Service)
Husky Technologies
Bolton, ON
- Full-time
…attracted to bold goals, believe in uncompromising honesty, support mutual respect, care about environmental responsibility, have a passion for excellence and a desire to make a positive…
Added 10 mins ago
CO
Precision Ag Specialist (1 year Contract) - Central Ontario FS - Delhi ON
Central Ontario FS
Delhi, ON
- Contract
Develop precision ag prospects and support on-farm sales strategies in partnership with Crop Specialists.
Added 10 mins ago
FC
Développeur .NET
FOP Consultants
Quebec, QC
- Full-time
Prendre en charge les problèmes de production et apporter les corrections nécessaires.
Added 10 mins ago
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Salesforce Data Cloud Developer
Hays
Toronto, ON
- $70 CAD / hour
- Contract
We are seeking an experienced Salesforce Data Cloud Developer to design, implement, and optimize enterprise-scale customer data solutions using Salesforce Data Cloud. The ideal candidate…
Added 10 mins ago
ET
Software Engineer
Envision Technology Solutions
Toronto, ON
- Full-time
Ensure compliance with regulatory requirements and support audit certification efforts, including documenting systems for regulatory and internal audit purposes.
Added 10 mins ago
IC
Java Application Developer
Infotek Consulting Inc.
Toronto, ON
- $80 to $88 CAD / hour
- Contract
Support application enhancements, break/fix activities, and production issues
Added 10 mins ago
TI
Software Developer
TekStaff IT Solutions
Toronto, ON · Greater Toronto Area, Canada
- Contract
…programming consistent with standards; provide code maintenance and support during testing cycles and post-production deployment and participate in reviewing peer…
Added 10 mins ago
QW
Python Developer
Quantum World Technologies Inc.
Mississauga, ON
- Full-time
Experience troubleshooting application issues, investigating bugs, performing root-cause analysis, and providing production support.
Added 10 mins ago
AS
Lead Data Scientist
AgileGrid Solutions
Canada
- Full-time
…sophisticated predictive analytics and machine learning models that support data-driven decision-making across the enterprise. Operating within a regulated environment, the role emphasizes…
Added 10 mins ago
FG
Senior Mobile Developer
Flynn Group of Companies
Mississauga, ON
- $120,000 to $135,000 CAD / year
- Full-time
Flynn Group of Companies, North America’s leading building envelope contractor, is looking for a Senior Mobile Developer to work from our Mississauga location reporting to Manager, Custom…
Added 12 mins ago
Bilingual Senior Specialist, Software Engineering (D365 ERP)
CMHC - SCHL
Ottawa, ON · Toronto, ON · Montreal, QC
At CMHC, we hold ourselves accountable for our results and support our colleagues in their achievements. We thrive on collaboration, connecting across CMHC and involving the right people to…
Added 12 mins ago
UH
Junior Clerk
University Health Network
Toronto, ON
- Part-time
…clinical units and other members of the Nutrition Services team to support safe, efficient and patient-centred meal service delivery. The position may be scheduled at the UHN Reactivation…
Added 12 mins ago
EG
OCS Lead
Egis Group
Toronto, ON
- $150,000 to $190,000 CAD / year
- Full-time
The role provides leadership throughout feasibility, preliminary design, detailed design, construction support, testing, and commissioning phases. Working within multidisciplinary project…
Added 12 mins ago
MI
Industrial Millwright/Mechanic
Magna International
Tecumseh, ON
- Full-time
…technologies. We invest in our employees, providing them with the support and resources they need to succeed. As a member of our global team, you can expect exciting, varied…
Added 12 mins ago
IB
Supply Chain Analyst
Innovative Beauty Group
Mississauga, ON
- $55,000 to $65,000 CAD / year
- Full-time
Review and revise production plans working closely with manufacturing plants to ensure that customer forecasts can be met
Added 26 mins ago
MP
Lead Data Engineer - Temporary Assignment up to 18 months
Municipal Property Assessment Corporation
Pickering, ON
- Temporary
A work environment that has flexible work locations (including hybrid), hours of work and overall employee wellness support
Added 26 mins ago
A
Stagiaire en production - Hiver 2027
ABB
Montreal, QC
- Internship
Participate in the drafting/improvement of assembly instructions for the various production areas in the plant.
Added 26 mins ago
A
Superviseur Méthode support /Manufacturing Engineering Support Supervisor
Airbus
Montreal, QC
- Full-time
Vous avez une expérience en manufacture et en aéronautique, vous avez travaillé dans le domaine de la production ou des méthodes et vous souhaitez évoluer et développer de nouvelles…
Added 26 mins ago
Y
Murex Developer
Yochana
Toronto, ON
- Full-time
Support deployment automation, CI/CD processes, and production issue resolution.
Added 26 mins ago
H
Software Engineer
Hays
Toronto, ON
- Contract
We are seeking a Senior Developer with strong Java and/or Python skills to support Single Sign-On (SSO) implementations using PingFederate for Employee and Customer platforms. The ideal…

Visa

Senior Data Scientist

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 2, 2026

Original job description

About Us
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale - tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.

Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

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 decision-making. Beyond model development, the role involves managing recurring data processes, building predictive and forecasting models, and contributing to data infrastructure modernization.

The position requires collaborating with cross-functional teams, translating model outputs into actionable recommendations, and communicating complex concepts to diverse audiences.

Key Responsibilities:

Agentic Development: Design AI agent systems that automate analytical workflows, including data retrieval, impact analysis, and proactive recommendation generation.
Multi-Model Architecture: Decide how to combine LLMs, traditional ML models, and rule-based logic into reliable, end-to-end agent workflows, and build the orchestration layer that ties them together.
Prototyping to Production: Take agent prototypes from proof-of-concept through iteration to production-grade systems with proper documentation, testing, CI/CD, and deployment ownership.
Predictive Modeling & Forecasting: Build and maintain forecasting models and other predictive tools that feed into agent systems or support business decisions directly.
Data ETL: Monitor and maintain recurring data processes, ensuring pipelines run on time and data quality stays high.
Data Infrastructure: Contribute to modernizing the data stack by migrating pipelines, expanding data coverage, and supporting cloud migration efforts.
Collaboration & Communication: Work with teammates across regions, product, and engineering, translating model and agent outputs into clear recommendations for senior business stakeholders.

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

Basic Qualifications:

5 or more years of relevant work experience with a Bachelor's Degree or at least 2 years of work experience with an Advanced degree (e.g., Masters, MBA, JD, MD) or 0 years of work experience with a PhD.
Experience building and deploying machine learning models to production, focusing on modular, scalable, and maintainable models.
Hands-on experience with LLMs or generative AI, with demonstrated interest or experience in building agentic or multi-model systems.
Comfortable building data pipelines and working with large-scale data using tools like Spark, Airflow, SQL, or Python.
Experience managing data science or ML projects from scoping through delivery.
Able to communicate technical work clearly to non-technical audiences.

Preferred Qualifications:

6 or more years of work experience with a Bachelor's Degree or 4 or more years of relevant experience with an Advanced Degree (e.g., Masters, MBA, JD, MD) or up to 3 years of relevant experience with a PhD.
Experience building AI agents or multi-model orchestration systems using SDKs/frameworks such as LangChain, Claude Agent SDK, OpenAI Agents SDK, or similar.
Experience with predictive modeling and time-series forecasting.
Experience with productionalizing agentic applications.
Hands-on experience with cloud platforms (AWS, GCP, or Azure).
Exposure to financial services or the payments industry is a plus.
Experience working across geographies and time zones in a global organization.

Visa is an EEO Employer

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.

Visa welcome and encourages application from persons with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

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More about this job

Responsibilities

The Senior Data Scientist will design and deploy AI-powered agent systems that integrate LLMs and custom ML models into end-to-end business solutions. The role also involves managing recurring data processes, building predictive models, and contributing to the modernization of data infrastructure.

Requirements

Candidates must have at least 5 years of relevant experience with a Bachelor's degree, or equivalent experience with an advanced degree. Proficiency in building and deploying machine learning models, working with large-scale data, and experience with generative AI or LLMs is required.

Skills

Data Science
Machine Learning
LLMs
Generative AI
AI Agents
Python
SQL
Spark
Airflow
Predictive Modeling
Time-series Forecasting
CI/CD
Cloud Platforms
Data Infrastructure
Data Pipelines
Multi-model Orchestration

Visa sponsorship

Not detected in the job text

Keywords

Data Science
Machine Learning
LLMs
Generative AI
AI Agents
Python
SQL
Spark
Airflow
Predictive Modeling
Time-series Forecasting
CI/CD
Cloud Platforms
AWS
GCP
Azure
LangChain
Data Infrastructure
ETL
Payments Industry
Financial Services
Orchestration
Data Pipelines
Model Deployment
Prototyping
Business Intelligence
Cross-functional Collaboration
Scalable Systems
Data Quality
Cloud Migration

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