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Added 15 mins ago
Manager, IT Service Management
CANADIAN AIR TRANSPORT SECURITY AUTHORITY
Ottawa, ON
The Manager, IT Service Management, reporting to the General Manager, IT Business Services, is accountable for accountable for executing approved change across CATSA’s IT systems and…
Added 15 mins ago
B
Manager, Credit Risk Model Validation
BMO
Toronto, ON · FCP
- Full-time
Seeking a skilled and experienced professional to join our Model Risk Management Team as a Manager, Model Risk, Credit Risk. As a manager in our second line of defense risk management,…
Added 15 mins ago
B
Manager, Expatriate Tax Services
BDO
Montreal, QC
- Full-time
BDO Canada is looking for a Manager to join the Expatriate Tax Services team in Montreal. The successful candidate will provide tax compliance and advisory services to globally mobile…
Added 15 mins ago
B
Senior Manager, Expatriate Tax Services
BDO
Montreal, QC
- Full-time
BDO Canada is looking for a Senior Manager to join the Expatriate Tax Services team in Montreal, where the successful candidate will own the following responsibilities:
Added 30 mins ago
TB
Direct Support Professional FT
The Bob Rumball Centre
Milton, ON
- Up to $25.55 CAD / hour
- Full-time
Reporting to the Program Manager, and working as part of a multi-disciplinary team, this position is responsible for the day-to-day supervision, monitoring and delivery of service. We…
Added 30 mins ago
TB
Direct Support Professional FT
The Bob Rumball Centre
Milton, ON
- Up to $25.55 CAD / hour
- Full-time
Reporting to the Program Manager, and working as part of a multi-disciplinary team, this position is responsible for the day-to-day supervision, monitoring and delivery of service. We…
Added 30 mins ago
Lead, Technical Services
MongoDB
Toronto, ON
…growing list but currently include products such as Atlas, Cloud Manager, and Compass. Join our team and be at the forefront of innovation and creativity as we scale cloud deployments for…
Added 30 mins ago
Senior Finance and Procurement Analyst
Government of Alberta
AB
The Alberta Public Service (APS) is taking a One Finance approach to the delivery of financial services. Financial services include the delivery of financial planning, reporting and…
Added 30 mins ago
G
Principal AI Solutions Architect, Customer Success
Genesys
AB · Toronto, ON · ON · Quebec, QC
- Full-time
…Architect, you will own the technical architecture and end-to-end delivery of sophisticated customer solutions spanning conversational AI, generative AI, agentic AI, speech technologies,…
Added 30 mins ago
E
Part time cook
Extendicare
Toronto, ON · Assist - Tendercare LTC (McNicoll Ave)
- Part-time
Reporting to the Director of Culinary Services or Dietary Manager, the Cook is responsible
Added 59 mins ago
DO
Program Manager Reporting
Department of Energy and Economic Diversification
Perth South, ON
- Full-time
The Program Manager Reporting is responsible for leading the design, development and continuous improvement of integrated reporting, data analytics and performance intelligence across…
Added 59 mins ago
TE
Account Manager - New Installation (Victoria, BC)
TK Elevator
Victoria, BC
- Full-time
…obtaining the position. Information submitted as part of the job application process will be kept on file for 3 years from the date of submission in accordance with legislative…
Added 59 mins ago
HR
OCS Senior Engineer
Hitachi Rail
Mississauga, ON
- Full-time
Guarantee that the delivery of every system is achieved in compliance with engineering guidelines, quality standards, timing and cost constraints
Added 1 hour ago
UO
Social Worker
University of Alberta
Edmonton, AB
- Full-time
Reporting directly to the Manager of the Social Work Team, the Social Worker role centers on delivering holistic, individualized, student-centered support aimed at helping students navigate…
Added 1 hour ago
TB
Direct Support Professional PT
The Bob Rumball Centre
Milton, ON
- Up to $22.76 CAD / hour
- Part-time
Reporting to the Program Manager, and working as part of a multi-disciplinary team, this position is responsible for the day-to-day supervision, monitoring and delivery of service. We…
Added 1 hour ago
TB
Direct Support Professional PT
The Bob Rumball Centre
Milton, ON
- Up to $22.76 CAD / hour
- Part-time
Reporting to the Program Manager, and working as part of a multi-disciplinary team, this position is responsible for the day-to-day supervision, monitoring and delivery of service. We…
Added 1 hour ago
OH
Project Manager, Enterprise Project Management Office
Ontario Health
Toronto, ON
- Full-time
…strategic priorities into measurable results. Reporting to the Manager, EPMO, you will lead one or more workstreams within a large enterprise initiative or independently manage complex…
Added 1 hour ago
EH
Business Development Account Manager (AM) FT
Edgewood Health Network Inc
Toronto, ON
- $80,000 to $95,000 CAD / year
- Full-time
The Business Development Account Manager (AM) is responsible for managing, retaining and growing a portfolio of corporate clients while building strong, trusted and long-term partnerships.…
Added 1 hour ago
SL
People Services Specialist
Sun Life
Toronto, ON · Waterloo, ON · Montreal, QC · Sun Life Waterloo King
- Full-time
Identify recurring issues and areas for process improvement within the HR Contact Centre. Share suggestions and participate in initiatives aimed at enhancing service delivery
Added 1 hour ago
CH
Pharmacy Operations & Product Advisor - 14 Months Mat Leave Contract-Express Scripts Canada
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Mississauga, ON
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…solutions that improve operational effectiveness and service…
Added 1 hour ago
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Senior Data & IT Business Office Advisor
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Calgary, AB
- Full-time
…D&IT initiatives and G&A costs. Reporting to the Acting Senior Manager - D&IT Business Office and Process Governance, the role is an individual contributor position that leads through…
Added 1 hour ago
EC
Business Development Account Manager (AM) FT
EHN Canada
Toronto, ON
- $80,000 to $95,000 CAD / year
- Full-time
The Business Development Account Manager (AM) is responsible for managing, retaining and growing a portfolio of corporate clients while building strong, trusted and long-term partnerships.…
Added 1 hour ago
VC
Business Analyst
Valsoft Corporation
Remote, Canada
- $80,000 to $90,000 CAD / year
- Remote
Prowess – TTG’s established .NET Framework direct selling application.
Added 1 hour ago
CF
Team Lead, Education
Clean Foundation
Dartmouth, NS
- Contract
…programming across the province. Working closely with the Program Manager, you'll help translate priorities into action, coordinate delivery activities, support staff development, and…
Added 1 hour ago
UH
Registered Nurse - Family Health Team
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Toronto, ON
- Contract
Work collaboratively with other TWH UHN FHT staff and community organizations to improve client care, service delivery, and coordination

Visa

Senior Data Scientist

Toronto, ON, Canada

Full-time

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Applications open in a new tab.

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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