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Added 1 min ago
Senior Facilities Engineer
Steel Reef Infrastructure Corporation
Calgary, AB
…natural gas and other products, and bringing in net new energy production and distribution for homes, communities and…
Added 30 mins ago
Manufacturing Manager
Pentangle Tech Services | P5 Group
Calgary, AB
Contract
We are seeking an experienced Project Manager to join our Project Management Office (PMO) and lead the planning, execution, and successful delivery of manufacturing and capital projects.
Added 30 mins ago
Développeur backend Sr (Python & AWS)
Astek
Montreal, QC · Greater Montreal Metropolitan Area
Contract
Offre d'emploi : Développeur senior backend AWS
Added 30 mins ago
Chef principal, Surveillance environnementale et microbiologie / Senior Manager, Environmental Monitoring & Microbiology
Jubilant HollisterStier CMO
Kirkland, QC
Full-time
…reconnus à l'échelle nationale pour notre expertise dans la production de flacons stériles pour injection et de produits lyophilisés, et notre division Allergy est un leader mondial dans le…
Added 30 mins ago
Gestionnaire de projet - SAP S/4HANA
CGI
Montreal, QC
Full-time
CGI Montréal is looking an experienced SAP S/4HANA Project Manager to lead an SAP S/4HANA rollout. In this role, you will be accountable for the end-to-end delivery of the project, from…
Added 31 mins ago
Payroll Specialist I
TD
Toronto, ON
Full-time
Customized payroll and year-end tax slip support for the CEO and Senior Executive Team
Added 31 mins ago
Senior Software Development Manager, Verily Intelligence
Verily
Waterloo, ON
Full-time
As a Senior Software Development Manager in Verily Intelligence, you will lead the AI Development organization: the teams that build the infrastructure and tooling for self-service,…
Added 31 mins ago
National Account Manager - Canada (Confident Remodels)
Installation Made Easy
Remote, Canada
Remote
Added 46 mins ago
Evening Crush Supervisor (Canola)
Louis Dreyfus Company
Yorkton, SK
Full-time
This role is the front-line production leader for the evening/night shift at LDC's canola crush plant. The supervisor is responsible for ensuring the plant operates safely, efficiently, and…
Added 1 hour ago
Manager, Maintenance
Aurora Cannabis Inc.
Mount Currie 6, BC
Full-time
The Manager, Maintenance is responsible for managing the facility infrastructure, utilities, equipment, and maintenance program at the Alpine facility in Pemberton, BC. This role is…
Added 1 hour ago
nterim Owner’s Representative (Food Manufacturing Facility Construction)
LHH Knightsbridge
Vaughan, ON
Full-time
…our client’s internal engineering team and the Construction Manager, holding them accountable for for safety, quality, schedule and budget, all while ensuring operational continuity within…
Added 1 hour ago
Jr. Product Engineer
Semtech
Burlington, ON
Full-time
…development activities - from early-stage development through production transfer - working closely with senior engineers and cross-functional teams to build foundational skills and…
Added 1 hour ago
IT - Business Systems Analyst
Cosmetica Laboratories Inc
Toronto, ON · Scarborough, ON
$80,000 to $120,000 CAD / year
Full-time
Reporting to the Senior Manager, Business Systems - IT, the Business Systems & Automation Analyst supports the improvement, reliability, and continuous development of the company's IT…
Added 1 hour ago
Finance & Human Resources Leader
Lock Search Group
Kingsville, ON
Full-time
…leader who will assume full ownership of Finance, join the senior leadership team, and build on a strong existing foundation. With a capable team already managing the day-to-day finance and…
Added 1 hour ago
General Manager - Steel & Construction Industry
Summit Search Group
Hamilton, ON · Greater Hamilton (Burlington) Metropolitan Area
Full-time
The General Manager, Ontario Region, is the engine behind the company’s growth, modernization, and market dominance across Ontario. Reporting directly to the President, this executive…
Added 1 hour ago
Senior Sap Project Manager
Raas Infotek
Montreal, QC
Contract
2. Primary responsibilities will be as Production Planning expert with the following key responsibilities:
Added 2 hours ago
IT - Business Systems Analyst
Westerkirk
Toronto, ON
$80,000 to $120,000 CAD / year
Reporting to the Senior Manager, Business Systems - IT, the Business Systems & Automation Analyst supports the improvement, reliability, and continuous development of the company's IT…
Added 2 hours ago
Systems Completion Manager
Kent
Fort McMurray, AB
Full-time
Kent is looking for a Systems Completions Manager to support the Imperial Oil – Kearl In-Pit Tailings Area 2 (ITA2) Project in Fort McKay, Alberta. This role provides overall leadership,…
Added 2 hours ago
MLOps Engineer – Databricks (1896) $90-100hr
Direct IT Recruiting Inc.
Toronto, ON
$90 to $100 CAD / hour
Contract
…strategies such as blue/green, canary, and shadow, avoiding manual production…
Added 2 hours ago
Electrical Designer
MACLEAN ENGINEERING & MARKETING CO. LIMITED
Sudbury, ON
$91,000 to $105,000 CAD / year
Full-time
MacLean Engineering is looking for talented and energetic Intermediate and Senior Electrical Engineering Designer to add to the existing skills of our Engineering team. This is a great…
Added 2 hours ago
Analyste principal(e), Optimisation d'inventaire et transformation numérique / Senior Analyst, Inventory Optimization & Digitalization Enablement
McKesson
Montreal, QC
Full-time
Added 2 hours ago
Maintenance Senior Manager
The Coca-Cola Company
Peterborough, ON · Canada - ON - Peterborough
Full-time
We are hiring a Senior Manager, Maintenance for our Peterborough, Ontario plant, a key site for juice and dairy manufacturing. In this role, you will lead a maintenance and reliability…
Added 2 hours ago
Gestionnaire de projet sénior / Senior Project Manager
Evolving Web
Remote, Canada
Full-time · Remote
Coordonner différentes expertises, notamment en développement Web, direction artistique, design graphique et production de contenu numérique
Added 2 hours ago
Manager, Cloud Ops
Government of Alberta
AB
…cloud infrastructure, and the golden path from container to production, with identity, logging, audit, and security gates wired…
Added 3 hours ago
Senior Data Scientist
Visa
Toronto, ON
Full-time
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.

Visa

Senior Data Scientist

Toronto, ON, Canada

Job type: Full-time
Apply by: Nov 1, 2026
Posting language: English
Posted: Oct 2, 2026

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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

Design, build, and deploy AI agent systems that combine large language models, traditional machine learning, and rule-based logic to automate analytical workflows and support business decisions. Maintain predictive models and data pipelines, contribute to data infrastructure modernization, and communicate actionable recommendations to cross-functional teams and senior stakeholders.

Requirements

Requires relevant experience based on education level, including experience deploying production machine learning models, working with LLMs or generative AI, and building data pipelines with tools such as Spark, Airflow, SQL, or Python. Candidates should be able to manage projects from scoping through delivery and explain technical work to non-technical audiences; experience with agent frameworks, forecasting, cloud platforms, or financial services is preferred.

Skills

Machine Learning
Large Language Models
Generative AI
AI Agent Development
Multi-Model Orchestration
Predictive Modeling
Time-Series Forecasting
Data Pipelines
ETL
Spark
Airflow
SQL
Python
Cloud Platforms
CI/CD
Stakeholder Communication

Visa sponsorship

Not detected in the job text

Keywords

Artificial Intelligence
Machine Learning
Large Language Models
Generative AI
AI Agents
Agentic Systems
Multi-Model Architecture
LangChain
Claude Agent SDK
OpenAI Agents SDK
Predictive Modeling
Time-Series Forecasting
Data ETL
Data Pipelines
Apache Spark
Apache Airflow
SQL
Python
Cloud Migration
AWS
Google Cloud Platform
Microsoft Azure
CI/CD
Data Quality
Data Infrastructure
Payments Technology
Financial Services
Business Decision-Making

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