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Added 13 mins ago
Sr. GTM Automation Specialist
Dayforce
Canada
This role combines sales development expertise with AI, automation, data, and technology to build scalable prospecting systems that help our teams determine who to target, why, when, and…
Added 13 mins ago
M
Sr. Software Developer
McKesson
Mississauga, ON
- Full-time
McKesson is seeking a Sr. Software Developer to design, build, and scale modern software solutions that support healthcare technology innovation. In this role, you will help deliver secure,…
Added 25 mins ago
E
2027 Data Analytics & AltaGas - 2027 Process Automation Co-op Student
EEONLINE
AB · Alberta, Canada
- Volunteer
Currently enrolled in the second or third year of an undergraduate degree program in Data Analytics, Data Science, Computer Science, Software Engineering, Computer Engineering, Business…
Added 25 mins ago
E
AltaGas - 2027 Transportation Intern
EEONLINE
AB · Alberta, Canada
- Volunteer
Supporting database maintenance, reporting, and data quality initiatives.
Added 1 hour ago
ID
Sr. Client Partner
Intellect Design Arena Ltd
Toronto, ON
- $140,000 to $180,000 CAD / year
- Full-time
…markets, risk & compliance, wealth management and AI-driven data…
Added 1 hour ago
C
Sr. Consultant, Full Stack Developer
CIBC
Toronto, ON
- Full-time
You can demonstrate 8+ years of experience in enterprise data engineering and Azure platform delivery, with expert knowledge and experience in Synapse, Databricks, Unity Catalog, and its…
Added 2 hours ago
ET
Software Engineer
Envision Technology Solutions
Toronto, ON
- Full-time
Partner with engineering, product, operations, and compliance teams to translate business needs into clear, actionable technical requirements and specifications.
Added 2 hours ago
Sr Product Analyst - Rogers Sports & Media
Rogers Communications
Toronto, ON
Gather product requirements for the data-driven Advertising and DTC (Direct-to- Consumer) Data Analytics products, consult with the broader Core Data Team, and work with subject matter…
Added 3 hours ago
HP
Sr Manager, Business Analytics
Hill's Pet Nutrition
Toronto, ON
- $143,100 to $166,950 CAD / year
- Full-time
…cross-functional commercial teams (Sales and Marketing) and IT/Data Engineering to align on data architecture, pipeline integration, and quality…
Added 4 hours ago
O
Sr. Engineer Network Administration
OnX
Toronto, ON
- Full-time
6-8 years of experience in Network Administration, Network Engineering, or Infrastructure Support.
Added 4 hours ago
T
Senior Analyst, Advanced Security Response Team (ASRT), Web Application Security
Thales
Vancouver, BC
- Full-time
Location: Vancouver - Burrard St, CanadaThales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to…
Added 9 hours ago
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Sr. Developer - Application Development JAVA N 4B
BrightClaim
AB
- Full-time
Sr. Developer - Application Development JAVA N
Added 9 hours ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
- Full-time
Sr. Developer - Application Development JAVA N
Added 9 hours ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
- Full-time
Sr. Developer - Application Development JAVA N
Added 9 hours ago
K
Senior SR&ED Consultant (Software Engineering)
KPMG
Hamilton, ON · London, ON · Oakville, ON · Ottawa, ON · ON · Kitchener, Ontario · Kanata, Ontario
- Full-time
…SR&ED Tax Incentives group. The specific opportunity is for an engineering or computer science trained/experienced professional working in the Software Development space who is seeking to…
Added 11 hours ago
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine,…
Added 12 hours ago
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Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
- Full-time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine,…
Added 13 hours ago
Q
Sr Staff/Principal DevOps Engineer, Machine Learning Infrastructure and Performance
Qualcomm
Markham, ON
- Full-time
Engineering Group, Engineering Group > Machine Learning Engineering
Added 15 hours ago
BT
Sr. Software Engineer
Beedata Technology
Engineer, BC
- Full-time
Requirements: Master’s degree or the foreign equivalent in Business Administration, Computer Science, Electronics, Engineering, or a related field and 2 years of experience as a Product…
Added 16 hours ago
B
Sr. Tech Lead - Application Development N 4D
BrightClaim
Montreal, QC
- Full-time
Experience in handling PII/Comp/Confidential data.
Added 16 hours ago
B
Sr. Developer - Application Development N 4B
BrightClaim
Montreal, QC
- Full-time
Bachelors - Computer Engineering, Bachelors - Computer Science, Bachelors - Information Technology, Masters - Software Engineering
Added 16 hours ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
- Full-time
Sr. Developer - Application Development JAVA N
Added 18 hours ago
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Geotechnical Engineer
B2Gold - Nunavut
NU · Nunavut, Canada
- Full-time
Monitor and analyze ground behavior using instrumentation (e.g., radar, prisms), overseeing installation, maintenance, and data interpretation to track deformation and stability.
Added 18 hours ago
Sr. Manager, Web Strategy
Asana
Vancouver, BC
…partners in product marketing, organic discovery, paid media, data science, product, engineering, and design to create a site that measurably moves the…
Added 19 hours ago
V
Senior Data Scientist
Visa
Toronto, ON
- Full-time
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…

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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