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Added 8 mins ago
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Senior IT Auditor
Aviso
Toronto, ON
- $83,000 to $100,000 CAD / year
- Full-time
We're looking to fill an opening for Senior IT Internal Auditor to join our Internal Audit team.
Added 8 mins ago
TU
Programmer Analyst II
The University of British Columbia
Vancouver, BC
- $8,810.92 to $13,202.5 CAD / month
- Full-time
Note: Applications will be accepted until 11:59 PM on the Posting End Date.
Added 8 mins ago
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Project Field Coordinator, Mine
Nutrien
Vanscoy, SK
- Full-time
Reporting to the Mine Maintenance Engineering & Capital Projects Senior Supervisor, the Project Field Coordinator is responsible for the coordination and safe execution of field…
Added 8 mins ago
PH
Home Support Worker - Pathway to PSW
ParaMed Home Health Care
Stratford, ON
- Part-time
We may use artificial intelligence (AI) tools to support certain stages of the recruitment process, such as reviewing applications, analyzing resumes, or assessing candidate responses.…
Added 8 mins ago
A
Senior Product Manager, Interoperability
Autodesk
Toronto, ON
- Full-time
Autodesk invites the industry-savvy and forward-thinking to join our Platform Services Product Data team as a Senior Product Manager for Interoperability. Here, you’ll play a key role in…
Added 8 mins ago
A
Senior Product Manager, Interoperability
Autodesk
Toronto, ON
- Full-time
Autodesk invites the industry-savvy and forward-thinking to join our Platform Services Product Data team as a Senior Product Manager for Interoperability. Here, you’ll play a key role in…
Added 8 mins ago
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Portfolio Manager, Civil Training Programs-EN
CAE
Montreal, QC
- Full-time
Partner and communicate effectively with stakeholders at multiple organizational levels, including senior management, technical teams, and end users.
Added 8 mins ago
NF
Regional Sales Director- GTA (Mississauga)
Neo Financial
Mississauga, ON
- Full-time
Facilitate effective communication and collaboration between District Managers and senior sales leadership, ensuring alignment on sales goals, strategies, and initiatives.
Added 8 mins ago
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Business System Analyst - D365
American Iron & Metal (AIM)
Montreal, QC
- Full-time
Ability to effectively work with various types of stakeholders (ex. end users, IT, senior management)
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Director, Employee and Labour Relations
NAIT (Northern Alberta Institute of Technology)
AB · Edmonton, AB
- Full-time
Applications must be submitted by 11:59pm MST on the day before the posting end date shown above, as Workday automatically closes postings at that time.
Added 8 mins ago
GS
Pacific Salmon Foundation - Senior Development Officer, Corporate Partnerships and Major Gifts
Gerard Search
Vancouver, BC
- Full-time
The Senior Development Officer is responsible for leading and executing fundraising strategies to help the Pacific Salmon Foundation achieve its mission and goals. The position will…
Added 8 mins ago
Senior Customer Experience Associate - Saint-Laurent and Prince-Arthur, Mtl, QC - 22.5 hours/week
Scotiabank
Montreal, QC
Our Senior Customer Experience Associates are the face, character and heart of our branches. Scotiabank is a place where we put our customers first, and our priority is to help them achieve…
Added 8 mins ago
PC
Senior Civil Engineer
PRI Consultants
BC · Mississauga, BC
- Full-time
…Alberta, Ontario and Nova Scotia. We are seeking an experienced Senior Civil Engineer to lead civil engineering project delivery for our Ontario practice, based out of our Mississauga or…
Added 23 mins ago
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Lift Operations Supervisor
Sun Peaks Resort
BC · Sun Peaks Mountain, BC
- Full-time
At least one previous season as a Senior Lift Operator at a major destination resort within the last 5 years.
Added 23 mins ago
VA
Curator, Marine Mammals
Vancouver Aquarium
Vancouver, BC
- Full-time
Collaborate with senior leadership to advance the Aquarium’s mission, strategic goals, and animal care initiatives.
Added 23 mins ago
SC
Cook
Sodexo Canada Ltd
Saint John, NB
- Part-time
We welcome and encourage applications from people with disabilities. Accommodation is available on request from candidates taking part in all aspects of the selection process.
Added 23 mins ago
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Regional Sales Director- GTA (Scarborough)
Neo Financial
Toronto, ON · Scarborough, Ontario
- Full-time
Facilitate effective communication and collaboration between District Managers and senior sales leadership, ensuring alignment on sales goals, strategies, and initiatives.
Added 23 mins ago
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Senior Project Manager / Senior Consultant, Stakeholder Management
Turner & Townsend
Toronto, ON
- Full-time
As a Senior Project Manager / Senior Consultant, Stakeholder Management, you will:
Added 23 mins ago
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Senior BIM Modeler – Civil 3D (Utilities, Roads & Surfaces)
Egis Group
Toronto, ON
- $85,000 to $115,000 CAD / year
- Full-time
Senior BIM Modeler – Civil 3D (Utilities, Roads & Surfaces) is a senior-level civil infrastructure modeling position based in Toronto, Ontario, Canada. The role is responsible for…
Added 37 mins ago
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Conseiller expert stratégie d’entreprise et innovation
Beneva
Toronto, ON
- Full-time
As a Senior Advisor, you will play a key role in the organization's strategic thinking. Drawing on your strategic expertise, sound business judgement, and ability to engage diverse…
Added 37 mins ago
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AI Strategist
Cognizant
Toronto, ON
- Full-time
Mentor senior architects, consultants, and technical leaders across the organization.
Added 37 mins ago
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Registered Practical Nurse
SE Health
Peterborough, ON
- Part-time
…our work. As a social enterprise, we support research into Senior’s Health and…
Added 37 mins ago
CO
Wastewater Treatment Plant Operator II
City of Penticton
Penticton, BC
- Full-time
Ability to use a variety of software applications including process control, data acquisition, reporting and record keeping.
Added 37 mins ago
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Développeur Microsoft Dynamics 365 Business C
CGI
Montreal, QC
- Full-time
Profile: Intermediate to Senior Developer with strong technical expertise in Microsoft Dynamics 365 Business Central and AL development.
Added 37 mins ago
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Senior Application Support Specialist / Database Administrator
CGI
Halifax, NS
- Full-time
We are seeking an experienced Senior Application Support Specialist / Database Administrator (DBA) with extensive expertise in enterprise application support, database administration,…

Mastercard

Senior AI Engineer, Big Data & AI Solutions

Vancouver, BC, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Posting language: English
Posted: Oct 27, 2026

Original job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Senior AI Engineer, Big Data & AI SolutionsWho is Mastercard?

Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview
The Security Solutions Data Science team develops AI and machine learning capabilities that help protect the global payments ecosystem from fraud and cyber threats. Supporting Mastercard's Safety Net product, the team creates and enhances models that analyze billions of transactions and identify suspicious activity in real time.

As a Senior AI Engineer, you will work at the intersection of AI engineering and big data engineering, helping improve the models, data assets, and operational processes that power fraud detection. You will collaborate closely with Data Scientists and Engineers to strengthen feature engineering, advance model monitoring capabilities, and deliver AI-driven solutions that improve performance and efficiency. 

Role
As a Senior AI Engineer, you will:
• Support machine learning models that help detect cyber-attacks, fraud and improve decision intelligence.
• Create data pipelines and feature engineering workflows that enable model development and evaluation.
• Process and analyze large-scale datasets to uncover insights and improve model inputs.
• Strengthen monitoring, observability, and drift detection capabilities across production environments.
• Apply automation and MLOps practices to improve reliability, efficiency, and scalability.
• Develop AI-powered solutions that address engineering challenges and streamline operational processes.
-Partner with Data Scientists, Engineers, and Product teams to bring new capabilities into production.
• Contribute ideas that improve model performance, operational visibility, and team productivity.

Required Qualifications
• Master’s degree with relevant experience, or Bachelor’s degree in Computer Science, Artificial Intelligence, Machine Learning, Data Science, Engineering, or a related field; equivalent practical experience will also be considered.
• Proficiency in Python, PySpark, SQL, and distributed data processing.
• Hands-on experience with feature engineering, large-scale data processing, and analytics.
• Hands-on experience with Databricks, Airflow, Hadoop, Linux/Unix, cloud-native technologies
• Understanding of machine learning and deep learning techniques.
• Understanding of model deployment, evaluation, monitoring, and optimization.
• Knowledge of MLOps concepts including testing, automation, CI/CD, and version control.
• Ability to communicate technical concepts and collaborate across teams.

Preferred Qualifications
• Fraud, cybersecurity, payments, or risk management domains.
• Experience with Generative AI, LLMs, RAG, or agentic AI applications.
• Familiar with AI-assisted development tools such as GitHub Copilot, or Claude Code.
• Experience working with cloud-based data and AI environments.Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

Abide by Mastercard’s security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program.

Pay Ranges

Vancouver, Canada: $111,000 - $160,000 CAD

Apply About employer

More about this job

Responsibilities

The Senior AI Engineer will develop and support machine learning models and data pipelines to detect fraud and cyber threats in real-time. They will collaborate with cross-functional teams to implement MLOps practices and enhance model monitoring and performance.

Requirements

Candidates must hold a Bachelor's or Master's degree in a technical field and possess proficiency in Python, PySpark, and SQL. Experience with large-scale data processing, cloud-native technologies, and MLOps concepts is required.

Skills

Python
PySpark
SQL
Distributed data processing
Feature engineering
Databricks
Airflow
Hadoop
Linux/Unix
Cloud-native technologies
Machine learning
Deep learning
Model deployment
MLOps
CI/CD
Version control

Benefits

Discretionary annual incentive program

Visa sponsorship

Not detected in the job text

Keywords

AI Engineering
Big Data
Fraud Detection
Cybersecurity
Machine Learning
Python
PySpark
SQL
Databricks
Airflow
Hadoop
Linux
Unix
Cloud-native
Deep Learning
MLOps
CI/CD
Version Control
Generative AI
LLMs
RAG
Agentic AI
GitHub Copilot
Claude Code
Data Pipelines
Feature Engineering
Model Monitoring
Payments
Risk Management
Automation

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