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Added 1 min ago
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Senior R&D Engineer - Medical Device #7920
ECI
Quebec, QC
- Full-time
…Test Methods, Design Review, Design V&V, Usability Testing, Process Validation, and…
Added 16 mins ago
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Associate Customer Success Manager - French
ServiceNow
Montreal, QC
- Full-time
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 31 mins ago
PE
Senior Civil Engineer
PRI Engineering
Mississauga, ON
- 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 46 mins ago
Senior Architectural Contract Construction Administrator (Prince George, BC)
DIALOG
Vancouver, BC
DIALOG is seeking an experienced Senior Architectural Contract Construction Administrator to provide site-based architectural leadership for the University Hospital of Northern British…
Added 1 hour 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 1 hour ago
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Electrical & Instrumentation Engineer
Veolia | North America
Oakville, ON
- Full-time
…budget, and ensuring project risks are mitigated. This is a Senior role within the team, the chosen individual will complete the electrical and/or instrumentation design for a wide range of…
Added 1 hour 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 1 hour ago
PC
Cloud Infrastructure Engineer, Senior Associate
Pwc Canada
Ottawa, ON · Toronto, ON
- Full-time
…decision-making. These individuals handle data governance, quality control, and data integration to support business…
Added 2 hours ago
DC
Strategic Lead – Transportation Planning & Strategy
Dillon Consulting Limited
Guelph, ON · Hamilton, ON · Kingston, ON · Kitchener, ON · London, ON · Oakville, ON · Ottawa, ON · Toronto, ON · Vaughan, ON · Windsor, ON · North York, ON
- Full-time
…Transportation Planning & Strategy team. Designed for a planner or engineer with over 12 years of experience, this role carries a dual role: shape the market strategy to grow our…
Added 2 hours ago
NG
Mine Engineering Co-op
New Gold Inc.
Kamloops, BC
- Volunteer
Position Reports To: Senior Mine Engineer / Lead Engineer
Added 2 hours ago
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Senior AI Engineer, Big Data & AI Solutions
Mastercard
Vancouver, BC
- Full-time
Senior AI Engineer, Big Data & AI SolutionsWho is Mastercard?
Added 3 hours ago
KS
Engineering Manager - Industrial Automation & Power Systems
Kinetic Search Group
Vancouver, BC · Greater Vancouver Metropolitan Area
- $170,000 to $190,000 CAD / year
- Full-time
Its capabilities span low- and medium-voltage power distribution, variable frequency drives (VFDs), motor control centres (MCCs), programmable logic controllers (PLCs), industrial…
Added 3 hours ago
AG
Senior Mill Projects Engineer
Artemis Gold - Blackwater Project
BC
- Other
…project oversight, and day-to-day support to the Mill Projects Engineer.• Review the progress of assigned projects and ensure emerging technical, commercial, schedule, and production risks…
Added 3 hours ago
DC
Senior Electrical Engineer/Designer
Danaher Corporation
Concord, ON · CAN - Concord - AB Sciex LP
- $111,333 to $122,500 CAD / year
- Full-time
The Senior Electrical Engineer/Designer is responsible for leading the end-to-end development of analog and high-voltage power-supply modules and subsystems for SCIEX instruments, from…
Added 3 hours ago
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Software Engineer II
TD
Toronto, ON
- Full-time
As a Software Engineer II, you provide technical expertise to implement scalable, reliable and secure solutions for EDMO Data Catalog services. You contribute to solutions that operate…
Added 4 hours ago
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Senior Design Engineer – Solid Waste Management
AtkinsRéalis
Calgary, AB
- Full-time
Integrate civil, mechanical, electrical, process, environmental, operations, health and safety, and constructability inputs.
Added 5 hours ago
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Solution Architect / Lead EBO Engineer – BAS (SABAS004)
Potenco
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Our Client is seeking an experienced Solution Architect / Lead EBO Engineer to serve as the senior technical authority for a complex Building Automation System modernization and migration…
Added 6 hours ago
MC
Senior Quality Assurance Analyst
Manpower Canada
Penetanguishene, ON
- $75,000 to $85,000 CAD / year
- Full-time
Our client just 40 minutes north of Barrie, ON is seeking a Senior Quality Analyst to join a leading advanced manufacturing organization. This role will be responsible for ensuring product…
Added 6 hours ago
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Section Manager, Software Design Engineering
Kinectrics
Toronto, ON
- Full-time
Reports to: Director, Electrical, Control, Computer Engineering and Human Factors (EIC)
Added 6 hours ago
Environmental Engineer or Scientist
GHD Group Pty Ltd
Edmonton, AB
We are currently seeking an Intermediate Environmental Engineer/Scientist to join our team in our Edmonton, Calgary, or Vancouver office.
Added 6 hours ago
AI
Engineer – Senior Base – No fixed Base (#1027)
Air Inuit
Quebec, QC
- Internship
Hold a valid M1 & M2 Aircraft Maintenance Engineer license, with a minimum 5 years experience. Preference will be given to candidates holding the following endorsements:…
Added 6 hours ago
IO
Senior Instrumentation & Controls Engineer
Imperial Oil
Edmonton, AB
- Full-time
We are seeking an experienced Senior Instrumentation & Controls (I&C) Engineer to join our Engineering team. The successful candidate will bring extensive experience in process control…
Added 7 hours ago
HI
Data Center - Principal Process Engineer
H2O Innovation
Calgary, AB
- $110,000 to $120,000 CAD / year
- Full-time
H 2 O innovation is looking for Senior Process Engineer anywhere in North America! This professionnal will be in charge of the process design throughout the entire lifecycle of projects,…
Added 7 hours ago
HI
Data Center - Principal Process Engineer
H2O Innovation
Quebec, QC
- $110,000 to $120,000 CAD / year
- Full-time
H 2 O innovation is looking for Senior Process Engineer anywhere in North America! This professionnal will be in charge of the process design throughout the entire lifecycle of projects,…
Added 7 hours ago
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Senior Electrical, Instrumentation & Controls Engineer
Veolia | North America
Oakville, ON
- Full-time
Design the complete detailed process control documents (Control Philosophy, Control Logic &

Mastercard

Senior AI Engineer, Big Data & AI Solutions

Vancouver, BC, Canada

Full-time

Apply About employer

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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

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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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