Find work in Canada.

A simpler way to find your next job.

Jobs in Canada

25+ jobs

Email me new jobs Save this search

Added 4 mins ago
EI
Mechanical Engineer
Ecolab Inc.
Calgary, AB
- Full-time
As a Mechanical Engineer, you will lead the design and development of next-generation Coolant Distribution Units (CDUs) that power AI, high-performance computing, and data center…
Added 4 mins ago
PC
Cloud Infrastructure Engineer, Senior Associate
Pwc Canada
Ottawa, ON · Toronto, ON
- Full-time
Added 17 mins ago
N
Sr.Test Automation Engineer
Nokia
Ottawa, ON · Kanata, ON
- Full-time
We are seeking an experienced Sr. Test Automation Engineer to act as a functional manager in our team and drive quality assurance initiatives. The successful candidate will have a strong…
Added 18 mins ago
MR
Data Engineer
Motion Recruitment
Montreal, QC
- Full-time
Our client, an established, data-driven technology company in Quebec, is hiring a permanent, full-time Data Engineer. You’ll work in Python, SQL, and the cloud, with a strong focus on…
Added 18 mins ago
Software Engineer
Questrade Financial Group
Calgary, AB
We’re looking for our next Software Engineer. Could It Be You?
Added 48 mins ago
AI
Python Developer
Apptoza Inc.
Toronto, ON
- Full-time
Job Title: Forward Deployed Engineer (Python/Pyspark Developer)
Added 48 mins ago
A
Electrical / Hardware Engineer
Actalent
Montreal, QC
- $35 to $45 CAD / hour
- Contract
Added 48 mins ago
RI
Senior Forward Deployed Engineer - Java/ Python | Capital Markets
Rose International
Mississauga, ON
- Full-time
…Developer transitioning into a customer-facing, Forward Deployed Engineer (FDE)-style delivery…
Added 48 mins ago
ES
GEN AI Developer
Epsilon Solutions Ltd.
Mississauga, ON
- Contract
Reverse engineer application codebases (Python, Java, Angular, Mule) to auto-generate:
Added 48 mins ago
RI
Senior Software Development Engineer in Test (SDET)
Rose International
Mississauga, ON
- Full-time
Certified Software Test Architect / ISTQB Advanced Level (Test Automation Engineer / Technical Test Analyst).
Added 48 mins ago
JG
Data AI Engineer
J&M Group
Markham, ON
- Full-time
Added 48 mins ago
JC
Contact Center Operations Engineer
Johnson Controls
Toronto, ON · CAN ON Toronto Sheppard Avenue
- Full-time
Added 48 mins ago
4th Class Stationary Engineer, Data Centre Operations
Bell
Merritt, BC
We are seeking a 4th Class Stationary Engineer to support the safe, reliable, and continuous operation of a mission-critical Data Centre. This hands-on role is responsible for monitoring…
Added 1 hour 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 1 hour ago
Forward Deployed Engineer
Tenstorrent
Toronto, ON
We’re looking for a Forward Deployed Engineer to own the technical outcome of the AI Hardware systems we build with our customers. You will work alongside customer engineering and…
Added 1 hour ago
AI
Computer Vision Engineer
Aptino, Inc.
Canada
- Contract
Added 1 hour ago
G
Reclamation Manager - Central Canada
Glencore
Sudbury, ON · Greater Sudbury, ON
- Full-time
Act as Responsible Tailings Facility Engineer/Person (RTFE / RTFP);
Added 1 hour ago
D
Senior SDET / Quality Engineering Lead/Architect
Droisys
Brampton, ON
- Contract
We are seeking a Senior Software Development Engineer in Test (SDET) / Quality Engineering Architect to join our team. The ideal candidate will have strong experience in architecting…
Added 1 hour ago
MT
DevOps & Security Engineer
Martello Technologies
ON · Kanata, Ontario
- Full-time
As our DevOps & Security Engineer, you’ll own how Vantage DX and MPA are built, deployed, and secured. That means running the CI/CD pipelines, hardening our AWS and Azure environments, and…
Added 1 hour ago
FC
Senior DevSecOps Engineer
Fintel Connect
Vancouver, BC
- Full-time
As a Senior DevSecOps Engineer, you will lead the implementation and continuous improvement of cloud security, infrastructure automation, platform reliability, and DevSecOps practices…
Added 1 hour ago
M
Software Engineer - II
Mastercard
Vancouver, BC
- Full-time
Added 1 hour ago
M
Senior AI Engineer, Big Data & AI Solutions
Mastercard
Vancouver, BC
- Full-time
Senior AI Engineer, Big Data & AI SolutionsWho is Mastercard?
Added 1 hour ago
MT
Machine Learning Engineer
MetaOptima Technology Inc.
Vancouver, BC
- $100,000 to $140,000 CAD / year
- Full-time
As a Machine Learning Engineer, you will join a small, high-impact R&D team and own the full ML lifecycle - from research and rapid prototyping through data pipelines, model training, and…
Added 2 hours ago
K
Software Engineer in Test
Kelly
Mississauga, ON
- Contract
Added 2 hours ago
B
Database Administrator
Bevertec
Toronto, ON · Greater Toronto Area, Canada
- Contract
Microsoft SQL Server or Fabric Data Engineer certifications

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

Report this job