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Added 17 mins ago
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Applications Engineering Specialist
Siemens EDA (Siemens Digital Industries Software)
Saskatoon, SK
- Full-time
…first or second level management as well. The Applications Engineer must align closely with the account team to help them meet and exceed quotas as they proactively manage customer accounts…
Added 17 mins ago
HT
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM offers a wealth of opportunity for personal growth and development. Most importantly, Husky Technologies TM offers an opportunity to work with – and be challenged by –…
Added 17 mins ago
HT
PD Software for Service
Husky Technologies
Bolton, ON
- Full-time
The Service team is a unique team in Development engineering responsible for enhancing the reliability and performance of Husky’s products by resolving systemic service issues. The team is…
Added 17 mins ago
HT
Applications Engineer
Husky Technologies
Bolton, ON
- Full-time
Lead end-to-end innovation and engineering initiatives, from concept ideation and prototyping through proof-of-concept validation, product development, and commercialization.
Added 17 mins ago
HT
PD Service - Mechanical
Husky Technologies
Bolton, ON
- Full-time
The Service team is a unique team in Development engineering responsible for enhancing the reliability and performance of Husky’s products by resolving systemic service issues. The team is…
Added 17 mins ago
HT
Product Development Engineer
Husky Technologies
Bolton, ON
- Full-time
Our Development Engineering team is looking to hire an experienced Product Development Engineer. The successful candidate will lead the technical development of packaging products working…
Added 1 hour ago
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Intermediate Electrical Designer/Engineer
SCIEX
Vaughan, ON
- $90,000 to $103,000 CAD / year
- Full-time
The Intermediate Electrical Designer/Engineer is responsible for designing electrical hardware based on input requirements and support implementation and system integration activities while…
Added 1 hour ago
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Engineering Manager
EvenUp
Toronto, ON
- $150,000 to $211,000 CAD / year
- Full-time
…better outcomes. With over $1.5B in damages claimed to date, the Product and Engineering team is developing an industry-leading, AI-native platform for generating legal documents in…
Added 1 hour ago
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Engineer - Payments Platform
Xero
Remote, Canada
- Full-time
- Remote
You will help build the platforms and product capabilities that support money movement through Xero, from collecting invoice payments and paying bills to supporting payroll and future…
Added 1 hour ago
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Legal Engineer - In-House
Legora
Toronto, ON
- Full-time
…commercial lawyers, and compliance functions that directly inform product development, roadmap priorities, and strategic…
Added 1 hour ago
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Legal Engineer
Legora
Toronto, ON
- Full-time
Be the voice of the user inside Legora - sharing insights that directly inform product development, roadmap priorities, and strategic direction.
Added 2 hours ago
R
Solutions Engineer
Raydar
Toronto, ON
- $180,000 to $260,000 CAD / year
- Full-time
Three to six years in full-stack, customer-facing software or product engineering, or forward deployed engineering. A target of four to six years, with startup experience.
Added 2 hours ago
EV
Project Engineer
Edwards Vacuum
Bolton, ON
- Full-time
Bring your curiosity to work as our next Project Engineer, reporting to the Project Lead. Your mission is to take ownership and responsibility of custom engineered orders within the Process…
Added 3 hours ago
C
Principal Engineer - Android
COSMO
Remote, Canada
- $120,000 to $140,000 CAD / year
- Full-time
- Remote
Role Summary: We are looking for a Principal Engineer to set the technical direction for our Android platform and raise the engineering bar across the organization. As the most senior…
Added 3 hours ago
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Software Engineer, Back-End - Mail (Canada)
Superhuman
Remote, Canada
- $150,000 to $192,000 USD / year
- Full-time
- Remote
…join the Mail team at a pivotal moment: as "AI Home" in our product and new integrations raise the bar, we’re modernizing our calendar backend, including calendar syncing, notification…
Added 3 hours ago
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Senior Software Development Engineer in Test (Kubernetes)
Akamai
Canada
- $102,500 to $184,500 CAD / year
As a Senior Software Development Engineer in Test, you will be responsible for:
Added 4 hours ago
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Customer Experience Engineer / M365
Microsoft
Toronto, ON
- Full-time
…to identify recurring issues and feature requests to drive product improvements. You will work with M365 Product Management & software engineering teams to provide direct and specific…
Added 4 hours ago
TT
Project Engineer (Laval)
Trane Technologies
Longueuil, QC
- Full-time
Trane in Laval is hiring for a Controls Project Engineer to join our team. In this role, you will be responsible for hardware and software design activities for building automation systems.…
Added 4 hours ago
TT
Project Engineer (Laval)
Trane Technologies
Laval, QC
- Full-time
Trane in Laval is hiring for a Controls Project Engineer to join our team. In this role, you will be responsible for hardware and software design activities for building automation systems.…
Added 4 hours ago
PM
Lead Software Engineer – Application Security & Architecture
Prospect Markets
Vancouver, BC
- Full-time
…but you'll also set architectural direction, review and shape development plans, and mentor the engineers who execute them. You'll work closely with the CTO, senior developers, and product…
Added 4 hours ago
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Software Developer
Cisco
Ottawa, ON · Kanata, Ontario
- Full-time
We are seeking a highly skilled Software Engineer to deliver features needed for integration between Cisco Cloud Control and Cisco Catalyst Center. In this role, you will architect and lead…
Added 5 hours ago
LD
Electrical Engineering Manager
Leonardo DRS
Bedford, NS
- Full-time
…objectives. Typical projects/tasks include the management of design, development, modification, and analysis as well as reviews of power electronic systems, analog and digital electronics,…
Added 5 hours ago
Backend Engineer, Data
Stripe
Canada
…complete data. You'll work with a variety of internal teams across Product, Data Science, and GTM to help them solve their data needs. Your work will provide visibility into how these…
Added 5 hours ago
S
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 6 hours ago
VM
Sr Full Stack Engineer
Vivid Machines
Toronto, ON
- Full-time
…collaborating with our multidisciplinary team to create an amazing product and solve one of the world’s most important…

Mastercard

Senior AI Engineer, Big Data & AI Solutions

Vancouver, BC, Canada

Full-time

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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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