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Added 2 mins ago
SP
Senior Sales Director - Aerospace and Defence
Solace Power
Mount Pearl, NL
- Full-time
Solace Power Inc. is seeking to hire a Senior Sales Director - Aerospace and Defence.
Added 2 mins ago
JF
Executive Director
Jewish Federation of Ottawa
Ottawa, ON
- Full-time
Advanced education beyond the undergraduate level, ideally a master’s degree or credential in nonprofit management; equivalent senior leadership experience will also be considered
Added 2 mins ago
HT
BI Platform Operations Engineer
Hirematic Talent Solutions
Toronto, ON
- $80 to $90 CAD / hour
- Contract
Job Title: Senior BI Platform Operations Engineer
Added 2 mins ago
EG
Sales Manager
EESS Global - Canada
Langley (District), BC · Langley, BC
- Full-time
Previous experience in sales management or senior sales roles, including mentoring or leading sales teams, is preferred.
Added 17 mins ago
CC
Second Cook Part Time
Compass Canada
Winnipeg, MB
- Part-time
Starting wage of $18.31 with advancement opportunities into senior culinary and leadership positions.
Added 17 mins ago
NM
Business Assistant (10-Month Contract)
Newmont Mining Corporation
Vancouver, BC
- $72,700 to $90,900 CAD / year
- Full-time
Provide exceptional administrative support to senior leaders, helping drive efficiency, organization, and a seamless employee and stakeholder experience. Your work will enable leadership…
Added 17 mins ago
PC
External Audit, Senior Associate (Bilingual FR/EN)
Pwc Canada
Montreal, QC
- Full-time
As an External Audit Senior Associate, unlock your potential and embrace the chance to drive meaningful outcomes that’ll elevate your career. Your role will include, but isn’t limited to:
Added 32 mins ago
I
Project Engineer
ISL
Victoria, BC
- Full-time
…Vancouver Island and we are looking for an Intermediate to Senior Civil Engineer to lead the design and delivery of municipal infrastructure and urban transportation projects from our…
Added 32 mins ago
A
Enterprise Account Manager / Gestionnaire de compte client entreprise
AKUR8
Montreal, QC
- Full-time
You have a proven ability to manage complex B2B accounts, build relationships with senior stakeholders, and support renewals or expansion opportunities, ideally in a SaaS or technical…
Added 32 mins ago
SH
Account Executive
Stem Health
Toronto, ON
- Full-time
Build relationships with senior corporate leaders, HR and Total Rewards decision-makers, benefits brokers, consultants, and advisors who can introduce or distribute Stem Health to employer…
Added 32 mins ago
PC
Data & AI Transformation Director
PwC Canada
Toronto, ON
- Full-time
Mentor Managers, Senior Managers, Architects, and Delivery Leaders.
Added 32 mins ago
AS
Lead Analyst, IT Vendor Management - P5
Apex Systems
Toronto, ON
- $100 to $115 USD / hour
- Contract
Reporting to the Senior Director, Enterprise IT Vendor Management Office (VMO) within Technology's Operational Excellence and Governance organization, the Vendor Lead, Enterprise IT VMO…
Added 32 mins ago
TC
Senior Accountant
TESC Contracting
Sudbury, ON · Greater Sudbury, ON
- Full-time
TESC is seeking a Senior Accountant to be responsible for preparing accurate financial statements, budgets, forecasts and analyses that support operational and strategic decision making.…
Added 32 mins ago
AS
Sr Analyst, IT Vendor Management - P4
Apex Systems
Toronto, ON
- $100 to $115 USD / hour
- Contract
Location: Mississauga, Ontario, Canada | Job Grade: P4 – Senior Sourcing Analyst | Employment Type: Contract to hire
Added 32 mins ago
AS
IT Specialist
Apex Systems
Toronto, ON
- $35 to $40 USD / hour
- Internship
…applications. The IT Specialist will work closely with the Senior IT Engineer and IT Manager to resolve escalated issues and contribute to ongoing system…
Added 32 mins ago
T
Senior Azure Platform Engineer
TEEMA
Richmond, BC
- $130,000 to $145,000 CAD / year
- Full-time
On behalf of our client, TEEMA is recruiting for a Senior Azure Platform Engineer. This is a Permanent Opportunity and candidates must be comfortable working a hybrid model in Richmond, BC.
Added 32 mins ago
IG
Mortgage Underwriter – Private & Alternative Mortgages
Indigoblue Group of Companies
Toronto, ON
- Full-time
As Indigoblue continues to grow, this position offers meaningful opportunities for professional development and potential advancement into senior underwriting and leadership roles.
Added 32 mins ago
AS
Senior Chemist
Apex Systems
Mississauga, ON
- $40 to $45 USD / hour
- Contract
Added 32 mins ago
Senior Manager, Logistics
Phantom Screens
Abbotsford, BC
Phantom Screens is looking for a Senior Manager, Logistics to make sure every customer gets the Phantom Experience. You will lead all shipping and outbound logistics, including domestic,…
Added 46 mins ago
A
Information Technology Audit Specialist
ATB
Calgary, AB · Edmonton, AB
- Full-time
Provide independent, objective assurance on the adequacy and effectiveness of systems, processes and controls to senior leadership and ATB’s Board of Directors.
Added 46 mins ago
W
Senior Associate Management Consultant
Worley
Vancouver, BC
- Full-time
Added 46 mins ago
CU
Senior Ecommerce Specialist
CHEIL USA
Mississauga, ON
- $65,000 to $75,000 CAD / year
Cheil Canada is seeking a Senior Specialist to join our E-Commerce team. The e-Commerce Senior Specialist is responsible for operating Samsung.com e-Commerce channel. This includes planning…
Added 46 mins ago
M
Marketing Manager, Member Marketing & Growth
Manulife
Halifax, NS · Toronto, ON · Waterloo, ON · Montreal, QC
- Full-time
…impact. Present results, key insights, and recommendations to senior stakeholders and cross-functional…
Added 1 hour ago
LI
Software Developer
Lotus IT Solutions
Enterprise, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Software Developer to join the Enterprise Financial Services Division on a fully onsite engagement.…
Added 1 hour ago
RH
Corporate Lawyer
Robert Half
AB · Edmonton, AB
- $150,000 to $200,000 CAD / year
- Full-time
…minimum of 5+ years of experience to step into an established senior-level practice. If you are looking for a career growth and a path towards partnership, I encourage you to apply/reach…

Mastercard

Senior AI Engineer, Big Data & AI Solutions

Vancouver, BC, Canada

Full-time

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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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