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Added 3 months ago
AB
Senior Network Engineer - Demonware - Vancouver, BC
Activision Blizzard, Inc.
Vancouver, British Columbia
- Full-time
Strong scripting skills: Unix shell programming and ideally Python
Added 4 months ago
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Firmware Engineer
Nokia
Canada
- Full-time
Added 4 months ago
MT
Application Architect
McCarthy Tétrault LLP
Vancouver, British Columbia
- Full-time
…programming languages such as C#/.NET, JavaScript/TypeScript , Python or Java. Experience with modern development frameworks and tools (e.g., .NET Core, ASP.NET, Angular/React, Node.js) is…
Added 4 months ago
MT
Application Architect
McCarthy Tétrault LLP
Toronto, Ontario
- Full-time
…programming languages such as C#/.NET, JavaScript/TypeScript , Python or Java. Experience with modern development frameworks and tools (e.g., .NET Core, ASP.NET, Angular/React, Node.js) is…
Added 4 months ago
MT
Application Architect
McCarthy Tétrault LLP
Calgary, Alberta
- Full-time
…programming languages such as C#/.NET, JavaScript/TypeScript , Python or Java. Experience with modern development frameworks and tools (e.g., .NET Core, ASP.NET, Angular/React, Node.js) is…
Added 4 months ago
Co-op student - MEA Manufacturing
Ballard Spahr LLP
Burnaby, British Columbia
Experience with Excel Pivot tables along with programming experience in Python, VBA
Added 4 months ago
D
Senior Data Scientist
DAC
Toronto, Ontario
- Full-time
Expert-level proficiency in statistical programming (Python or R) with ability to write production-quality code
Added 4 months ago
CI
Développeur·se d’outils Senior / Senior Tools Programmer
Cloud Imperium Games
Montreal, Quebec
- Full-time
Founded in 2012 by renowned game developer Chris Roberts, Cloud Imperium Games (CIG) is one of the largest global independent studios, 1,000+ employees, dedicated to delivering…
Added 4 months ago
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Senior Software Developer
Pagefreezer
Remote, Canada
- $110,000 to $145,000 CAD / year
- Full-time
- Remote
This is an existing role in our team. We are looking for a strategic and collaborative Senior Software Developer to join our Development & Engineering team to work on our Social Media…
Added 4 months ago
ST
Reliability Engineer
Sapsol Technologies Inc
Remote, Canada
- Contract
- Remote
Technical Evaluation – Assess expertise in DFMEA/PFMEA, fault tree analysis, accelerated life testing, DOE, and use of data tools (Minitab/JMP required; Python/Matlab/R preferred).
Added 4 months ago
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Développeur Full Stack Senior / Senior Full Stack Developer 🇨🇦
Potloc
Montreal, Quebec
- Full-time
Apportez votre expérience Ruby (ou une experience avec un autre framework backend comme Python/Django ou PHP/Laravel) - avec de solides connaissances et une capacité d'apprentissage rapide…
Added 4 months ago
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Sr. Infrastructure Engineer
VGS
Canada
- Full-time
…consistent modern stack (e.g. AWS, Kubernetes, Java, TypeScript, Python) and world-class AI-augmented SDLC tooling. We strip away the friction so you can focus on the problems that demand…
Added 4 months ago
KS
VFX Artist | Artiste en effets visuels - GameSim - Talent Pipeline
Keywords Studios
Remote, Canada
- Full-time
- Remote
Added 4 months ago
S
DevOps Engineer
ShyftLabs
Toronto, Ontario
- Full-time
Proficiency in common DevOps development languages (such as Python, Node – Python preferred)
Added 4 months ago
C
React Full Stack Developer
Citi
Remote, Canada
- Full-time
- Remote
Back-End Development: Solid experience in developing server-side logic and APIs using languages such as Java, Python, or similar.
Added 4 months ago
C
Software Engineer – Cloud & Python
Citi
Remote, Canada
- Full-time
- Remote
…product development teams. This expansion focuses on leveraging Python for analytics, hosting new data platforms, and building robust monitoring and observability capabilities. We are…
Added 4 months ago
C++ Developer
Glint Tech Solutions LLC
Toronto, Ontario
Glint Tech Solutions is hiring a C++ Developer for Toronto, Canada!
Added 1 month ago
V
Specialist, Data Quality Developer
Vale
Toronto, ON
- Full-time
The Specialist, Data Quality Developer is responsible for designing, building, and maintaining enterprise data quality, data catalog, data stewardship, and master data management (MDM)…
Added 1 month ago
V
Specialist, Data Custodian
Vale
Toronto, ON
- Full-time
Added 1 month ago
Bilingual (Spanish) Global Trader Voice Services Specialist
Scotiabank
Toronto, ON
Experience developing automation solutions using Python and/or PowerShell to eliminate manual operational processes.
Added 4 months ago
BI
Full Stack Developer - DevOps & Cloud Systems
BrightOrder Inc.
Remote, Canada
- Full-time
- Remote
We’re looking for a Full Stack Developer with strong DevOps and AWS experience to help build, automate, and scale BrightOrder’s cloud-based platform.
Added 1 month ago
Senior, Economic Advisory (Vancouver)
EY
Vancouver, BC
Experience with computer programs and statistical languages such as STATA, R, Python, and/or MatLab
Added 4 months ago
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Senior Digital Hardware Design Engineer
Nokia
Canada
- Full-time
Added 4 months ago
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Director, Data Science
Mastercard
Toronto, Ontario
- Full-time
Proficiency in Python, ML frameworks (Scikit-learn, PyTorch, TensorFlow), SQL, Spark, and Azure ML/Snowflake.
Added 4 months ago
HT
Researcher – Agentic Interaction Engineering
Huawei Technologies Canada Co., Ltd.
Markham, ON
- Contract
Strong programming skills in high-level languages essential for AI development (e.g., Python, JavaScript/TypeScript, C++).

Mastercard

Director, Data Science

Toronto, ON, Canada

Full-time

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Job details

Job type: Full-time
Education: Master’s degree
Posting language: English
Posted: Jun 1, 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

Director, Data ScienceMastercard is seeking a Director of Data Science to lead the development and delivery of advanced AI and machine learning solutions for Consumer Clarity - Mastercard’s product that enhances consumer purchase experiences.
This is a senior leadership role, responsible for defining the data science strategy, guiding execution across multiple business initiatives, and ensuring solutions are delivered at scale to support chargeback reduction, dispute resolution, and consumer clarity. The successful candidate will combine technical depth with strong leadership and stakeholder management skills to drive measurable business impact.

Responsibilities:
Leadership & Strategy
• Define and execute the data science vision and roadmap for the product enhancement, aligning initiatives with business priorities and product strategy.
• Lead, mentor, and inspire a high-performing data science team, fostering a culture of technical excellence, innovation, and collaboration.
• Partner with product, engineering, and business leaders to shape requirements and deliver data-driven capabilities that improve customer experience and reduce disputes.

Product Impact
• Build and scale AI/ML models that enrich merchant data, enhance transaction clarity, and reduce chargeback/dispute rates.
• Guide the design and implementation of solutions that leverage generative AI, multi-agent systems, NLP, and computer vision to enhance purchase experiences.
• Monitor and continuously improve deployed models to ensure accuracy, reliability, and compliance in a regulated financial environment.
Technical & Operational Excellence
• Provide hands-on technical leadership in model development, deployment, and governance across cloud environments (Azure, Snowflake, Spark).
• Ensure compliance with Mastercard’s data governance, security, and privacy requirements.
• Review and oversee code, models, and engineering components developed by the team to maintain enterprise-grade standards.

Innovation & Thought Leadership
• Drive exploration of cutting-edge technologies, including generative AI and agentic frameworks, to strengthen the product offering and Mastercard technical competence.
• Represent Mastercard’s AI leadership through patents, publications, conference presentations, and academic partnerships.
• Incubate prototypes and proofs-of-concept to evaluate new methods before scaling into production.

All About You:
• Proven experience leading data science teams and delivering enterprise-scale AI/ML solutions.
• Deep expertise in supervised, unsupervised, and generative AI methods, with strong understanding of their mathematical foundations.
• Hands-on background in NLP, information extraction, or computer vision or multi-modal AI applied to real-world business challenges.
• Strong track record of translating complex data problems into scalable, measurable business outcomes.
• Proficiency in Python, ML frameworks (Scikit-learn, PyTorch, TensorFlow), SQL, Spark, and Azure ML/Snowflake.
• Experience working in highly regulated industries, with an emphasis on data governance and compliance.
• Skilled at engaging with senior stakeholders, presenting technical results to diverse audiences, and driving alignment across functions.
• Master’s degree required; PhD preferred.

Nice to Have:
• Experience in payments, FinTech, or consumer transaction data.
• Prior patents or publications in AI/ML.
• Demonstrated success applying GenAI or multi-agent systems in production environments.

#AIMastercard 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. This posting reflects one or more current openings on our team.

Pay Ranges

Toronto, Canada: $154,000 - $247,000 CAD

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More about this job

Responsibilities

Lead the data science strategy and team to develop advanced AI/ML solutions for the Consumer Clarity product. Focus on enhancing purchase experiences, reducing chargebacks, and improving dispute resolution through scalable technical execution.

Requirements

Requires a Master's degree (PhD preferred) and proven experience leading enterprise-scale AI/ML teams. Must possess deep technical expertise in NLP, Generative AI, and cloud environments like Azure and Snowflake.

Skills

AI/ML Leadership
Generative AI
Natural Language Processing
Computer Vision
Python
PyTorch
TensorFlow
Scikit-learn
SQL
Spark
Azure ML
Snowflake
Data Governance
Stakeholder Management
Model Deployment
Multi-agent Systems

Benefits

Discretionary Annual Incentive Program

Visa sponsorship

Not detected in the job text

Keywords

Artificial Intelligence
Machine Learning
Generative AI
NLP
Computer Vision
Python
PyTorch
TensorFlow
Scikit-learn
SQL
Spark
Azure
Snowflake
FinTech
Payments
Data Governance
Multi-agent Systems
Information Extraction
Model Governance
Enterprise AI
Chargeback Reduction
Dispute Resolution
Cloud Computing
Data Science Strategy
Technical Leadership

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