Principal Data Scientist

Mastercard
Toronto
Workplace: OnsiteFull timeCAD 154,000 - 247,000Function: Data Science & Machine LearningEducation: mastersSkills: ["Technical leadership","Mentorship","Cross-functional collaboration","Stakeholder communication","Innovation"]

Lead the development and delivery of advanced AI/ML solutions for the Ethoca product, enhancing consumer purchase experiences. Define the data science roadmap, guide execution across initiatives, and mentor a high-performing data science team. Build and scale AI/ML models using generative AI, multi-agent systems, NLP, and computer vision to reduce chargebacks and disputes, while monitoring model performance and ensuring governance, security, and privacy in a regulated environment.

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FursaFursa
Mastercard
Mastercard
1 month ago

Principal Data Scientist

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Source: Company careers pageValidated by: Fursa AI
Status: Live

Job Summary

Lead the development and delivery of advanced AI/ML solutions for the Ethoca product, enhancing consumer purchase experiences. Define the data science roadmap, guide execution across initiatives, and mentor a high-performing data science team. Build and scale AI/ML models using generative AI, multi-agent systems, NLP, and computer vision to reduce chargebacks and disputes, while monitoring model performance and ensuring governance, security, and privacy in a regulated environment.
Location: Toronto
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Manager level

Key Responsibilities

  • •Design and execute the data science vision and roadmap, aligning initiatives to business priorities and product strategy.
  • •Lead, mentor, and inspire a data science team, partnering with product, engineering, and business leaders to shape requirements.
  • •Build and scale AI/ML models to enrich merchant data, improve transaction clarity, and reduce chargeback/dispute rates.
  • •Provide hands-on technical leadership for model development, deployment, and governance across Azure, Snowflake, and Spark environments.
  • •Drive innovation by exploring generative AI/agentic frameworks and incubating prototypes before scaling to production.

Pay and Benefits

Salary: CAD 154,000 - 247,000

Key Requirements

  • •Proven experience leading data science teams and delivering enterprise-scale AI/ML solutions.
  • •Deep expertise in supervised, unsupervised, and generative AI methods with strong mathematical foundations.
  • •Hands-on experience with NLP, information extraction, computer vision, or multi-modal AI applied to real-world business problems.
  • •Track record translating complex data problems into scalable, measurable business outcomes.
  • •Master’s degree required (PhD preferred).
Experience:AI/MLFinTechPaymentsConsumer transaction dataRegulated industries
Education:Master's
Skills:Technical leadershipMentorshipCross-functional collaborationStakeholder communicationInnovation
Tech Stack:PythonScikit-learnPyTorchTensorFlowSQLSparkAzure MLSnowflakeAzureNLPComputer visionGenerative AIMulti-agent systems

Company Brief

Mastercard
Mastercard is a global payments and technology company that processes transactions, provides fraud prevention and data services, and builds payment infrastructure for consumers, businesses, merchants and governments across 200+ countries.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Purchase, New York, United States
Founded: 1966
Glassdoor
Glassdoor: 4.1
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