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Lead Data Scientist

Toronto, Canada (Ethoca)💼 Full-time💰 $127,000–$127,000🗓 2026-07-30 → 2026-09-26

Core

Develop, deploy, and monitor end-to-end Machine Learning and Deep Learning solutions to transform business challenges into scientific research problems for Mastercard's Ethoca organization.

Role type

Lead Data Scientist (ML/DL focus)

Builds

Production ML models, prototypes, and proof-of-concepts for product and business use cases

Domain

Fintech / Digital Payments / AI

Deliverable

production ML models

Required skills

End-to-end ML/DL development, Data exploration and cleaning, Scientific communication, Data governance and privacy, Algorithmic reasoning, Tool evaluation

Preferred skills

Patenting technology, Academic publishing, Identifying new data challenges, Generating innovative ideas

Technologies

Python, R, Scikit-learn, TensorFlow, PyTorch, SQL, SAP HANA, Hadoop, Snowflake, Linux, Azure, Azure Machine Learning, Databricks

Responsibilities

Transform business challenges into scientific research problems, Develop data-driven solutions using AI/ML/DL, Build and execute data science projects, Perform hands-on data extraction, analysis, cleaning, preparation, modeling, and evaluation, Deploy and monitor developed solutions, Present results to diverse audiences, Protect algorithms via patenting and publishing, Build prototypes and conduct tool evaluations, Collaborate with internal teams

Seniority

Senior, hands-on IC with strategic output

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