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Salary
≈ $90k – $180k per year (Estimated)
Location
In office (Toronto)
Seniority
Principal
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Aug 2, 2026. Mastercard scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Mastercard is a global payments technology company headquartered in Purchase, New York, operating the card network that connects consumers, merchants, banks and governments and providing data, cybersecurity, loyalty and open banking services. Founded in 1966 as the Interbank Card Association and listed on the New York Stock Exchange since 2006, it processes transactions in more than 200 countries and territories; this record is its UK domain, with major teams in London, Dublin, New York and Toronto. It hires software engineers, data scientists, AI engineering leaders, product managers, information security executives, regulatory counsel and program management interns.

Join Mastercard as a Principal Data Scientist, where you will lead the development and delivery of advanced AI and machine learning solutions for the Ethoca product. This senior technical role involves defining the data science product design, guiding execution across multiple business initiatives, and ensuring solutions are delivered at scale. You will mentor a high-performing data science team, partner with product, engineering, and business leaders, and drive exploration of cutting-edge technologies. A strong track record in translating complex data problems into scalable business outcomes and experience in highly regulated industries is required.

Missions

  • Lead the development and delivery of advanced AI and machine learning solutions for Mastercard’s Ethoca product, enhancing consumer purchase experiences.
  • Design and execute the data science vision and roadmap for product enhancement, aligning technical 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.

Profil recherché

- The successful candidate will combine technical depth with strong cross-functional skills to drive measurable business impact

- Strong track record of translating complex data problems into scalable, measurable business outcomes

- Experience working in highly regulated industries, with an emphasis on data governance and compliance

- Deep expertise in supervised, unsupervised, and generative AI methods, with strong understanding of their mathematical foundations

- Master’s degree required; PhD preferred

- Hands-on background in NLP, information extraction, or computer vision or multi-modal AI applied to real-world business challenges

- Proven experience leading data science teams and delivering enterprise-scale AI/ML solutions

- Skilled at engaging with senior stakeholders, presenting technical results to diverse audiences, and driving alignment across functions

- Proficiency in Python, ML frameworks (Scikit-learn, PyTorch, TensorFlow), SQL, Spark, and Azure ML/Snowflake

- 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

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