Senior AI Data Scientist

National Bank of Canada

Montréal, CAhybridPosted Jun 15, 2026
Posting intelligenceListed a whileReposted 4×, possible evergreen/ghost posting

Skills

classificationpython

About the role

Attendance: Hybrid

Employment Category: Senior Professional

Type of Contract: Permanent

A career as a Senior AI Data scientist in the Hyper Automation – Cross-sector Solutions, Acceleration and Data team at National Bank means serving as an applied Artificial Intelligence specialist. This position allows you to have a concrete impact on the performance and evolution of an enterprise platform thanks to your expertise in applied data science, model evaluation and continuous improvement. You contribute directly to the quality, reliability and evolution of an intelligent document processing platform used on a large scale. Your role focuses on measurable results, improving models in production and delivering concrete value to business teams.

Your job

Define and develop quality metrics related to classification, extraction, validation and confidence scores

Build and maintain the reference, validation and test data sets needed to evaluate models

Analyze production results and identify the causes of problems in order to propose concrete improvements

Help develop models, prompts, confidence thresholds and validation rules

Compare different versions to detect regressions and support releases

Track performance over time to identify drifts and recommend adjustments

Your team

Cross-sector Solutions, Acceleration and Data, you are part of a multidisciplinary team of specialists in business analysis, development, architecture and operations. It is also a specialised team that works in an agile, proactive and collaborative manner to improve processes and develop automation capabilities across the Bank. You work in a collaborative environment where quality, discipline and continuous improvement are at the heart of our priorities.

The Bank values continuous development and internal mobility. Our personalised training programs, based on on on-the-job learning, help you master your profession and develop new fields of expertise. Tools such as the Data Academy, language training, the Harvard Learning Centre and coaching and mentoring support are available to you at any time.

Prerequisites

A bachelor’s or master’s degree in a related field and 7 to 10 years of relevant experience

Experience in model evaluation, advanced analytics or improving solutions in production

Master the concepts related to performance metrics, validation and monitoring of models

Solid experience with Python and solid knowledge of SQL

Understand artificial intelligence issues in production, including robustness, drift, governance and security

Experience manipulating structured and unstructured data

Your benefits

In addition to competitive compensation, upon hiring you’ll be eligible for a wide range of flexible benefits to help promote your wellbeing and that of your family such as:

Health and wellness program, including many options

Flexible group insurance

Generous pension plan

Employee Share Ownership Plan

Employee and family assistance program

Preferential banking services

Involvement in community initiatives

Telemedicine service

Virtual sleep clinic

We have an offer that keeps up with trends as well as your needs and those of your family.

Our dynamic work environments and cutting-edge collaboration tools foster a positive employee experience. We value employees’ ideas. Whether through our surveys or programs, regular feedback and ongoing communication are encouraged.

Making a bold move in a people-first environment

We’re a bank on a human scale that stands out for its courage, entrepreneurial culture, and passion for people. Our mission is to have a positive impact on people’s lives. Our core values of partnership, agility, and empowerment inspire us, and inclusion is central to our commitments. We aim, wherever possible, to provide a barrier-free and accessible environment to all employees.

We strive to provide accessibility measures throughout the recruitment process within the limits of our available resources. If you require accommodations, feel free to let us know during our initial conversations. We welcome all candidates! What can you bring to our team?

Join us!

Additional required languages: English, French

Skills: Artificial Intelligence, Communication, Data Structures, Data Visualization, Diversity & Inclusion, Performance Analysis, Problem Solving, Python, Teamwork, Data-Driven Decision-Making, Detail-oriented, Initiative, Learning Agility, Resiliency, Data pipel

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