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Senior Data Scientist

Summary

Senior data scientist at a major Canadian bank designing, deploying, and operating ML/AI models to improve client experience, risk management, and efficiency using Python, cloud platforms, and MLOps practices.

A career as a senior data scientist in the
Western Excellence Center AI and Transformation Delivery team at National Bank
means acting as a specialist in advanced analytics, machine learning, and
artificial intelligence solutions. This job allows you to have a positive impact
on our organization thanks to your experience in designing, deploying, and
operationalizing data science solutions that improve client experience,
strengthen risk management, and support operational efficiency.

Your role

  • Frame high-impact analytics and
    artificial intelligence mandates with partners, clarify business needs, and
    translate them into concrete data science solutions.
  • Design, develop, validate, and
    deploy machine learning, statistical, and generative artificial intelligence
    models, including large language model solutions and retrieval-augmented
    generation.
  • Perform exploratory data
    analysis, feature engineering, model experimentation, and communicate findings
    through clear recommendations that support decision-making.
  • Implement model lifecycle
    practices, including model operations, continuous integration and delivery,
    monitoring, issue resolution, performance tracking, and audit-ready
    documentation.
  • Define and promote development
    best practices, standards, reusable patterns, and strong documentation
    practices for models, data lineage, assumptions, and artificial intelligence
    processes.
  • Support delivery activities
    such as planning, testing, troubleshooting, demonstrations, training, and
    knowledge transfer to help teams adopt new methods and tools.

Your team

Within the Western Excellence Center AI and
Transformation Delivery department, you are part of a multidisciplinary team
working closely with artificial intelligence, data governance, infrastructure,
information architecture, security, database and data warehouse administration,
business analysis, quality assurance, and business stakeholder teams. You
report to the management team and operate with autonomy within established
standards. Our team stands out for its focus on innovation, knowledge sharing, and
continuous improvement. We aim to offer you maximum flexibility to promote your
quality of life. This includes a hybrid work environment and a flexible,
adaptable schedule.

The Bank values continuous development and
internal mobility. Our personalized training programs, based on learning
through action, allow you to master your role and develop new areas of
expertise. Tools such as the Data Academy, language training, the Harvard
Learning Center, and coaching and mentoring support are available to you at all
times.

Requirements

  • Hold a degree in computer
    science, engineering, data science, statistics, or another related field,
    combined with 3 to 5 years of experience delivering production analytics or
    machine learning solutions.
  • Have strong programming and
    data skills with tools and languages such as Python, Structured Query Language,
    Rust, JavaScript, C, C++, SAS, or R, as well as experience with relational
    databases.
  • Have experience with data
    wrangling, preprocessing, visualization, extract-transform-load processes, and
    tools such such as SAS Viya or equivalent platforms.
  • Have experience with model
    management, model operations tools, continuous integration and delivery
    pipelines, source control, and modern development environments.
  • Have practical knowledge of
    containers, orchestration, cloud environments such as Amazon Web Services or
    Microsoft Azure, and production deployment practices.

Languages: English

Required skills: Artificial Intelligence, Business Acumen, Communication, Data pipeline, Data Structures, Data Visualization, Data-Driven Decision-Making, Detail-oriented, Diversity & Inclusion, Exploratory Data Analysis, Initiative, Learning Agility, Problem Solving, Statistics, Teamwork

Your benefits

  • 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?

See also