Senior Artificial Intelligence / Machine Learning Engineer

This is a Hybrid role (2 days / week in office)

Role Overview

We are seeking a highly analytical and technically proficient Senior ML / AI Engineer to join our ARC team. This role is ideal for someone with a strong foundation in mathematics, statistics, and programming, and a passion for applying AI to solve complex financial problems. You will work to develop AI / ML / DS features for enterprise-wide AI products to develop models, optimize strategies, and contribute to the evolution of our AI-powered financial systems.

What will you do :

Design and develop Machine Learning models (Supervised, Unsupervised, and Reinforcement Learning), AI (Generative models and Agent Orchestration) models, and Deep Learning models (e.g., Neural Networks and autoencoders).

Run Machine Learning tests and experiments.

Train and retrain systems to prevent drift and optimize results.

Solve complex problems with multi-layered data sets, extend existing ML frameworks (Scikit-Learn, XGBoost, Tensorflow) and AI frameworks (Keras, LangChain).

Leverage and develop advanced analytics models (network based, forecasting, rules-based), implement said algorithms, and build tools to apply them.

Turn structured, semi-structured and unstructured data into useful information

Develop ML / AI algorithms to analyze huge volumes of historical data to derive insights, make decisions, and form predictions.

Run tests, perform statistical analysis, and interpret test results

Establish the main functions of the digital foundations : (Hypergraph) Scenario Engine and Network based Methods : graph-based modeling tool that maps relationships between entities and simulates cascading scenarios

Exposure to Quant Machine Learning tailored to quantitative finance, driving more accurate forecasting, risk modeling, pricing, and portfolio optimization; Chatbots (i.e., Distribution)

Use analysis to provide recommendations and advice for business leaders to maintain to maintain market competitiveness.

Provide guidance (scoring, decisioning) in areas such as Multi-Objective optimization, safe RL and decision support, network propagation algorithms, entity resolution, clustering.

What you need to succeed :

Masters or Ph.D. in Mathematics, Statistics, Computer Science, Data Science, Physics, AI, Machine Learning or a related field.

Leadership experience driving initiatives related to AI / GenAI / ML assets

Experience in model development (ML / Data Science, AI / GenAI) within financial services or technology sectors

Proficiency in Python and SQL, TensorFlow, PyTorch, XGBoost, Scikit-learn

Strong grasp of Artificial Intelligence and Machine Learning frameworks and stacks.

Familiarity with cloud platforms (AWS, Azure, GCP) and CI / CD pipelines is advantageous

Intellectual curiosity and adaptability to emerging AI and quant finance trends.

Strong communication skills to explain complex models to non-technical stakeholders.

Ability to work independently and collaboratively in a fast-paced, multidisciplinary environment.

Attention to detail and a rigorous approach to model validation and testing

Salary :

$122,400.00 - $228,000.00

Pay Type : Salaried

The above represents BMO Financial Groups pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Groups expected target for the first year in this position.

BMO Financial Groups total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit :

About Us

At BMO we are driven by a shared Purpose : Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one for yourself and our customers. Well support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, well help you gain valuable experience, and broaden your skillset.

To find out more visit us at

BMO is proud to be an equal employment opportunity employer. We evaluate applicants without regard to race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or any other legally protected characteristics. We also consider applicants with criminal histories, consistent with applicable federal, state and local law.

BMO is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to BMOCareers.Support@ and let us know the nature of your request and your contact information.

Note to Recruiters : BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.

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