Senior Data Scientist, Reinforcement Learning

Chubb; Toronto; On-site; CAD 100,000 - 130,000; Full time

Job summary

An international insurance company is seeking an experienced Reinforcement Learning expert to design, develop, and deploy AI products. The ideal candidate will have a Master's or PhD in Computer Science with at least 5 years of experience in Deep Learning and Reinforcement Learning. Strong expertise in Python and experience with ML frameworks such as PyTorch are essential. This role is key in ensuring the delivery of high-quality AI solutions in a fast-paced environment.

Qualifications

• 5+ years of experience in Deep Learning and Reinforcement Learning.
• Significant expertise writing and reviewing production code in Python.
• Solid understanding of Reinforcement Learning theory.

Responsibilities

• Drive design, development, and deployment of RL focused AI products.
• Research & implement cutting-edge modeling techniques.
• Conduct rigorous feature engineering and model evaluation.

Skills

Deep Learning

Reinforcement Learning

Python

PyTorch

Kubernetes

Docker

Continuous Integration

Communication Skills

Education

Master's or PhD in Computer Science or related field

Tools

ML frameworks and libraries

Job description

Key Objectives

Chubb's Global Analytics Team is seeking an experienced and dynamic Reinforcement Learning expert to join our vibrant and fast‑paced environment, dedicated to pioneering innovative AI solutions. This role is an individual contributor, as the ideal candidate will be integral in developing and overseeing the delivery of high‑quality RL based AI products.

To succeed in this role, you should be a resourceful problem solver with a strong sense of ownership and a commitment to excellence. A true team player, you’ll think holistically and approach challenges with a foundational mindset, seeking opportunities for simplification and improvement. You will prioritize iterative value delivery, adeptly managing and embracing the inherent uncertainties that accompany the fast‑evolving landscape of AI research and application.

Major Responsibilities

• Drive the design, development, and deployment of Reinforcement Learning focused AI products, ensuring alignment with business objectives.
• Research & implement cutting‑edge modeling techniques focused on Deep Learning and Reinforcement Learning.
• Conduct rigorous feature engineering, offline model evaluation, and online A/B testing of model performance.
• Guarantee the delivery of high‑quality code that aligns with business objectives, adheres to quality standards, and complies with secure web development practices.
• Manage project timelines and milestones, ensuring timely delivery of AI initiatives while maintaining quality and performance standards.
• Ensure high quality code that meets business objectives, quality standards and secure web development guidelines.
• Manage project stakeholder expectations and issue communications on progress.
• React to shifting priorities without compromising deadlines and momentum.

Qualifications

Must have

• Master's or PhD in Computer Science, Computer Engineering, or related field.
• At least 5 years of experience in Deep Learning and Reinforcement Learning, with significant expertise in writing and reviewing production code in Python.
• Solid understanding of Reinforcement Learning theory, including (but not limited to) Markov Decision Process, value iteration, policy optimization, and exploration-exploitation tradeoffs.
• Proficient in ML frameworks and libraries (e.g., PyTorch) and knowledgeable about various ML techniques and their large‑scale implementation in production environments.
• Experience developing software using major container technologies (e.g., Kubernetes, Docker) and familiarity with Continuous Integration tools.
• Ability to work independently and work as a team member with excellent communication skills and mentorship abilities.

Nice to have

• Experience in designing data pipelines is a significant advantage.
• Familiarity with end‑to‑end application development using a full stack is a plus.
• Knowledge of property and casualty (P&C) insurance is a valuable asset.

At Chubb we are committed to providing equal employment opportunities to all employees and applicants. It is our policy to provide equal employment opportunities to employees and applicants based on job‑related qualifications and ability to perform a job. If you require accommodation during the hiring process or upon hire, please inform Human Resources. If a selected applicant requests accommodation during the recruitment process, Chubb will consult with the applicant in order to provide suitable accommodation that takes into account the applicant’s accessibility needs.