Senior Python Developer for PathWise & AI Tools

Aon Corporation; Toronto; On-site; CAD 96,000 - 125,000; Full time

Benefits offered by this job

Incentive earning opportunity

Comprehensive benefits package

Job summary

Aon Corporation in Toronto is seeking a Python Developer to design, develop, and maintain Python tools for PathWise actuarial and financial modelling within the Strategy and Technology Group (STG).

You will build automation, contribute to the PathWise Python modelling layer, and develop Azure DevOps pipelines to improve efficiency and reliability in a collaborative, Agile environment.

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field.
• 4+ years of experience developing software using Python.
• Experience building maintainable, production‑quality Python applications.
• Strong proficiency in Python; NumPy, Pandas, SciPy assets.
• Experience with unit testing, CI/CD, code reviews.
• Hands‑on with DevOps processes, e.g., Azure DevOps.
• Experience in Agile environments and SDLC.
• Familiarity with Azure DevOps, Jira, Confluence, Git.
• Strong analytical and problem‑solving skills across teams.
• Experience in actuarial/financial services or quantitative modelling is a plus.

Responsibilities

• Design, develop, and maintain Python tools, libraries, and frameworks that support PathWise actuarial and financial modelling, including standard templates and reusable components.
• Build and enhance automation solutions for model implementation and DevOps processes, simplifying workflows for modelling actuaries and other non‑developer users.
• Contribute to the development of the PathWise Python modelling layer, including standard classes and templates used to orchestrate models, control data flows, and perform ETL‑style processing.
• Develop and maintain Azure DevOps pipelines, utilities, and engineering tools that improve efficiency, reliability, and scalability of PathWise‑related solutions.
• Apply and promotes software quality practices, including maintainable design, unit testing, code reviews, and use of CI/CD pipelines.
• Partner with actuarial, technology, and business teams to understand requirements, solve complex challenges, and deliver practical, well‑engineered solutions.
• Contribute throughout the full software development lifecycle in an Agile environment.

Skills

Python development

Agile methodologies

DevOps collaboration

Analytical skills

Education

Bachelor’s degree in Computer Science/Computer Engineering

Tools

Azure DevOps

Jira

Confluence

Git

NumPy

Pandas

SciPy

Job description

Aon Corporation in Toronto is seeking a Python Developer to design, develop, and maintain Python tools for PathWise actuarial and financial modelling within the Strategy and Technology Group (STG).

You will build automation, contribute to the PathWise Python modelling layer, and develop Azure DevOps pipelines to improve efficiency and reliability in a collaborative, Agile environment.