Senior AI developer

Aon - Toronto, Ontario, Canada

Hiring: Senior AI developer Company: Aon Location: Toronto, Ontario, Canada Job Posted Time: 2026-09-17 00:40:17 Target Skills & Keywords : Agile, Azure DevOps, CAD, Compliance, Confluence, Jira, LLM, MLOps, Python, R, RAG, Systems Design, TestNG About the job Experience: •7+ years of experience in Python software engineering, including 2–3 years of demonstrable experience building LLM / GenAI / agentic systems using modern Python frameworks. Required Skills: •, you will lead the research, design, and prototyping of Qualifications: •Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field (or equivalent practical experience). •Hands‑on experience designing and implementing RAG systems, including document ingestion and preprocessing, chunking and embedding strategies, retrieval and re‑ranking approaches, and prompt construction. •Proven experience building tool‑using agents (e.g., orchestrating external tools/APIs, validation steps, and reasoning chains). •Demonstrated capability in prompt engineering and prompt optimization (e.g., system prompts, few‑shot examples, evaluation and refinement). •Operational familiarity with vector databases, orchestration frameworks, and MLOps / LLMOps tooling. •In-depth knowledge of Agile methodologies and the software development life cycle (SDLC). •Prior experience in actuarial, risk, or financial modeling domains is strongly preferred; alternatively, a proven ability to quickly learn and work with complex financial or quantitative systems is essential. •How We Support Our Colleagues •Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued. •Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace. Compensation: •Competitive benefits and rewards package •The actual salary will vary based on applicant’s education, experience, skills and abilities, as well as internal equity Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!