Oliver Wyman - Senior Lead AI Developer
Marsh & McLennan Companies2 months ago
Toronto, Canada or Montréal, CanadaStaff+
Responsibilities
- Explore data and craft AI solutions addressing core business problems.
- Collaborate with Partners and Principals to shape proposals using AI and engineering capabilities.
- Build and deploy LLM-based agent systems in production.
- Stay current with AI modeling and data engineering methodologies.
- Advocate for best practices in modeling, code hygiene, and data engineering.
- Lead development of proprietary AI/ML solutions, algorithms, analytical tools, and infrastructure.
- Engage directly with clients and collaborate with consultants and other technical specialists.
Requirements
- Technical background in computer science, data science, machine learning, artificial intelligence, statistics, or another quantitative and computational science field.
- A compelling track record designing and deploying large-scale technical solutions with tangible, ongoing value.
- Direct experience building and deploying robust, complex production systems implementing modern AI at scale.
- Ability to make and act on consequential design decisions rapidly in large, time-boxed projects.
- Fluency in modern programming languages for AI and agents across the end-to-end AI development lifecycle.
- Knowledge of one or more agentic platforms, including Azure Foundry, AWS Bedrock, or Gemini Enterprise Agent Platform.
- Deep familiarity with compound AI systems, including retrieval-augmented generation, tool use, agentic memory, and multi-agent orchestration.
- Experience designing and operating evaluation frameworks and observability tooling for AI system quality and production performance.
- Proficiency in LLM system design, prompt engineering, context and token management, structured output, fine-tuning tradeoffs, and cost and latency optimization.
- Practical awareness of AI risk, bias, governance, and failure-mode mitigation in high-stakes or regulated environments.
- Solid theoretical grounding in AI/ML mathematics and applied understanding of modeling or analytical techniques.
- Fluency in statistics, linear algebra, and vector calculus.
- Experience presenting at high-impact AI/ML developer conferences and connections to the AI/ML developer community is highly valued.
- Open-source contributions or compelling side projects are valued but not required.
- Interest or background in financial services, healthcare and life sciences, consumer, retail, energy, or transportation industries.
Benefits
- Base salary range of $195K to $285K CAD, plus possible performance-based incentives.
- Hybrid work with remote flexibility and at least three days per week in a local office or onsite with clients.
- Flexible and inclusive work environment with reasonable accommodation available.
Categories
About Marsh & McLennan Companies
Marsh McLennan is a global professional services firm providing risk, insurance and reinsurance brokerage, health, wealth, and management consulting to corporations, governments, and nonprofits. It operates through Marsh, Guy Carpenter, Mercer, and Oliver Wyman, earning fees and commissions for advisory, analytics, and placement services. Founded in 1905 and headquartered in New York, it is publicly traded on the NYSE under the ticker MMC.