Marsh

Oliver Wyman - Senior Lead AI Developer

Marsh
Apply
5 days ago
Toronto, CanadaStaff+

Responsibilities

  • Manage technical projects and help teams design and build extensible, production-quality AI/ML systems and pipelines.
  • Explore data and craft AI solutions addressing core business problems.
  • Work with Partners and Principals to shape proposals using AI and engineering capabilities.
  • Build and deploy LLM-based agent systems in production.
  • Develop familiarity with emerging modeling and data engineering methodologies and advocate 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 to understand business challenges and collaborate with specialists and consultants on solutions.

Requirements

  • Technical background in computer science, data science, machine learning, artificial intelligence, statistics, or another quantitative or computational science.
  • Track record of designing and deploying large-scale technical solutions that deliver ongoing value.
  • Direct experience building and deploying robust, complex production systems implementing modern AI at scale.
  • Ability to make 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, failure detection, and production performance.
  • Proficiency in LLM system design, including prompt engineering, context and token management, structured output, fine-tuning tradeoffs, and cost and latency optimization.
  • Practical awareness of AI risk, bias, and governance in high-stakes or regulated environments.
  • Applied understanding of modeling or analytical techniques and mathematical foundations including statistics, linear algebra, and vector calculus.
  • Experience presenting at high-impact AI/ML developer conferences and connections to the AI/ML developer community are valued.
  • Interest or background in financial services, healthcare and life sciences, consumer, retail, energy, or transportation industries.
  • Open-source contributions or compelling side projects are valued but not required.

Benefits

  • Base salary range of $195K to $285K CAD, plus potential performance-based incentives.
  • Hybrid work with remote flexibility; colleagues are expected to work in their local office or onsite with clients at least three days per week.
  • Office-based teams identify at least one weekly anchor day for in-person collaboration.
  • Roles are available across Oliver Wyman offices, including Toronto and Montreal.
  • Equal employment and reasonable accommodation support are provided.
Marsh

About Marsh

10,000+ employees
Contact me