Senior AI Product Manager (AI Builder)
About the role
WEX is putting governed, production-grade AI agents to work across Mobility, Payments, and Benefits to turn enterprise data, systems, and deep domain expertise into resolved outcomes at scale. We are seeking a Senior AI Product Manager Builder to join a forward-deployed Builder Pod. Operating shoulder-to-shoulder with an AI Tech Builder and embedded domain experts, you will turn manual, judgment-heavy workflows into governed, agent-assisted experiences. This is not a traditional PM role focused on writing static requirements and passing them over the wall. You are a hands-on builder who moves seamlessly from business workflow mapping to live prototyping, custom evaluations, and production monitoring. You will own the problem, user outcome, business value case, agent behavior, and evaluation strategy, while your Tech Builder partner owns the production engineering architecture and scalability.
Responsibilities
- Build to Learn: Put working concepts directly into users' hands early rather than waiting for perfect requirements.
- Prototype, Not Just Describe: Use AI tools, low-code/no-code platforms, and lightweight code/configurations (Markdown, YAML, JSON) to make product ideas tangible.
- Get Inside the Agent: Inspect prompts, system context, tool calls, traces, outputs, and failure modes instead of treating AI as a black box.
- Write and Run Evals: Define golden datasets, representative edge cases, scoring rubrics, and judge criteria to drive product decisions through evidence.
- Reimagine Workflows: Focus on end-to-end outcomes—determining where AI should reason, retrieve, automate, or route control to a human (and knowing when deterministic software or