Product Manager, Agent Platform

Siena runs customer experience for consumer brands through a connected multi-agent stack. As Product Manager, Core Agent Platform, you'll own the platform those agents run on, from its current capabilities to where it goes next. You'll own how we measure, test and improve agent performance, and how customers see it. You'll work directly with engineering, deployment and customers, and you'll be expected to build as well as specify.

Responsibilities

Own the core agent platform end to end, including the roadmap and day-to-day product decisions; Build and ship the evaluation, testing and monitoring systems that make agent performance measurably better over time; Design and run structured experiments and A/B tests across agent workflows; Give customers clear visibility into how their agents are performing; Prototype own ideas with coding agents and ship them where possible; Work with customers and the deployment team to understand what's working in the field and turn it into product

Requirements

3+ years as a PM in CX, ecommerce, helpdesk or AI automation; Technical fluency: can explain how webhooks, OAuth and integrations work and has made product decisions around them; AI-native builder: uses tools like Claude, Cursor or v0 daily and has prototyped own product ideas with them

Nice to have

Run structured experiments or A/B tests and can say what the data did and didn't tell you; Built dashboards or visibility features people actually relied on; Confident with customers: has sat in on calls, run demos, and knows what end users complain about; Acts like the CEO of their product area with strong opinions and talks to customers without being asked; Engineering background, or has shipped production code themselves

Benefits

Real ownership of problems, with autonomy and trust; Work that ships and matters to real consumer brands; A category the company is creating (Agent of Record); Globally distributed, async-first, low bureaucracy team; Great salary plus equity or stock grants; Learning budget; Premium AI accounts (ChatGPT, Claude, Perplexity Pro, Cursor, Lovable) plus quarterly budget for new tools