Siena AI in London, UK is seeking an AI-native Product Manager to own the core agent platform. You will lead the development of systems that drive agent performance, measurement, and customer visibility, bridging deep technical work with customer demos and experiments to shape the future of autonomous customer experience.
You will collaborate with a small, high-leverage team, shipping features to judges like Claude, Cursor, and v0, and interact directly with major consumer brands to move product
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London
Siena AI is the category-defining "Agent of Record" for CX, building a multi-agent stack that automates customer journeys for leading consumer…
London
Siena is the Agent of Record for CX, built for consumer brands like Spanx, FIGS, Brooklinen, and Grüns.
London
How this job comparesCompared with 135 open mid-level product jobs on October 10, 2026.Similar open jobs: We Love AI Jobs lists 135 open mid-level…
London
How this job comparesCompared with 135 open mid-level product jobs on October 10, 2026.Similar open jobs: We Love AI Jobs lists 135 open mid-level…
Remote
In this role you own end-to-end product initiatives in the Acquiring domain, from problem framing to prototyping and production delivery.
London
Siena is hiring a Product Manager to own the core agent platform, shaping what it can do and how it performs.
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