Senior Machine Learning Engineer

Senior Machine Learning Engineer, Copilot

We are looking for a Senior ML Engineer to join our AI Copilot organisation. AI Copilot is a multi‑million ARR product that integrates AI directly into the tools used by customer service agents and administrators. You will own the delivery of ML‑powered product features at Zendesk scale, taking capabilities from prototype through to production.

Responsibilities

• Own and deliver ML‑powered product features end‑to‑end — from data pipelines and model integration through serving, monitoring, and iteration in production.
• Work closely with scientists to productionise research outputs into reliable, user‑facing features.
• Build and maintain ML infrastructure: model serving, inference pipelines, LLM integrations, and evaluation frameworks.
• Contribute to technical design discussions and architecture decisions within your team, with growing influence across teams.
• Collaborate w...