Machine Learning Engineer

# AI/ML Engineer, Companion Palo Alto / RemoteCAN Companion is an always-on care presence for patients between clinical visits. As an AI/ML Engineer on the Companion team you will build and improve the models, retrieval systems, and inference pipelines that make Companion feel genuinely helpful — not just responsive. Your work will directly affect how patients experience their care journey at home.Apply nowSee all rolesThe role## What you'll do.### Responsibilities* Design and train models for care-intent classification, symptom triage routing, and personalised health nudges.* Build and maintain retrieval-augmented generation pipelines grounded in patient records and clinical guidelines.* Collaborate with clinical advisors to evaluate model outputs for safety, accuracy, and appropriate scope.* Instrument model performance in production and own the feedback loop from patient interactions to model improvement.* Develop evaluation frameworks that measure clinical appropriateness alongside standard ML metrics.### What we're looking for* 3+ years of applied ML engineering experience, including at least one production LLM or NLP system.* Proficiency in Python and one or more ML frameworks (PyTorch, JAX, or equivalent).* Experience with embedding models, vector search, and RAG architectures.* Comfort working in regulated, safety-critical domains where model errors have real consequences.* Strong collaboration instincts — you seek clinical input before shipping, not after.Details## Role details.TeamEngineeringLocationPalo Alto / View email address on click.appcast.io by writing to us at View email address on click.appcast.io with the subject line *Application: AI/ML Engineer, Companion*. A real person reads every note. #J-18808-Ljbffr