Senior AI/ML Engineer

The role

You will own the conversational AI that performs patient assessments for US healthcare organizations. You will improve safety checks, productionize ML models, and build evaluation harnesses to optimize clinical predictions and treatment recommendations.

What you will do

• Own the quality of the conversational AI that runs patient assessments
• Improve safety checks for patient messages and AI replies
• Productionize ML models to optimize product KPIs
• Build and maintain evaluation harnesses, simulated patient conversations and labelled transcript review
• Extend assessment AI to new channels including the phone
• Help turn clinical AI into composable services
• Build agents and tooling to automate product development workflows
• Raise the engineering bar through architecture, code review and mentorship

Required qualifications

• A PhD in computational science or an AI-related field, plus 2 years of experience in an ML engineering role, OR A BSc/MSc, plus 4 years of experience in an ML engineering role
• Expertise in productizing LLM features and a strong background in eval-driven development
• Expert-level proficiency in Python and TypeScript/JavaScript
• Proven experience building an LLM agent harness
• Experience utilizing reinforcement learning
• Strong architectural skills with experience designing scalable, production-grade systems for machine learning applications
• A solid understanding of statistical principles in the context of LLM evaluation and user activity analytics
• Proficiency with version control systems (preferably Git) and databases (SQL or NoSQL)
• Hands-on experience with a major cloud platform and containerization technologies
• A track record of end-to-end ownership
• A genuine interest in applying your technical skills to solve complex challenges in the mental healthcare space
• Based in Canada with the right to work there

Nice to have

• Experience with real-time voice AI
• Experience with healthcare organizations as customers

Benefits

• Salary: CA$173,000 – CA$192,000 per year
• Equity share options
• 25 days PTO
• Support with purchasing work-related books and materials
• Quarterly Life Days: 4 paid days off per year
• Mental Health Support: Access to dedicated mental health support services

Before you apply

• Limbic cannot provide visa sponsorship in Canada

About the company

Limbic's vision is to ensure the highest quality therapy is accessible to everyone, everywhere. The company has supported more than 820,000 patients across the UK and the US.