Staff - level ML Engineer building Yelp’s content and contributor intelligence systems with neural networks, LLMs, and multimodal embeddings. Productionizing end - to - end ML pipelines for Yelp’s local - business platform.
About the role
- Senior AI/ML Engineer owning conversational assessment AI for Limbic, a mental healthcare technology company. Improving clinical safety, prediction, evaluation, and healthcare integrations.
Responsibilities
- Own the quality of conversational AI for patient assessments, including conversation flow, clinical prediction, and treatment recommendation
- Improve safety checks screening patient messages and AI replies for risk, manipulation attempts, unsafe medical advice, and clinically inappropriate responses
- Productionize ML models optimizing clinical prediction accuracy and speed of access to appropriate care
- Build and maintain evaluation harnesses, simulated patient conversations, and labelled transcript review
- Extend assessment AI to new channels, including phone
- Turn clinical AI into composable services for healthcare partner integrations
- Build agents and tooling to automate product development workflows, reliable testing, and customer demos
- Raise engineering standards through architecture, code review, and mentorship while maintaining regulatory compliance
- Collaborate with product, engineering, clinical colleagues, and the ML team in London
Requirements
- 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 and experience designing scalable, production-grade systems for machine learning applications
- Solid understanding of statistical principles in LLM evaluation and user activity analytics
- Proficiency with version control systems, preferably Git, and SQL or NoSQL databases
- Hands-on experience with a major cloud platform and containerization technologies
- Track record of end-to-end ownership, rapid delivery, impact measurement, and urgency in high-stakes situations
- Genuine interest in applying technical skills to mental healthcare challenges
- North American business hours, Eastern time preferred, with daily overlap with colleagues in Europe (UTC to UTC+3)
- Based in Canada with the right to work there
- Limbic cannot provide visa sponsorship in Canada
Benefits
- Equity share options
- 25 days PTO
- Support with purchasing work-related books and materials
- 4 paid Quarterly Life Days per year
- Access to dedicated mental health support services
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