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Staff Machine Learning Engineer

Fullscriptabout 2 months ago
Toronto, ON
Staff
Full-Time

Top Benefits

Health plan with supplements discounts and wellness programs.
Flexible work location, hours, vacation, and personal days.
DEIB Council promotes equality and inclusion.

About the role

  • We’re hiring a Staff Machine Learning Engineer to join our AI team and help shape the next generation of Fullscript’s AI-powered experiences
  • You’ll work on building innovative AI capabilities that help clinicians provide better services and help patients improve their health
  • This is a senior individual contributor role for someone who can go beyond implementation
  • In addition to building high-quality systems, you’ll help define technical direction, guide architecture decisions, and identify where AI can create meaningful value in clinical workflows
  • You’ll work with a high degree of autonomy and partner closely with engineering, product, analytics, and medical stakeholders to deliver scalable, reliable, and clinically useful AI experiences
  • Lead the design, development, and deployment of production, multi-turn LLM-powered features, including summarization tools and clinician-facing conversational agents that support follow-up questions and reasoning over clinical context
  • Own backend services in Python that integrate LLM agents with Fullscript’s platform and support reliable production use
  • Help define technical direction for prompting, grounding, safety, and orchestration strategies used across clinical AI workflows
  • Establish and improve evaluation approaches for LLM outputs, including accuracy, hallucinations, edge cases, and overall feature quality
  • Shape engineering patterns for model-related workflows, including testing, CI/CD, observability, and version control
  • Partner with medical, product, and engineering teams to identify high-value opportunities for AI and turn them into practical, scalable product capabilities
  • Work cross-functionally with engineering, analytics, and medical SMEs to refine requirements and ensure data and system design support clinical use cases
  • Provide technical leadership across projects by creating clarity in ambiguous problem spaces, guiding tradeoff decisions, and raising the quality bar for the team
  • Stay current with the latest LLM research and emerging AI technologies, and help assess where they can be applied effectively at Fullscript

Benefits

  • Reach your wellness goals with our benefits plan, discount on practitioner-grade supplements, and company-wide health and wellness programs
  • Our dedicated DEIB Council ensures we advocate for equality and encourage positive change within ourselves and the community. We value the unique qualities and perspectives of our team
  • You choose your own office with our Wherever You Work Well approach. Whether that’s in-person or at home, teams aren’t defined by geography. Output, not location, is our success metric so we also offer a flexible approach to your working hours, vacation, and personal days
  • We empower each other to grow with lunch and learns, lean in circles, show-and-tells, and more. Everyone has something to learn and something to teach so we pride ourselves on growing as a team
  • We’re not just a company — we’re a community. Team lunches, weekly town halls, birthdays, parties, and clubs are an essential part of our community and culture
  • The health of our people relies on the health of our planet. We are certified carbon-neutral, taking our first big step in creating a more sustainable future- Strong proficiency in Python and SQL
  • Strong communication and collaboration skills, with the ability to work effectively across technical and non-technical stakeholders
  • Familiarity with evaluation and monitoring frameworks for LLM outputs, conversational quality, and system reliability
  • A track record of owning complex technical problems end to end and shaping implementation beyond your immediate code contributions
  • Strong experience with LLM application frameworks and tooling, such as LangChain, LangGraph, or similar orchestration and RAG frameworks
  • Experience designing and deploying AI systems that answer open-ended questions, support follow-up interactions, and operate reliably in production
  • 6+ years of experience building and implementing machine learning applications in production, including meaningful experience with LLM-powered agents, conversational experiences, or agent-based workflows
  • Knowledge of MCP, agent orchestration patterns, or related approaches for building multi-step AI systems
  • Experience making sound technical decisions around quality, safety, maintainability, and scalability in production AI systems
  • Experience defining technical direction for AI or machine learning systems across multiple projects or teams
  • Experience building clinician-facing, healthcare-adjacent, or other high-trust AI experiences
  • Experience with recommendation systems, personalization, or other applied ML systems beyond LLMs
  • Experience with modern retrieval, grounding, or evaluation patterns for LLM applications
  • Experience working closely with domain experts to build systems in complex or highly contextual problem spaces

About Fullscript

Health and Human Services