Fullscript4mo ago

Machine Learning Engineer

Toronto · TorontoRemoteFull Timemid

EngineeringData ScienceMachine Learning EngineerData & AI

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Overview

About Fullscript We’re an industry-leading health technology company on a mission to help people get better. We started in 2011 with one simple idea.

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EngineeringData ScienceMachine Learning EngineerData & AI

About Fullscript

We’re an industry-leading health technology company on a mission to help people get better. We started in 2011 with one simple idea. Make it easier for practitioners to access the products they trust so they can deliver better care.

That simple idea grew into a platform that powers every part of care. Today, more than 125,000 practitioners use Fullscript for clinical insights, lab interpretations, patient analytics, education, and access to high-quality supplements. Over 10 million patients rely on Fullscript to stay connected to their care plans and follow through on treatment.

We build tools that make care smarter and more human. Tools that save time, simplify decisions, and help practitioners stay closely connected to the people they care for. When everything they need is in one place, they can focus on what matters most: helping people get better.

This is your invitation.

Bring your ideas, your grit, and your care for people.

Join us and shape the future of care.

We’re hiring a Senior Machine Learning Engineer to join our AI team to help strengthen and expand 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.

Development and deployment of production, multi-turn LLM-powered features, including summarization tools and clinician-facing conversational agents that handle follow-up questions and reasoning over clinical context

Build and own backend services in Python that integrate LLM agents with Fullscript’s platform

Implement prompting, grounding, and safety strategies to optimize model outputs in clinical workflows

Implement AI feature quality testing, evaluation of LLM outputs (accuracy, hallucinations, edge cases), CI/CD pipelines, and version control for all model-related workflows

Collaborate with medical and product teams to deliver AI features that reflect real clinical reasoning and practitioner workflows

Work cross-functionally with engineering, analytics, and medical SMEs to refine requirements and ensure data solutions support clinical contexts

Stay current with the latest LLM research and emerging AI technologies

3+ years of experience building and implementing LLM applications used in production, including conversational or agent-based systems

Experience with LLM application frameworks (LangChain, LangGraph, Hugging Face tools), including agent orchestration, tool use, or RAG pipelines

Familiarity with model evaluation and monitoring frameworks for LLM outputs and conversational quality

Knowledge of MCP and agent orchestration tools

Strong proficiency in Python and SQL

Deep understanding of data engineering best practices, including version control, testing, and CI/CD methodologiesgineering best practices, including version control, testing, and CI/CD m

Experience designing AI systems that answer open-ended questions, support follow-up interactions, and explain their reasoning

Ability to communicate complex technical concepts effectively to technical and non-technical stakeholders

Learning mindset, with a keen interest in exploring new technologies and methodologies

Flexible PTO & competitive pay

RRSP match (CAD) & stock options

Customizable benefits — flexible coverage, paramedical services, and an HSA.

Flexible benefits package and additional perks

Employee discount on Fullscript catalog of products for family & friends

Continuous learning — training budget + company-wide initiatives.

Wherever You Work Well — hybrid and remote flexibility.

SalaryFlexible PTO & competitive pay—rest fuels performance.

RRSP match & stock options—invest in your future.

Customizable benefits—flexible coverage, paramedical services, and an HSA.

Fullscript discounts—save on wellness products.

Continuous learning—training budget + company-wide initiatives.

Wherever You Work Well—hybrid and remote flexibility.

Listing Details

Posted: December 18, 2025
First seen: March 26, 2026
Last seen: April 21, 2026

Posting Health

Days active: 25
Repost count: 0
Trust Level: 39%
Scored at: April 21, 2026

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Fullscript

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Fullscript is a healthcare platform founded in 2011 that enables practitioners to prescribe and manage professional-grade supplements, offering tools for personalized treatment plans and patient adherence. It serves healthcare professionals by providing a comprehensive solution for integrative medicine.

Employees

750

Founded

2011

Domain

Jobs

External application · ~5 min on Fullscript's site

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