Jobs for data annotations at Toronto

1,000 data annotations job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Klick1 Full-time €70,000 - €80,000 Temporary

    The Medical Editor supports scientific accuracy, clarity, and regulatory compliance across diverse healthcare communications. This role reviews healthcare professional and patient-facing materials, scientific content, reviews data and referencing for accuracy, and supports compliant development of marketing materials. The Medical Editor collaborates with...

  • Medical Editor

    2 weeks ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Klick1 Full-time €70,000 - €80,000 Temporary

    The Medical Editor supports scientific accuracy, clarity, and regulatory compliance across diverse healthcare communications. This role reviews healthcare professional and patient-facing materials, scientific content, reviews data and referencing for accuracy, and supports compliant development of marketing materials. The Medical Editor collaborates with...

  • Art Direction Supervisor Premium

    2 weeks ago


    Toronto, Canada TANK Worldwide Full-time US$65,000 - US$115,000 Contract

    POSITION OVERVIEW  As an Art Direction Supervisor or 'Art Supervisor' working across healthcare brands, you will be supporting a larger team, while having a role as a major contributor to the development of promotion across print and digital media. You'll be challenged to push boundaries to produce work that exceeds client expectations, both conceptually...

  • Copy Supervisor Premium

    2 weeks ago


    Toronto, Canada TANK Worldwide Full-time US$65,000 - US$115,000 Contract

    WHO WE ARE Grey Health is the culmination of the rich legacies of two powerhouse brands — Grey and TANK. With borderless employees spread across 20 studios in 18 countries, we all work collaboratively with one mission in mind: to deliver famously effective ideas that drive business results for top tier clients in the health and wellness market. In 2023,...

  • AI Vision Engineer

    2 weeks ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Uncover Full-time

    Nexxa is building the best AI systems for heavy industries — enabling machines, systems and operations to think, decide and act autonomously across manufacturing, large-scale infrastructure, logistics and legacy environments. Our mission is to translate deep technical breakthroughs into operational reality, solving some of the hardest systems-level...


  • Toronto, Ontario, Canada Crossing Hurdles Full-time

    Position:AI Data ReviewerType:ContractCompensation:$25 - $40/hourLocation:RemoteCommitment:10-40 hrs/weekResponsibilities:Review and analyze screenshots of diverse software interfaces, identifying UI elements and interpreting user workflows with precision.Evaluate and annotate AI model responses, ensuring judgments are strictly grounded in what is visible on...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Obsidian Full-time

    Domain Expert – Diagnostic Imaging (Visage 7 Research) To qualify you must use Visage 7 regularly — weekly or more — as a working part of your job, with 2+ years of professional experience in radiology, imaging operations, or imaging IT. Visage 7 knowledge we require Study interpretation & measurement Establishing a patient's current imaging...


  • Toronto, Ontario, Canada University Health Network Full-time

    UHN is Canada's #1 hospital and the world's #1 publicly funded hospital. With 10 sites and more than 44,000 TeamUHN members, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education and West Park Healthcare Centre. As Canada's top research...


  • Toronto, Ontario, Canada YO AI Labs Full-time

    YO AI Labs is seeking an experienced Civil Rights Attorney to contribute legal expertise to an AI-enabled project. You will review, annotate, and refine AI-generated civil rights content, focusing on accuracy, legality, and ethical considerations.This remote contractor role emphasizes strong legal research, writing, and collaboration with interdisciplinary...


  • Toronto, Ontario, Canada YO AI Labs Full-time

    YO AI Labs is seeking experienced Family Law Attorneys to contribute their legal expertise to an AI-human collaboration project. You will review, annotate, and refine AI-generated family law content remotely for US contexts, applying custody, divorce, and adoption knowledge.No AI background required; strong research, writing, and analytical skills are...

  • Content Writer

    3 weeks ago


    Toronto, Ontario, Canada YO IT Consulting Full-time

    Job Type: Contract, Part-timeLocation: RemoteRole DescriptionIn this hourly, remote contractor role, you will work as a Copywriting & Content Subject Matter Expert (SME) to review AI-generated marketing/content-writing outputs and/or create expert copy and content, evaluating reasoning quality, intent alignment, and step-by-step writing decisions while...


  • Toronto, Ontario, Canada University Health Network Full-time US$35 - US$53 Permanent

    Company DescriptionUHN is Canada’s #1 hospital and the world’s #1 publicly funded hospital. With 10 sites and more than 44,000 TeamUHN members, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education and West Park Healthcare Centre. As...

  • Medical Data Analyst Premium

    3 weeks ago


    Toronto, Ontario, Canada Aimbient (formerly SST) Full-time $43,000 Contract

    Aimbient (formerly Surgical Safety Technologies) is a fast-growing healthcare technology start-up located in the heart of Toronto, Canada. The Aimbient Suite is a platform that captures some of the world’s most valuable data from surgery and allows hospitals to identify, understand, and mitigate risk. The Aimbient Platform is implemented in several of the...

  • Music Producer

    3 weeks ago


    Toronto, ON, Canada Mercor Full-time

    Mercor is hiring experienced Musicians to evaluate generative musical AI models in partnership with a leading AI lab.You will assess model outputs across in different categories of music in your bilingual language.Key ResponsibilitiesEvaluate AI model output lyrics, voice generation, and other standardsScore quality of musical training dataExperience writing...

  • Applied Researcher 2 Premium

    3 weeks ago


    Toronto, Canada eBay Full-time

    At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.Our customers are our compass,...

  • Sr. Applied Researcher — AI/ML Premium

    3 weeks ago


    Toronto, Canada eBay Full-time

    At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.Our customers are our compass,...


  • Toronto, Ontario, ON, Canada Cohere Remote Full-time

    **Who are we?** Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread...


  • Toronto, Ontario, ON, Canada Cohere Remote Full-time

    **Who are we?** Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread...


  • Toronto, Ontario, Canada Welo Global Full-time

    Contribute to cutting-edge AI solutions as a Part-time Data Annotation Specialist. This remote, temporary position offers a unique opportunity to apply your language skills in a crucial role.Ideal candidates are detail-oriented individuals who are fully proficient in French-Canadian, with advanced proficiency in English. You will play an essential part in...


  • Toronto, Ontario, ON, Canada Cohere Remote Full-time

    **Who are we?** Our mission is to scale intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation, semantic search, RAG, and agents. We believe that our work is instrumental to the widespread adoption of AI. We obsess...