Jobs for data annotations at Toronto

879 data annotations job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, Ontario, Canada RELX Full-time

    Are you excited about shaping the next generation of AI-powered legal technology through generative AI, retrieval systems, and production-grade machine learning? Do you enjoy building reliable, scalable applications that transform complex AI capabilities into impactful customer solutions?About Our TeamLexisNexis Legal & Professional, which serves customers...


  • Toronto, Ontario, Canada ACV Full-time

    What you will do: ACV's Machine Learning organization is looking for a talented Machine Learning Engineer III to join our ML inspection team. In this role, you'll drive end-to-end computer vision solutions processing hundreds of thousands of vehicle inspections annually into reliable, actionable insights, directly reducing inspection turnaround time,...


  • Toronto, Ontario, Canada LexisNexis Risk Solutions Full-time

    Are you excited about shaping the next generation of AI-powered legal technology through generative AI, retrieval systems, and production‑grade machine learning? Do you enjoy building reliable, scalable applications that transform complex AI capabilities into impactful customer solutions?About our Team LexisNexis Legal & Professional, which serves...


  • Toronto, Ontario, Canada ACV Full-time

    What you will do: ACV's Machine Learning organization is looking for a talented Machine Learning Engineer IV to join our ML inspection team. In this role, you'll drive end-to-end computer vision solutions processing hundreds of thousands of vehicle inspections annually into reliable, actionable insights, directly reducing inspection turnaround time,...

  • Data Administrator Premium

    3 hours ago


    Toronto, Ontario, Canada Ample Insight Remote Full-time

    Company DescriptionYou will join a world-class team of engineers and data scientists from Facebook, Uber, Amazon and Google. We are a fast growing consulting firm based in Toronto with clients ranging from leading startups building impactful technologies to Fortune 500 companies looking to scale their engineering and data capabilities. Job DescriptionTo...


  • Toronto, ON, Canada Cohere Full-time $90,000 - $120,000 Contract

    Who are we? Cohere is the leading security-first enterprise AI company, building cutting-edge foundation AI models and end-to-end products 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 adoption of AI and we...

  • Technical Staff

    3 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Veeda AI Full-time

    Drive innovative data management solutions at Veeda AI as a Member of Technical Staff focused on data for Physical AI. Your work will involve cutting-edge techniques in data collection, curation, and analysis for robust AI applications. As part of a skilled team, you will develop ingest methods that support various multimodal data types. Your role will...


  • Toronto, ON, Canada Cohere Full-time €34,095 - €48,560 Contract

    A leading AI firm in Toronto is seeking a part-time Data Annotation Specialist to enhance their Large Language Models. This role requires native proficiency in German and excellent English skills. Responsibilities include labeling, auditing, and correcting data, which significantly impacts model performance. The position offers a competitive rate of 30...

  • German Data Labeler

    3 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Cohere Full-time €30 Temporary

    A leading AI firm in Toronto is seeking a part-time Data Annotation Specialist to enhance their Large Language Models. This role requires native proficiency in German and excellent English skills. Responsibilities include labeling, auditing, and correcting data, which significantly impacts model performance. The position offers a competitive rate of 30...


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

    Waabi, founded by AI pioneer and visionary Raquel Urtasun, is an AI company building the next generation of self‑driving technology. With a world class team and an innovative approach that unleashes the power of AI to “drive” safely in the real world, Waabi is bringing the promise of self‑driving closer to commercialization than ever before. Waabi...


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

    Who are we? Cohere is the leading security-first enterprise AI company, building cutting-edge foundation AI models and end-to-end products 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 adoption of AI and...

  • Sr Data Scientist II Premium

    3 hours ago


    Toronto, Canada LexisNexis Full-time $108,100 - $158,100 Contract

    Are you excited about shaping the next generation of AI-powered legal technology through generative AI, retrieval systems, and production-grade machine learning?Do you enjoy building reliable, scalable applications that transform complex AI capabilities into impactful customer solutions?About our TeamLexisNexis Legal & Professional, which serves customers in...


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

    Fluent Language Skills Required: Japanese. Native fluency in Japanese, including full command of kanji, hiragana and katakana, is required for this position. All annotation and transcription work is performed in Japanese. Why This Role Exists Document understanding breaks down fastest in the languages that parsing and vision-language models rarely see....


  • Toronto, Ontario, Canada Alignerr Remote Full-time US$40 - US$80 Permanent

    Hospital Health Data Governance Lead (AI Training) About The Role What if your expertise in healthcare data governance could directly shape how AI understands and reasons about hospital systems, clinical records, and health compliance? We're looking for experienced Hospital Health Data Governance Leads to bring real-world knowledge to cutting-edge AI...


  • Toronto, ON, Canada Waabi Full-time $178,497 - $329,320 Contract

    Waabi, founded by AI pioneer and visionary Raquel Urtasun, is an AI company building the next generation of self‑driving technology. With a world class team and an innovative approach that unleashes the power of AI to “drive” safely in the real world, Waabi is bringing the promise of self‑driving closer to commercialization than ever before. Waabi is...

  • Precision Medicine Data Lead Premium

    4 days ago


    Toronto, Ontario, Canada Alignerr Remote Full-time US$40 - US$80 Permanent

    Precision Medicine Data Lead (AI Training) About The Role What if your expertise in genomics and clinical data could directly shape how AI understands and advances personalized medicine for millions of patients worldwide? We're looking for a Precision Medicine Data Lead to help guide the integration, governance, and transformation of complex healthcare...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Rex.zone Full-time

    Rex.zone is hiring for remote data labeling roles in Canada. You will label and evaluate text, image, and multimodal data used to train ML models, including LLM response grading, RLHF labeling, and content safety assessment. Join a team applying annotation guidelines, documenting edge cases, and performing QA checks to ensure high-quality training data....


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Rex.zone Full-time

    Enhance machine learning models as an Online Generalist. Work from Canada on essential data tasks including labeling, evaluation, and quality assurance in a remote setting. This position involves performing diverse online tasks essential for training AI models, particularly in NLP and computer vision. Responsibilities include executing data labeling,...


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

    Mercor is seeking a meticulous native Japanese speaker for a data annotation role focused on Japanese documents. You will extract and annotate page structures, bound regions, and reading orders for training data used in document AI projects. Accuracy and consistency are critical as you work with complex layouts including vertical text and multi-column...


  • Toronto, Ontario, Canada Alignerr Remote Full-time US$40 - US$80 Permanent

    Biotech Health Data Governance Lead (AI Training) About The Role What if your expertise in biotech data governance could directly shape how AI understands and works with clinical and research data — accelerating scientific discovery and improving how life sciences organizations operate at scale? We're looking for a Biotech Health Data Governance Lead to...