Jobs for data annotations at Toronto

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

  • Data Administrator Premium

    2 days 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...

  • German Data Labeler

    2 days ago


    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...


  • Toronto, Ontario, Canada RBC Full-time

    RBC is seeking a Senior Data Scientist for the AI Evaluations Platform in Toronto. You will lead evaluation design and measurement frameworks to assess model and agent quality at scale, driving evidence-based governance and production readiness.You will design dataset construction, rubric design, human annotation protocols, and scalable evaluation methods...


  • Toronto, 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 is...

  • Sr Data Scientist II Premium

    2 days 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...

  • Data Scientist Premium

    5 days ago


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

    Data Scientist (Masters) — AI Data Trainer About The Role What if your expertise in machine learning, statistical inference, and data engineering could directly shape how the world's most advanced AI models think and reason? We're looking for Masters-level data scientists to challenge, stress-test, and refine cutting-edge AI systems — helping ensure...


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

    Member of Technical Staff - Data About Us Veeda AI is building the next generation of multimodal foundation world models for Physical AI. We're a small, fast-moving team of engineers and researchers from leading AI labs, tackling some of the most challenging problems at the intersection of AI, robotics, and embodied intelligence. If you're excited about...


  • Toronto, Canada Unity Health Toronto Full-time

    **Research Assistant II, GEMINI** **GEMINI (**GEMINI Medicine**) is a “made in Ontario” data platform and Canada’s largest hospital clinical data research network. GEMINI has collected data on more than 2.4 million hospital admissions, representing over 20 billion data points, from more than 35 hospitals across all regions of Ontario. These hospitals...


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

    Cohere is hiring an AI Data Analysis Specialist to enhance our language models. This remote-friendly role centers on data evaluation and model performance improvement. As a Member of Technical Staff, you will play a critical role in the assessment and evaluation of our large language models (LLMs) at Cohere. Your responsibilities include designing data...


  • 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, 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

    5 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...

  • German Data Labeler

    5 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, Ontario, Canada Obsidian Full-time

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


  • Toronto, ON, Canada Mercor Full-time

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


  • Toronto, ON, Canada Mercor Full-time

    Become an essential part of Mercor's team by providing high-quality document annotation in Odia. Your expertise will help build training data for enhancing document understanding across various languages. Mercor is seeking a native Odia speaker with a strong command of Odia script for a Document Annotation Specialist role. You will work on a project...


  • Toronto, ON, Canada LexisNexis Full-time $68,000 - $114,000 Contract

    Are you a legal professional interested in building the future of legal technology? Do you want to use your legal background in an exciting alternative legal career? Join us in shaping a more just world. About Us LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase productivity...


  • 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...

  • Precision Medicine Data Lead Premium

    6 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, Canada RELX Remote Full-time $68,100 - $113,600 Contract

    Are you a legal professional interested in building the future of legal technology? Do you want to use your legal background in an exciting alternative legal career? Join us in shaping a more just world. About Us LexisNexis, a part of RELX, is a leading global provider of legal, regulatory, and business information. We help customers increase...