Jobs for data annotator at Toronto

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


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

    Member of Technical Staff - ML Data 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 pushing...

  • Sr Data Scientist II

    15 hours ago


    Toronto, Ontario, Canada Reed Technology 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 in...

  • Sr Data Scientist II

    21 hours ago


    Toronto, ON, 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...

  • Sr Data Scientist II

    21 hours ago


    Toronto, ON, Canada LexisNexis Risk Solutions Full-time €108,000 - €158,000 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 Team LexisNexis Legal & Professional, which serves...

  • German Data Labeler

    2 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 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,...

  • Machine Learning Engineer IV, Data Premium

    21 hours ago


    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,...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Reed Technology 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, 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....

  • Data Administrator Premium

    21 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...

  • Senior Data Analyst

    4 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada EvenUp Full-time €182,244 - €209,581 Temporary

    Location Toronto (hybrid) Employment Type Full time Location Type Hybrid Department Data Science Compensation Estimated Base Salary $182,244 – $209,581 Offers Equity The salary range provided reflects the compensation that EvenUp reasonably expects to offer for this role. The specific salary within this range will be determined based on various...

  • German Data Labeler

    2 days ago


    Toronto, ON, Canada Cohere Full-time

    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 Crossing Hurdles Full-time €40 Temporary

    Position: AI Data Reviewer Type: Contract Compensation: $25 - $40/hour Location: Remote Commitment: 10-40 hrs/week Responsibilities: 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...


  • Toronto, ON, 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 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...

  • Sr Data Scientist II Premium

    21 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 RELX Full-time €108,100 - €158,100 Temporary

    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, ON, Toronto Census Division, ON; Ontario, Canada LexisNexis Risk Solutions Full-time €108,100 - €158,100 Temporary

    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, ON, Canada Crossing Hurdles Full-time

    Position: AI Data Reviewer Type: Contract Compensation: $25 - $40/hour Location: Remote Commitment: 10-40 hrs/week Responsibilities: 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...


  • Toronto, ON, 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...