data annotations jobs in Toronto

1,089 data annotations job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, ON, Canada Compunnel Inc. Full-time €90,000 - €130,000 Contract

    GenAI analytics and sales workflow expertise define this Data Scientist role, supporting preparation, evaluation, and insights for a sales enablement platform. You will own moderate-scope analytics projects while collaborating with product, sales, and business stakeholders. The work includes analyzing sales datasets, evaluating LLM features, and translating...

  • Senior Data Analyst

    2 hours ago


    Toronto, Ontario, Canada EvenUp Full-time

    EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle collisions, accidents, natural disasters, and...


  • 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...

  • Senior Data Analyst

    3 days ago


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

    EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle collisions, accidents, natural disasters, and...


  • 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...


  • 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 Alignerr Corp. Remote Full-time $83,000 - $165,000 Contract

    Precision Medicine Data Lead (AI Training) 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 datasets —...


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

    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 customers...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Relx Plc Full-time €108,100 - €158,100

    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...

  • Sr Data Scientist II

    21 hours ago


    Toronto, ON, Canada LexisNexis 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 customers...

  • Sr Data Scientist II

    7 hours ago


    Toronto, Ontario, Canada Relx Plc 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...

  • Sr Data Scientist II

    2 hours ago


    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, ON, Canada ACV Auctions Full-time €120,000 - €180,000 Contract

    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, Canada ACV Auctions Full-time €120,000 - €150,000 Contract

    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 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...


  • 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 Cohere Full-time

    Cohere is a leading security-first enterprise AI company building foundation AI models and end-to-end products. We are hiring for a role that builds and owns pipelines for post-training data used to train large language models. You will collaborate with researchers and annotation teams to iterate on data as models evolve. The role focuses on SFT, RL data,...


  • 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...

  • Data Administrator

    2 days ago


    toronto, on, Canada Ample Insight Inc. Full-time $60,000

    To qualify for this role, you must currently reside in Ontario, Canada. We are looking for a data administrator/specialist that can help our team of data scientists and engineers manage, clean and curate data from a variety of sources. Your day to day job can range from identifying target objects in photos to researching and entering data online. You should...


  • Toronto, Ontario, Canada Veeda AI Full-time

    About UsVeeda 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 the boundaries of what's...