Jobs for data annotator at Toronto

1,048 data annotator job listings in Canada. Find daily updated positions from leading job boards.


  • 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 Cohere Full-time

    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, Canada Socket.dev Full-time €139,000 - €277,000 Contract

    Waabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world-class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world leaders in AI, automotive, logistics, and deep tech. With offices in Toronto,...


  • Toronto, ON, Canada Waabi Full-time €139,000 - €277,000 Contract

    Waabi, founded by AI visionary Raquel Urtasun, is the leader in Physical AI. With a world-class team, we're unlocking the next era of autonomous transportation with technology that's powering commercial autonomous trucks and robotaxis. Waabi is backed by and partners with world leaders in AI, automotive, logistics, and deep tech. With offices in Toronto,...


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

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


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

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


  • Toronto, ON, Toronto Census Division, ON; Ontario, 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 Exists Document understanding breaks down fastest in the languages that parsing and vision-language models rarely...


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

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

  • Remote AI Trainer

    5 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada Toloka Annotators Full-time €23 Temporary

    A leading AI solutions company is seeking individuals for freelance data annotation roles. The position entails reviewing and labeling content as part of AI projects. Candidates should be skilled in Portuguese and advanced in English, possess strong logical reasoning and attention to detail, and have an interest in technology. This is a project-based role...


  • Toronto, Ontario, Canada Mercor Full-time

    Contribute essential skills in Gujarati annotation with Mercor’s PDF project. As a fluent Gujarati speaker, you'll focus on annotation, transcription, and the accurate mapping of vital document structures. Mercor is seeking a Gujarati PDF Annotation Specialist to help develop training datasets for document AI. This role emphasizes the importance of native...

  • Data Scientist

    3 days ago


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

    Must have: must have experience Azure data tools - azure, databricks, MLflow, python Exposure to LLM frameworks (DSPy, LangChain, Hugging Face, or equivalent). Familiarity with Python and libraries like pandas, scikit-learn, or PyTorch. Title Data Analytical Specialist/Scientist Description Responsibilities Lead the development and delivery of...

  • Senior Data Analyst

    7 hours ago


    Toronto, Ontario, Canada EvenUp Full-time

    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 factors,...


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

    Join Mercor as an Expert Telugu Document Annotation Specialist, leveraging your language skills to refine document AI capabilities. This role emphasizes accuracy and systematic analysis of various Telugu documents. As a native Telugu speaker, you will engage in detailed document annotation and transcription, contributing to projects that aid in...


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

    Enhance document AI capabilities by leveraging your Gujarati fluency with Mercor. This specialist role focuses on detailed annotation and transcription of diverse Gujarati PDFs. As a Gujarati PDF Annotation Specialist at Mercor, your native language skills will be vital in creating training data for AI models. You will be responsible for identifying and...


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

    Join Mercor to enhance document AI by annotating Odia documents. This role prioritizes your native language skills through tasks like transcription and structural mapping. As a Document Annotation Specialist at Mercor, you'll utilize your native Odia fluency to create critical training data. The project centers on real-world Odia documents, focusing on...


  • 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...


  • 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, Canada Socket.dev Full-time €139,000 - €277,000 Contract

    Waabi is seeking a Senior Product Designer to own human-in-the-loop workflows that transform raw driving data into a safer autonomy stack. You will design data labeling, map annotation, and discovery tools, unifying workflows to accelerate training data throughput and model performance. You’ll join as the third product designer on the Product, Design &...

  • Senior Data Analyst

    2 days ago


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

    Full time Data Science 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. 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. EvenUp is...


  • Toronto, Ontario, Canada Cohere Full-time

    Be a key player as a Data Annotation Specialist in engineering, focusing on task breakdowns that train machine learning models. This remote, part-time position allows for flexibility within Canada. Available exclusively to independent contractors in Canada, this role requires a minimum of 16 hours work per week at 30 CAD per hour for a 12-month contract....