data annotator jobs in Montreal

640 data annotator job listings in Canada. Find daily updated positions from leading job boards.


  • Montreal (administrative region), QC, Canada Rex.zone Remote Full-time $59,000 - $98,000 Contract

    Remote Data Annotator (Full-Time, Remote) Rex.zone helps candidates discover and apply to remote data annotator roles supporting modern AI/ML training pipelines. In this role, you will create labeled datasets and evaluation signals that improve training data quality and large language model performance across NLP, computer vision, and content safety...


  • Montreal, Quebec, Canada Cohere Full-time

    Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are 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...


  • Montreal, Quebec, Canada Cohere Full-time

    Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are 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...


  • Montreal, Quebec, Canada Rex.zone Full-time

    Remote Data Annotator (Full-Time, Remote)Rex.zone helps candidates discover and apply to remote data annotator roles supporting modern AI/ML training pipelines. In this role, you will create labeled datasets and evaluation signals that improve training data quality and large language model performance across NLP, computer vision, and content safety...


  • Montreal (administrative region), QC, Canada Intact Financial Corporation Full-time $59,000 - $73,000 Contract

    Intact Financial Corporation is seeking a Data Annotator to join the Intact Lab, helping train ML models with large annotated data. You will locate, label, and categorize data from text, audio, and images to support dataset creation for model training and validation.You will report to a team manager and work with Senior Data Annotators, receiving training to...


  • Montreal, Quebec, Canada Toloka Annotators Full-time

    This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English.At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What we doThe...


  • Montreal, Quebec, Canada Dataforce Full-time

    Work Location: Alberta, British Columbia, or Quebec; remote Work Schedule: Full-time (40 hours/week), Monday – Friday; business hours Engagement Model: Employment; fixed term/temporary Start Date: Immediate Project duration: Until September 2025 DataForce by TransPerfect is currently looking for a Language Data Annotator with idiomatic fluency in English...


  • Montreal (administrative region), QC, Canada Welo Global Full-time

    Welo Data is seeking a detail-oriented Quality Control Specialist to review Trainer submissions for an AI data annotation project. This remote-friendly role requires meticulous review to confirm accuracy and consistency, with feedback provided to improve data quality.You will verify answers against images, flag issues, and report patterns to the team. A...


  • Montreal, Quebec, Canada Rex.zone Full-time

    About Rex.zoneRex.zone is hiring Toronto-based candidates for full-time remote data annotation and data labeling work that improves training data quality for AI/ML systems. You will support real-world LLM training pipelines through evaluation, QA, and careful rubric-driven judgments.About Rex.zoneRex.zone is hiring Toronto-based candidates for full-time...


  • Montreal (administrative region), QC, Canada YO AI Labs Full-time €30,000 - €47,000 Contract

    YO AI Labs is seeking a Generalist contractor for remote work focusing on data annotation and AI-related tasks. The role emphasizes analytical thinking, accuracy, and strong written and verbal English communication as you review and annotate information across topics. You will evaluate AI-generated content, provide actionable feedback, and collaborate with...


  • Montreal (administrative region), QC, Canada YO AI Labs Full-time €30,000 - €47,000 Contract

    Generalist Job Type: Contractor Location: Remote Role Overview We are looking for Generalists with strong analytical and critical-thinking skills to support AI and data-focused projects. The role involves reviewing, evaluating, and annotating information across different topics while maintaining high accuracy and quality. Key Responsibilities - Analyze,...


  • Montreal (administrative region), QC, Canada Cohere Full-time $34,095 - $48,560 Contract

    About the RoleThis role will focus on breaking down engineering tasks such as reporting, component search, and handling of material billing/information into individual steps that can be tackled through tool use. Your breakdown will teach the Cohere model the logic needed to complete each task.Compensation and EmploymentPart‑time independent contractor...


  • Montreal, Quebec, Canada Intact Financial Corporation Full-time

    Intact Financial Corporation is seeking a Data Annotator to join the Intact Lab, helping train ML models with large annotated data. You will locate, label, and categorize data from text, audio, and images to support dataset creation for model training and validation.You will report to a team manager and work with Senior Data Annotators, receiving training to...


  • Montreal (administrative region), QC, Canada Cohere Full-time

    Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are 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...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Rex.zone Full-time €30 - €50

    Remote Data Annotator (Full-Time, Remote) Rex.zone helps candidates discover and apply to remote data annotator roles supporting modern AI/ML training pipelines. In this role, you will create labeled datasets and evaluation signals that improve training data quality and large language model performance across NLP, computer vision, and content safety...


  • Montreal (administrative region), QC, Canada Rex.zone Full-time

    About Rex.zoneRex.zone is hiring Toronto-based candidates for full-time remote data annotation and data labeling work that improves training data quality for AI/ML systems. You will support real-world LLM training pipelines through evaluation, QA, and careful rubric-driven judgments.About Rex.zoneRex.zone is hiring Toronto-based candidates for full-time...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Rex.zone Full-time

    About Rex.zone Rex.zone is hiring Toronto-based candidates for full-time remote data annotation and data labeling work that improves training data quality for AI/ML systems. You will support real-world LLM training pipelines through evaluation, QA, and careful rubric-driven judgments. About Rex.zone Rex.zone is hiring Toronto-based candidates for...


  • Montréal, QC, Montreal Regional Municipality, QC; Montréal region; Québec Province, Canada Intact Financial Corporation Full-time

    Intact Financial Corporation is seeking a Data Annotator to join the Intact Lab, helping train ML models with large annotated data. You will locate, label, and categorize data from text, audio, and images to support dataset creation for model training and validation. You will report to a team manager and work with Senior Data Annotators, receiving training...


  • Montreal, Quebec, Canada Bilinguallink Full-time

    Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are 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...


  • Montreal, Quebec, Canada iMerit Scholars Full-time

    A leading tech organization is seeking a meticulous Data Annotation Specialist to join their AI and ML projects team. This remote, full-time position involves generating and validating datasets across various formats, collaborating with data scientists to enhance AI model development. Candidates should have a bachelor's degree and experience in data...