language data annotator transperfect dataforce jobs in Toronto

331 language data annotator transperfect dataforce job listings in Canada. Find daily updated positions from leading job boards.


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

    Fluent Language Skills Required: Japanese. Native fluency in Japanese, including full command of kanji, hiragana and katakana, is required for this position. All annotation and transcription work is performed in Japanese. 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 Obsidian Full-time

    Mercor is on the lookout for experienced Musicians to evaluate AI-generated music, collaborating with a cutting-edge AI lab. This part-time role entails assessing musical outputs in both French and English. As a Music Producer, you will utilize your knowledge of music production to evaluate lyrics, vocal quality, and the overall creativity of AI models. A...

  • Account Manager

    21 hours ago


    Toronto, Ontario, Canada TransPerfect Full-time

    Job descriptionAccount Manager – Financial ServicesDo you want to work for a global leader in AI and technology? Are you passionate about helping financial institutions improve communication with multilingual clients, expand into new markets, and scale operations efficiently and compliantly? If so, TransPerfect Financial Services could be the right place...


  • Toronto, Ontario, Canada Welo Global Full-time

    About the RoleWe are looking for detail-oriented Generative AI Analysts to support a variety of AI training, data annotation, evaluation, and quality review projects. Project DetailsJob Title: Translation Validation - French (Canada)Location: Remote (Canada)Employment Type: FreelancePay Rate: 20USD/per hourDepending on the project, you may work with text,...


  • Toronto, ON, Canada Obsidian Full-time $70,000 - $100,000 Contract

    Become a key player in AI research at Mercor as a German Linguistic Expert. Focus on LLM evaluation and enhance performance in German language tasks through quality data curation. Mercor seeks experienced professionals for its German Linguistic Expert role within an innovative AI research initiative. You will evaluate the accuracy of German text generated...

  • Chemistry Masters

    2 days ago


    Toronto, Ontario, Canada Alignerr Remote Full-time US$35 - US$55 Permanent

    Chemistry Masters — AI Data Trainer About The Role We're looking for chemistry experts to help train and improve the next generation of AI models. At Alignerr, we partner with the world's leading AI research labs — and we need people who truly understand chemistry to help AI think more rigorously about it. If you have a Master's in Chemistry, Chemical...


  • Toronto, ON, Canada Obsidian Full-time $40,000 - $60,000 Contract

    Mercor is hiring experienced Musicians to evaluate generative musical AI models in partnership with a leading AI lab.You will assess model outputs across in different categories of music in your bilingual language.Key ResponsibilitiesEvaluate AI model output lyrics, voice generation, and other standardsScore quality of musical training dataExperience writing...


  • Toronto, Ontario, Canada Alignerr Remote Full-time US$60 - US$80 Permanent

    Senior Machine Learning Expert (AI Training) About The Role What if your deep expertise in machine learning could directly shape how the world's most advanced AI systems learn to reason, plan, and make decisions? We're looking for Senior Machine Learning Experts to author high-fidelity reasoning traces — the structured, step-by-step thinking patterns...


  • Toronto, Ontario, Canada RemoteJobsOne Full-time

    IMPORTANT: after you apply, please check your email. We send you a link to complete your application — it is not considered until that last step is done. If you do not see it, check your spam folder. This is a fully remote position , open to candidates based in Canada. Pay: $25–$50/hr Role Title: Subject Matter Expert – Medicine & Biostatistics Chart...


  • Toronto, ON, Canada Mercor Full-time $34,000 - $55,000 Contract

    Explore the role of a Music Audio Specialist with Mercor, where you will evaluate generative musical AI. This part-time position utilizes your bilingual Russian and English skills. Mercor seeks experienced musicians to assess generative AI music outputs, focusing on musical quality and creativity. You will apply your audio engineering knowledge while...

  • Music Audio Expert

    2 days ago


    Toronto, ON, Canada Mercor Full-time $34,000 - $55,000 Contract

    Mercor is hiring experienced Musicians to evaluate generative musical AI models in partnership with a leading AI lab.You will assess model outputs across in different categories of music in your bilingual language.Key ResponsibilitiesEvaluate AI model output lyrics, voice generation, and other standardsScore quality of musical training dataExperience writing...

  • Telugu Music Expert

    2 days ago


    Toronto, ON, Canada Mercor Full-time $34,000 - $55,000 Contract

    Mercor is hiring experienced Musicians to evaluate generative musical AI models in partnership with a leading AI lab.You will assess model outputs across in different categories of music in your bilingual language.Key ResponsibilitiesEvaluate AI model output lyrics, voice generation, and other standardsScore quality of musical training dataExperience writing...

  • Physics Masters

    3 days ago


    Toronto, Ontario, Canada Alignerr Remote Full-time US$35 - US$55 Permanent

    Physics Masters – AI Training Specialist About The Role We're looking for Masters-level physicists to help train and evaluate some of the world's most advanced AI models. Your deep understanding of physics will directly shape how AI reasons through complex problems — from classical mechanics to quantum theory. This is a fully remote, flexible contract...

  • Music Producer

    1 day ago


    Toronto, ON, Canada Obsidian Full-time $48,000 - $83,000 Contract

    Mercor is hiring experienced Musicians to evaluate generative musical AI models in partnership with a leading AI lab.You will assess model outputs across in different categories of music in your bilingual language.Key ResponsibilitiesEvaluate AI model output lyrics, voice generation, and other standardsScore quality of musical training dataExperience writing...


  • Toronto, ON, Canada Obsidian Full-time $70,000 - $100,000 Contract

    Mercor is seeking experienced German Linguistic Experts to join a cutting-edge AI research project in partnership with a leading research lab. This role centers on evaluating how effectively a large language model (LLM) performs in French-language tasks and on curating high-quality French linguistic data to train and improve the model’s understanding and...


  • Toronto, ON, Canada Jaide Health Remote Full-time $180,000 - $240,000 Contract

    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...

  • Biology Masters

    3 days ago


    Toronto, Ontario, Canada Alignerr Remote Full-time US$35 - US$55 Permanent

    Biology Masters – AI Data Trainer About The Role We're looking for Masters-level biology professionals to help train and improve cutting-edge AI models. At Alignerr, we partner with the world's leading AI research labs — and now we need your scientific expertise to make AI smarter, more accurate, and more rigorous in the life sciences. Your deep...

  • Latvian Gen AI Trainer

    21 hours ago


    Toronto, Canada Welocalize Full-time US$8 Permanent

    What if your knowledge Latvian languagecould help improve the AI. WHAT YOU'LL DO Review, evaluate, and validate AI-generated content and data according to project guidelines. Compare AI-generated outputs and identify the most accurate, relevant, or high-quality result. Identify errors, inconsistencies, omissions, and quality...

  • French Gen AI Trainer

    21 hours ago


    Toronto, Ontario, Canada Welocalize Full-time US$20 Permanent

    What if your knowledge French languagecould help improve the AI. WHAT YOU'LL DO Review, evaluate, and validate AI-generated content and data according to project guidelines. Compare AI-generated outputs and identify the most accurate, relevant, or high-quality result. Identify errors, inconsistencies, omissions, and quality...

  • Biology QA Lead

    4 days ago


    Toronto, ON, Toronto Census Division, ON; Ontario, Canada YO IT Consulting Full-time

    Job Description Job Title: Biology Quality Assurance Lead Job Type: Contract Location: Remote About This Role In this hourly, remote contractor role, you will work as a Biology Quality Assurance Lead to oversee quality, consistency, and trainer performance across biology AI training projects. You will review AI-generated biology content and trainer/QA...