language data annotator transperfect dataforce jobs in Toronto

445 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 Obsidian Full-time €33 Temporary

    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...


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

    Mercor seeks experienced English Linguistic Experts to join an AI research project and evaluate LLM performance on English-language tasks. You will curate high-quality English linguistic data to train and improve the model’s understanding and generation capabilities. Responsibilities include evaluating, editing, annotating, and providing linguistic...


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

    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...

  • Music Producer

    2 weeks ago


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

    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 Responsibilities Evaluate AI model output lyrics, voice generation, and other standards Score quality of musical training data ...

  • Telugu Music Expert

    2 weeks ago


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

    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 Responsibilities Evaluate AI model output lyrics, voice generation, and other standards Score quality of musical training data ...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Jaide Health 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...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Mindrift Full-time €45 Temporary

    Freelance Software Developer (Java) - Quality Assurance (AI Trainer) Get AI-powered advice on this job and more exclusive features. Please submit your resume in English and indicate your level of English proficiency. We believe in using the power of collective intelligence to ethically shape the future of AI. The Mindrift platform connects specialists...

  • AI Vision Engineer

    2 weeks ago


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

    Nexxa is building the best AI systems for heavy industries — enabling machines, systems and operations to think, decide and act autonomously across manufacturing, large-scale infrastructure, logistics and legacy environments. Our mission is to translate deep technical breakthroughs into operational reality, solving some of the hardest systems-level...

  • Music Producer

    2 weeks ago


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

    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 Responsibilities Evaluate AI model output lyrics, voice generation, and other standards Score quality of musical training data ...

  • Account Manager

    2 weeks ago


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

    TransPerfect Is More Than Just a Job… Our greatest asset is our people, and nothing is more important to us than ensuring that everyone knows that. Each of our 100+ offices has its own individual identity, and each also has its own unique rewards. Account Manager: MEDIA Who We Are: The position of Media & Entertainment Account Manager is responsible...


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

    Palona is building AI for the physical world, starting with restaurants. Understanding a busy restaurant means making sense of people, objects, activities, and events as they change over time, despite occlusion, changing lighting, varied camera views, and incomplete information. We are looking for an AI Research Engineer with a strong research background...

  • Senior Data Analyst

    2 weeks 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...


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

    About the job RQ09609 - Systems Analyst - Senior Work with Business Analysts / UX & UI Designer / Product Manager / Cloud Architect, base on storyboard, user stories, UI/UX artefacts, solution architecture, security requirements, data models, develop application design and technical specification document, deliver quality software products (including...

  • Account Executive

    2 weeks ago


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

    Who We Are: TransPerfect was founded with a mission to help the world's businesses navigate the global marketplace. Today, we have grown to be an industry leader organization by helping clients globalize their business no matter what service they might need. TransPerfect provides a full array of language and business support services, including...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Alignerr Corp. Full-time

    Biology Subject Matter Expert (AI Training) About The Role We're looking for biology experts to help train and evaluate cutting-edge AI models being developed by the world's leading AI research labs. Your scientific knowledge will directly shape how AI understands and reasons through complex biology — from cellular mechanisms to advanced biotechnology. ...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Waabi Full-time €141,000 - €249,000 Temporary

    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...

  • AI Vision Engineer

    2 weeks ago


    Toronto, ON, Canada nexxa Full-time

    Nexxais building the best AI systems for heavy industries — enabling machines, systems and operations to think, decide and act autonomously across manufacturing, large-scale infrastructure, logistics and legacy environments.Our mission is to translate deep technical breakthroughs into operational reality, solving some of the hardest systems-level problems...


  • Toronto, ON, Canada Alignerr Corp. Full-time

    Biology Subject Matter Expert (AI Training) About The Role We're looking for biology experts to help train and evaluate cutting-edge AI models being developed by the world's leading AI research labs. Your scientific knowledge will directly shape how AI understands and reasons through complex biology — from cellular mechanisms to advanced...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Rex.zone Full-time

    About The Role AI Trainer jobs in Canada focus on improving large language models through RLHF-style evaluations, prompt evaluation, data labeling, and QA evaluation across real AI/ML training pipelines. You will follow detailed annotation guidelines, verify training data quality, and provide structured feedback that improves helpfulness, correctness, and...