dataannotation
698 dataannotation job listings in Canada. Find daily updated positions from leading job boards.
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Remote Applied Mathematician
4 days ago
Moncton, Moncton Parish, Canada DataAnnotation Full-timeDataAnnotation is looking for an experienced mathematician to design mathematical problems that today's leading AI models still get wrong. Models are fluent enough to produce an answer that looks right and a derivation that reads well.You bring the judgment to tell the difference between the two, and the tooling to prove it. This is a new and growing area...
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AI Training Bioinformatician
4 days ago
Québec, Quebec, Canada DataAnnotation Full-timeDataAnnotation is seeking experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your practice, run them through frontier AI systems, and grade the deliverables against a professional standard.Models can discuss biological data analysis, but cannot yet perform real work: QC an RNA-seq...
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AI Training Bioinformatician
4 days ago
Ahuntsic North, Quebec, Canada DataAnnotation Full-timeDataAnnotation is seeking experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your practice, run them through frontier AI systems, and grade the deliverables against a professional standard.Models can discuss biological data analysis, but cannot yet perform real work: QC an RNA-seq...
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Remote AI Model Trainer
4 days ago
Québec, Quebec, Canada DataAnnotation Full-timeDataAnnotation is seeking a quantitative professional to help train AI models. You will evaluate AI-generated quantitative analyses, solve technical problems, and provide feedback that shapes how these systems reason about data and models. Qualifications span data science, statistics, economics, physics, biology, epidemiology, and related fields.Some team...
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Remote AI Model Trainer
4 days ago
Ahuntsic North, Quebec, Canada DataAnnotation Full-timeDataAnnotation is seeking a quantitative professional to help train AI models. You will evaluate AI-generated quantitative analyses, solve technical problems, and provide feedback that shapes how these systems reason about data and models. Qualifications span data science, statistics, economics, physics, biology, epidemiology, and related fields.Some team...
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Remote AI Model Trainer
4 days ago
Winnipeg, Manitoba, Canada DataAnnotation Full-timeDataAnnotation is seeking a quantitative professional to help train AI models. You will evaluate AI-generated quantitative analyses, solve technical problems, and provide feedback that shapes how these systems reason about data and models. Qualifications span data science, statistics, economics, physics, biology, epidemiology, and related fields.Some team...
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AI Training Bioinformatician
4 days ago
Winnipeg, Manitoba, Canada DataAnnotation Full-timeDataAnnotation is seeking experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your practice, run them through frontier AI systems, and grade the deliverables against a professional standard.Models can discuss biological data analysis, but cannot yet perform real work: QC an RNA-seq...
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Remote AI Model Trainer
4 days ago
Montreal, Quebec, Canada DataAnnotation Full-timeDataAnnotation is seeking a quantitative professional to help train AI models. You will evaluate AI-generated quantitative analyses, solve technical problems, and provide feedback that shapes how these systems reason about data and models. Qualifications span data science, statistics, economics, physics, biology, epidemiology, and related fields.Some team...
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AI Training Bioinformatician
4 days ago
Montreal, Quebec, Canada DataAnnotation Full-timeDataAnnotation is seeking experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your practice, run them through frontier AI systems, and grade the deliverables against a professional standard.Models can discuss biological data analysis, but cannot yet perform real work: QC an RNA-seq...
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Quantum Physicist
4 days ago
Montreal, Quebec, Canada DataAnnotation Full-timeModels can recite physics and still get it wrong: dimensional errors, misapplied approximations, and derivations that skip the step where the physics actually happens.As a Physicist you'll evaluate AI reasoning across mechanics, E&M, quantum, and thermodynamics, and write solutions with the care of a good problem-set grader.What you'll actually doCraft...
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Content Developer
1 day ago
NS, Canada DataAnnotation Full-time $62,480 - $88,987 ContractJoin to apply for the Content Developer (Physics) role at DataAnnotation.We are seeking a physics expert to join our team to train AI models. Your responsibilities will include measuring the progress of AI chatbots, evaluating their logic, and solving problems to enhance each model's quality.Requirements include a strong understanding of physics—an ongoing...
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Remote Financial Accountant
5 days ago
Montreal (administrative region), QC, Canada DataAnnotation Remote Full-time $55,000 - $172,000 ContractModels produce confident accounting answers that fail on the details: misapplied standards, broken reconciliations, and journal entries that don't balance. As an Accountant you'll grade AI output against real accounting practice and write the answers a careful professional would give. What you’ll actually do Write prompts that test how models handle...
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AI Trainer for Quantum Chemistry
3 days ago
Remote, Canada DataAnnotation Full-timeTransform AI chemistry outputs as a Quantum Chemist and AI Trainer. Your expertise will ensure proper chemical reasoning and safety in AI-generated content.As a Chemist with DataAnnotation, you will evaluate AI’s chemical reasoning, highlight errors, and provide accurate answers for complex chemical scenarios. This role requires a graduate-level chemistry...
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Front-End Web Designer
5 days ago
Toronto, ON, Canada DataAnnotation Remote Full-time $55,000 - $172,000 ContractModels can generate a slick-looking screen and completely miss the point: the flow that adds three needless steps, the hierarchy that buries the one action that matters, the contrast that fails the moment someone actually needs to read it. Someone has to tell polish from good design, and that someone is you.As a Designer you'll evaluate how models reason...
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AI Product Design Specialist
5 days ago
Toronto, ON, Canada DataAnnotation Remote Full-time $55,000 - $172,000 ContractModels can generate a slick-looking screen and completely miss the point: the flow that adds three needless steps, the hierarchy that buries the one action that matters, the contrast that fails the moment someone actually needs to read it. Someone has to tell polish from good design, and that someone is you.As a Designer you'll evaluate how models reason...
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AI Trainer
2 hours ago
Toronto, Ontario, Canada DataAnnotation Full-timeJoin to apply for the AI Trainer - Physics role at DataAnnotation.5 days ago Be among the first 25 applicants.We are looking for a physics expert to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model.In this role, you will need to hold an expert...
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Computational Public Health Researcher
3 days ago
Winnipeg, Manitoba, Canada DataAnnotation Full-timeWe're looking for experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your own practice, run them through frontier AI systems, and grade what comes back against a professional standard.The models can talk fluently about biological data analysis. What they can't yet do reliably is the...
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Computational Public Health Researcher
3 days ago
Québec, Quebec, Canada DataAnnotation Full-timeWe're looking for experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your own practice, run them through frontier AI systems, and grade what comes back against a professional standard.The models can talk fluently about biological data analysis. What they can't yet do reliably is the...
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Computational Public Health Researcher
3 days ago
Ahuntsic North, Quebec, Canada DataAnnotation Full-timeWe're looking for experienced computational biologists and bioinformaticians to help train AI models. You'll design realistic analysis tasks from your own practice, run them through frontier AI systems, and grade what comes back against a professional standard.The models can talk fluently about biological data analysis. What they can't yet do reliably is the...
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Quantum Chemist
5 days ago
Quebec, Capitale-Nationale, Canada DataAnnotation Full-timeModels routinely propose impossible mechanisms, unsafe procedures, and syntheses that no bench chemist would attempt.As a Chemist you'll evaluate AI chemical reasoning, catch what's wrong or unsafe, and write the answers a trained chemist would give.What you’ll actually doWrite prompts that probe chemical reasoning: mechanisms, synthesis routes, and...