AI Trainer Jobs in Canada
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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 safety.
What You’ll Do
- Perform RLHF evaluations (pairwise ranking, rubric-based scoring) and write clear rationales
- Execute prompt evaluation for instruction-following, factuality, and safety
- Label and validate datasets for NLP and content safety labeling
- Run QA evaluation checks (consistency, agreement, systematic error discovery)
- Document edge cases and build error taxonomies to drive model performance improvement
- Collaborate on rubrics, gold sets, calibration, and regression testing for model updates
Skills And Qualifications
- Experience with structured evaluation and guideline-driven judgment
- Strong writing and documentation for rationales and edge-case notes
- Familiarity with RLHF, LLM evaluation, and prompt evaluation workflows
- Comfort with data labeling, QA evaluation, and training data quality processes
- Bonus: multilingual evaluation, NER/classification tasks, or multimodal evaluation
How To Apply
Browse roles on Rex.zone and apply with a resume highlighting RLHF, data labeling, QA evaluation, annotation guidelines compliance, and examples of model evaluation feedback.
Hourly base pay range: $30–$50.
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AI Trainer Jobs in Canada
3 days ago
Vancouver, Metro Vancouver Regional District, Canada Rex.zone Full-timeAbout 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...
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Canada Residents
3 days ago
Vancouver, BC, Greater Vancouver Regional District, BC; British Columbia, Canada Prolific Full-time €18 TemporaryAbout Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Survey Participants - Canada About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and...
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AI Trainer
2 days ago
Vancouver, BC, Greater Vancouver Regional District, BC; British Columbia, Canada Prolific Full-time €30 TemporaryAI Trainer – Advanced Arabic Fluency (Canada) Posted 3 days ago – be among the first 25 applicants. About Prolific: Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study...
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Canada Residents
3 days ago
Vancouver, Metro Vancouver Regional District, Canada Prolific Full-timeAbout ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.Survey Participants - CanadaAbout ProlificProlific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.Over 35,000 AI developers, researchers, and...
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AI Trainer
2 days ago
Vancouver, Metro Vancouver Regional District, Canada Prolific Full-timeAI Trainer – Advanced Arabic Fluency (Canada) Posted 3 days ago – be among the first 25 applicants. About Prolific: Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants...
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AI Content Trainer
15 hours ago
Vancouver, BC, Greater Vancouver Regional District, BC; British Columbia, Canada Work Vista Full-timeJoin to apply for the AI Content Trainer (Remote) role at Work Vista Role Overview: We are hiring on behalf of one of our clients, a leading global player in the AI space. This remote, part-time contract role focuses on teaching and refining AI models through high-quality content creation and instructional feedback. You will generate original training...
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Personal Trainer
15 hours ago
Vancouver, British Columbia, Canada Club Full-time $90,000 ContractWe’ve been alerted to fraudulent emails, phone calls and offer letters impersonating Fitness World and targeting job candidates.Please note:Fitness World does not offer remote roles — all recruitment is conducted in person.We will contact applicants directly regarding their application.We never request sensitive information (e.g., SIN, banking details)...
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Personal Trainer
15 hours ago
North Vancouver, British Columbia, Canada Club Full-time $90,000 ContractWe’ve been alerted to fraudulent emails, phone calls and offer letters impersonating Fitness World and targeting job candidates.Please note:Fitness World does not offer remote roles — all recruitment is conducted in person.We will contact applicants directly regarding their application.We never request sensitive information (e.g., SIN, banking details)...
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AI Content Trainer
15 hours ago
Vancouver, Metro Vancouver Regional District, Canada Work Vista Full-timeJoin to apply for the AI Content Trainer (Remote) role at Work Vista Role Overview: We are hiring on behalf of one of our clients, a leading global player in the AI space. This remote, part-time contract role focuses on teaching and refining AI models through high-quality content creation and instructional feedback. You will generate original training data,...
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AI Trainer for Ophthalmology
5 days ago
Vancouver, BC, Greater Vancouver Regional District, BC; British Columbia, Canada Outlier Full-timeAI Trainer for Ophthalmology (Outlier) Outlier is the world’s leading expert platform, connecting a network of over 100,000 contributors worldwide to improve AI models by providing expert human feedback. We partner with companies including OpenAI, Meta and Microsoft to enable advanced generative AI models to deliver accurate responses and advanced...
