Posted Aug 31, 2026

Data Annotation Specialist, Generalist

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About the position Cohere is seeking Generalist professionals with broad backgrounds for a part-time independent contractor position in Canada. This role is crucial for improving Large Language Models (LLMs) by labeling, ranking, auditing, and correcting model outputs. You will work with English-language data across text, image, and structured formats, applying strong analytical and judgment skills to evaluate, stress-test, and enhance model performance. This is a judgment-driven role focused on improving AI systems. Responsibilities • Evaluate and rank model outputs, assessing responses based on accuracy, helpfulness, tone, and safety, and providing clear justifications. • Stress-test models by probing for failure modes, unsafe behavior, and capability gaps, documenting reproducible cases. • Create datasets by authoring prompts, responses, and exemplars, and editing existing outputs. • Build and apply rubrics and taxonomies for grading criteria. • Annotate, audit, and correct inaccuracies across text, image, and structured data. • Participate in calibration exercises and inter-annotator agreement checks to maintain consistency. • Adapt to new and evolving task types, applying sound judgment to experimental work. • Report on model performance, providing feedback on where models succeed, fail, and degrade. Requirements • 1+ years of experience in AI data annotation, LLM evaluation, content moderation, research, or a related analytical role. • Experience with quality assurance and/or preference ranking. • Experience applying detailed guidelines to complex and often ambiguous content. • Strong contextual and sociocultural judgment, sensitivity to nuance, tone, and register. • Ability to reason well in cases where there is no single correct answer. • Comfort with ambiguity and willingness to flag unclear edge cases. • Ability to work productively on novel, experimental tasks. • A sharp eye for inconsistencies, subtle errors, and model failure modes. • Excellent command of written English and strong reading comprehension. • Ability to clearly justify evaluations and write clear prompts and exemplars. • Strong attention to detail and commitment to accuracy. • Ability to maintain consistency across high-volume and monotonous tasks. • Comfort working with annotation platforms and structured formats such as JSON, CSV/TSV, Markdown, XML, and YAML. • Strong execution in a remote environment, including good time management, comfort using new tools, and ability to work independently. • Must be located within Canada. • Ability to commit to 16 hours per week. • Must have a laptop (BYOD). Nice-to-haves • Familiarity with how large language models behave, such as hallucination, sycophancy, and instruction-following gaps. • Fluency in another language. Benefits • Independent contractor agreement • Opportunity to work with cutting-edge AI models • Flexible scheduling (16 hours per week commitment) • Remote work environment