Data Annotation Specialist, Data Science

Stack

Responsibilities

• ▹Evaluate the model's ability to respond to coding requests, workflows, and code base-related questions using available tools
• ▹Assess agent trajectories and model capabilities for code generation, tabular and graphic manipulation, and debugging requests
• ▹Prompt models to complete complex data science tasks and review the accuracy of generated responses
• ▹Label, proofread, and improve machine-written and human-written software engineering-related outputs
• ▹Report quality and performance trends related to model/agent behaviour and project assignments

Requirements

• ▹Exceptional data analysis and visualization skills
• ▹3+ years of relevant industry experience working on real-world data science problems and pipelines
• ▹Proficient knowledge of Python and industry-standard data science packages (numpy, pandas, matplotlib, sqlite, or others)
• ▹Strong understanding of SQL syntax and workflows; familiarity with file/data formats such as markdown, JSON, XML, YAML, HTML
• ▹Prior experience re-writing, proofreading, and delivering feedback on code

Nice to have

• ▹Familiarity with code agents (OpenCode, Claude Code, Codex) or evaluating agent trajectories

Soft skills

What we offer

• ▹Fully remote, BYOD (bring-your-own-device) work within Canada
• ▹40 CAD/hour contract rate, minimum 16 hours per week
• ▹12-month contract with performance incentives
• ▹Independent contractor status — may work with multiple clients simultaneously

About the company

Cohere is the leading security-first enterprise AI company, building cutting-edge foundation AI models and end-to-end products that solve real-world business problems. A global technology company co-headquartered in Toronto and San Francisco, with offices in London, New York City, Montreal, Seoul, Germany, and Paris.