Senior Machine Learning Engineer

Alignerr

📍 Vancouver, Metro Vancouver Regional District, Canada

Full-time Other-General Posted February 23, 2026

Job Description

Senior Machine Learning Engineer - AI Data Trainer

About The Job

At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting‑edge AI models. This project is about capturing how an LLM reasons and takes actions step by step to solve real tasks. Annotators write clear, structured traces that show planning, tool use, and decision making, creating data that trains models to reason more reliably in real world scenarios.

Organization: Alignerr
Position: Senior Machine Learning Engineer - AI Data Trainer
Type: Hourly Contract
Compensation: $60–$80 /hour
Location: Remote
Commitment: 10–40 hours/week

What You’ll Do

  • Lead the authorship of complex, high‑fidelity reasoning traces for sophisticated technical tasks.
  • Mentor and review structured traces to ensure optimal planning and tool‑use documentation.
  • Design d...