Remote ML Engineer: AI Reasoning Data Trainer (Contract)

Alignerr; New Zealand; On-site; NZD 95,000 - 166,000; Full time

Job summary

Alignerr is seeking a Machine Learning Engineer (AI Data Trainer) for a fully remote hourly contract. You will create training data that teaches AI models to plan, use tools, and reason across real-world scenarios.

You’ll work independently on a flexible schedule, with 10–40 hours per week, contributing to frontier AI research and model evaluation. The role emphasizes writing clear, multi-step reasoning, documenting expert approaches, and refining decision-making workflows for logical

Qualifications

• Background in Machine Learning, Computer Science, or closely related technical field.
• Ability to articulate complex logical and technical reasoning in writing.
• Analytically sharp and able to identify where reasoning breaks down.
• Detail-oriented and methodical in structured tasks.

Responsibilities

• Author detailed, structured reasoning traces showing how an expert would approach tasks.
• Capture step-by-step planning, tool use, and decision-making clearly.
• Produce training data teaching LLMs to reason reliably in real-world scenarios.
• Evaluate and refine AI decision-making workflows for consistency and accuracy.
• Work independently and asynchronously on your own schedule.

Skills

Background in ML/CS

Clear written reasoning

Analytical thinker

Detail-oriented

Self-motivated

Job description

Alignerr is seeking a Machine Learning Engineer (AI Data Trainer) for a fully remote hourly contract. You will create training data that teaches AI models to plan, use tools, and reason across real-world scenarios.

You’ll work independently on a flexible schedule, with 10–40 hours per week, contributing to frontier AI research and model evaluation. The role emphasizes writing clear, multi-step reasoning, documenting expert approaches, and refining decision-making workflows for logical