Remote Senior ML Engineer — LLM Reasoning Architect

Alignerr Corp.; Australia; Remote; AUD 165,000 - 276,000; Full time

Job summary

Alignerr is seeking a Senior Machine Learning Engineer to author the reasoning traces that teach large language models how to think — step by step, decision by decision. This fully remote, hourly contract role invites senior engineers who can translate complex problem-solving into clear, structured, high-fidelity documentation.

You will collaborate with AI research teams, design data strategies for multi-step reasoning, and mentor trace quality.

Qualifications

• Hands-on experience in ML/AI research or related fields.
• Deep understanding of LLM reasoning, planning, and decision-making processes.
• Ability to decompose complex problems into clear, logical, well-documented steps.
• Experience with evaluation or training methodologies for LLMs.

Responsibilities

• Author complex, high-fidelity reasoning traces for real-world tasks.
• Document step-by-step planning, tool use, and decision-making clearly.
• Design data strategies to help LLMs navigate multi-step problem solving.
• Review and mentor trace quality to ensure optimal planning and tool-use documentation.
• Collaborate with AI research teams to set and maintain quality standards for reasoning data.
• Work independently and asynchronously — on your own schedule.

Skills

ML research

LLM reasoning

Documentation

Independent work

Communication

Job description

Alignerr is seeking a Senior Machine Learning Engineer to author the reasoning traces that teach large language models how to think — step by step, decision by decision. This fully remote, hourly contract role invites senior engineers who can translate complex problem-solving into clear, structured, high-fidelity documentation.

You will collaborate with AI research teams, design data strategies for multi-step reasoning, and mentor trace quality.