Remote ML Data Trainer for Advanced AI Reasoning

Alignerr Corp.; España; Remote; EUR 55,000 - 165,000; Part time

Job summary

Alignerr is seeking a Machine Learning Engineer (AI Data Trainer) for a fully remote, hourly contract role. You will craft precise reasoning logs that demonstrate how to approach complex ML problems, including tool usage and decision paths, to train state-of-the-art models.

The ideal candidate has a strong ML or software engineering background and can articulate the reasoning process clearly, step by step, while working independently in a flexible, globally distributed team.

Qualifications

• Experience in ML or software engineering.
• Ability to articulate complex reasoning step-by-step.
• Self-directed with asynchronous work.

Responsibilities

• Construct precise, well-structured reasoning logs showing strategy, tool use, and decisions at each step.
• Demonstrate expert approaches to ML and engineering challenges to generate useful training data.
• Create annotated workflows illustrating tool interactions from framing to solution.
• Review AI-generated reasoning sequences to identify gaps and improvements.
• Produce high-quality training datasets to improve LLM performance on real tasks.

Skills

Machine Learning

Software Engineering

Problem-Solving

Independent Work

Attention to Detail

Education

Master's Degree or PhD in ML/CS

Tools

LLM Prompts

Data Annotation Tools

Job description

Alignerr is seeking a Machine Learning Engineer (AI Data Trainer) for a fully remote, hourly contract role. You will craft precise reasoning logs that demonstrate how to approach complex ML problems, including tool usage and decision paths, to train state-of-the-art models.

The ideal candidate has a strong ML or software engineering background and can articulate the reasoning process clearly, step by step, while working independently in a flexible, globally distributed team.