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Senior Machine Learning Engineer

Actively Reviewing the Applications

Alignerr

India, Maharashtra, Mumbai Contract On-site

Posted 3 weeks ago • Apply by June 9, 2026

Job Description

Senior Machine Learning Engineer - AI Data Trainer

Location: Remote

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 data strategies that help LLMs navigate intricate real-world decision-making scenarios.

Requirements

Significant experience in Machine Learning or related technical fields, with a focus on model reasoning.
Proven ability to decompose complex problems into clear, logical, and documented steps.
Experience with advanced LLM evaluation and training methodologies.

Preferred

Prior experience with data annotation, data quality, or evaluation systems.
Top-tier Kaggle competition results (e.g., Grandmaster/Master level), demonstrating a deep understanding of model performance and feature engineering.

Why Join Us