Alignerr is seeking a Senior Machine Learning Engineer (AI Data Trainer) to shape how leading AI systems think and make decisions. You will author high-fidelity reasoning traces that train next-generation AI, working remotely with flexible hours of 10–40 per week.

The ideal candidate has deep expertise in machine learning and must be comfortable working independently. Responsibilities include documenting complex problem-solving strategies and ensuring the quality of training data. Join us for intellectually stimulating work that impacts AI development.