Senior ML Engineer: AI Reasoning & Traces Lead (Remote)

Company: Alignerr
Apply for the Senior ML Engineer: AI Reasoning & Traces Lead (Remote)
Location: Cambridge
Job Description:

Alignerr is searching for a Senior Machine Learning Engineer – AI Data Trainer. This remote position involves leading the authorship of complex reasoning traces for AI models and mentoring annotators to ensure high-quality documentation.

The ideal candidate has significant experience in machine learning, especially in model reasoning, and can effectively decompose complex problems. Enjoy competitive pay and the chance to work with cutting-edge AI technology on a flexible schedule.

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Posted: June 3rd, 2026