Senior Machine Learning Engineer - AI Data Trainer

Senior Machine Learning Engineer – AI Data Trainer

Join the Alignerr team. We partner with the world’s leading AI research teams and labs to build and train cutting‑edge AI models.

$60.00 /hr – $80.00 /hr (Hourly contract)

Location: Remote
Hours: 10–40 per week

• 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.

• 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.

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

• Competitive pay and flexible remote work.
• Collaborate with a team working on cutting‑edge AI projects.
• Exposure to advanced LLMs and how they’re trained.
• Freelance perks: autonomy, flexibility, and global collaboration.
• Potential for contract extension.

• Submit your resume.
• Complete a short screening.
• Project matching and onboarding.

PS:
Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Mid‑Senior level

Contract

Engineering and Information Technology

Technology, Information and Internet

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