Senior Machine Learning Engineer - AI Data Trainer
Alignerr
Cambridge, England, United Kingdom
Remote
Base pay range: $60.00/hr – $80.00/hr
Commitment: 10–40 hours/week
Contract type: Hourly Contract
About The Job
At Alignerr, we partner with world‑leading AI research teams to build and train cutting‑edge models. This project focuses on 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.
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).
Why Join Us
* Competitive pay and flexible remote work.
* Collaborate with a team on cutting‑edge AI projects.
* Exposure to advanced LLMs and training processes.
* Freelance perks: autonomy, flexibility, and global collaboration.
* Potential for contract extension.
Application Process (15‑20 min)
* 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.
Seniority level
Mid‑Senior level
Employment type
Contract
Job function
Engineering and Information Technology
Technology, Information and Internet
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