ML Evaluation Designer - Expert at Mercor

Position ML Evaluation Designer - Expert
Posted 12 Jun 2026
Expired 12 Jul 2026
Company Mercor
Location Dublin | IE
Job Type Full Time

Job Description:

Latest job information from Mercor for the position of ML Evaluation Designer - Expert. If the ML Evaluation Designer - Expert vacancy in Dublin matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at Mercor for the position of ML Evaluation Designer - Expert below matches your qualifications.

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Code-Data Eval Author — Machine Learning Engineer
Type:Contract
Compensation:$45–$140/hour
Location:Remote
Commitment:30+ hours/week

Role Responsibilities

  • Design ML/LLM evaluation tasks, rubrics, and metrics to enhance model performance.
  • Grade model/agent outputs and improve evaluation quality through thorough review.
  • Apply training-side judgment in SFT, RLHF, and reward modeling to evaluation design.
  • Collaborate with AI research teams to refine evaluation signals and improve model outputs.
  • Work independently and asynchronously to meet deadlines and improve AI model performance.

Qualifications

Must-Have

  • 5+ years as a Machine Learning Engineer with hands-on training and evaluation experience.
  • Proficiency in PyTorch, JAX, and Hugging Face.
  • Strong written communication skills.

Preferred

  • Fluency in SFT, RLHF, reward modeling, and evaluation metrics.

Interview Process

  • Mercor Technical Screen: Short assessment.
  • Live Code Review Session: Interactive evaluation.
  • Domain Expert Interview: In-depth discussion.
    You're paid $200 for completing all three, regardless of outcome.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check:
  • For any help or support, reach out to:

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

Job Info:

  • Company: Mercor
  • Position: ML Evaluation Designer - Expert
  • Work Location: Dublin
  • Country: IE

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information ML Evaluation Designer - Expert at the office Dublin above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.

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