Human Resources (HR) Specialist  $35 –$55/hr   Remote UK

Human Resources (HR) Specialist $35 –$55/hr Remote UK

Posted 2 days ago by GroRapid Labs

£55 Per hour
Outside
Remote
London Area, United Kingdom

Summary: Mercor is looking for a Human Resources Specialist to assist in an AI research initiative by writing and validating HR-focused prompts for training large language models. The role requires collaboration with a project team to ensure compliance with HR best practices and operational workflows. Candidates must have significant HR experience and strong communication skills. This is a fully remote contract position with flexible hours.

Key Responsibilities:

  • Write high-quality HR scenario-based prompts to train AI systems
  • Review and validate prompt-response pairs for accuracy, clarity, and relevance
  • Evaluate AI-generated outputs and provide structured feedback
  • Ensure alignment with current HR best practices, compliance standards, and operational workflows
  • Collaborate asynchronously with the project team to meet quality expectations

Key Skills:

  • 3+ years of professional experience in Human Resources or People Operations
  • Bachelor's degree in HR, Organizational Psychology, Business, or a related field
  • Strong knowledge of hiring processes, onboarding, employee relations, benefits, compliance, and HR documentation
  • Excellent written and verbal communication skills
  • Attention to detail and ability to provide clear, constructive feedback
  • Must be able to complete a 25-minute screen-sharing task as part of the interview
  • Desktop or laptop required (mobile applications not supported)

Salary (Rate): £55 hourly

City: London Area

Country: United Kingdom

Working Arrangements: remote

IR35 Status: outside IR35

Seniority Level: Mid-Level

Industry: HR

Detailed Description From Employer:

Human Resources Specialist – AI Prompt Writing (Remote, Contract)

Compensation: $35–$55 per hour (Hourly contract)

Location: Remote (Candidates must be based in the United States, United Kingdom, or Canada )

About the Role

Mercor is seeking experienced Human Resources Specialists to support a high-impact AI research initiative. In this role, you’ll help train large language models (LLMs) by writing, reviewing, and validating HR-focused prompts and evaluating AI-generated responses. Your expertise will directly contribute to the development of AI tools that better understand real-world HR operations, compliance, and employee support practices.

Key Responsibilities

  • Write high-quality HR scenario-based prompts to train AI systems
  • Review and validate prompt-response pairs for accuracy, clarity, and relevance
  • Evaluate AI-generated outputs and provide structured feedback
  • Ensure alignment with current HR best practices, compliance standards, and operational workflows
  • Collaborate asynchronously with the project team to meet quality expectations

What We’re Looking For

  • 3+ years of professional experience in Human Resources or People Operations
  • Bachelor's degree in HR, Organizational Psychology, Business, or a related field
  • Strong knowledge of hiring processes, onboarding, employee relations, benefits, compliance, and HR documentation
  • Excellent written and verbal communication skills
  • Attention to detail and ability to provide clear, constructive feedback
  • Must be able to complete a 25-minute screen-sharing task as part of the interview
  • Desktop or laptop required (mobile applications not supported)

Role Highlights

  • Flexible workload: 10–20 hours/week (with potential to increase to 40)
  • Fully remote and asynchronous work
  • Minimum contract duration: 1–2 months (with possibility for extension)
  • Paid weekly via Stripe Connect
  • Legally classified as an independent contractor for Mercor

Interview Process

  • AI-based interview to assess your HR knowledge and practical experience
  • Live screen-sharing task: write a prompt and evaluate LLM outputs
  • Selection based on prompt quality, evaluation accuracy, and overall communication