HubMub
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Mercor

Front-End Developer

Mercor
Netherlands · Part-time · Not Applicable
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: Frontend Engineer

Type: Freelance

Compensation: $80–$120/hour

Location: Remote

Duration: 1 month

Commitment: 15–20 hours/week

Role Responsibilities

  • Develop and validate coding benchmarks in React, TypeScript, or JavaScript by curating issues, solutions, and test suites from real-world repositories.
  • Ensure benchmark tasks include comprehensive unit and integration tests for solution verification.
  • Maintain consistency and scalability of benchmark task distribution.
  • Provide structured feedback on solution quality and clarity.
  • Debug, optimize, and document benchmark code for reliability and reproducibility.
  • Work independently and asynchronously with flexible hours to improve AI systems.

Qualifications

Must-Have

  • 3–10 years of experience as a frontend engineer.
  • Degree in Software Engineering, Computer Science, or a related field.
  • Strong proficiency in React, TypeScript, or JavaScript.
  • Experience with debugging, testing, and validating code.
  • Comfortable with technical writing and attention to detail.

Start Date

  • Immediate

Compensation & Legal

  • Independent contractor
  • Daily payment via Stripe Connect

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role
  • Brief assessment testing real-world coding ability, technical depth, and debugging approach
  • Follow-up communication within a few days with next steps and onboarding details

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome
  • For any help or support, reach out to: [email protected]

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

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Key Skills

Ranked by relevance

ai typescript react javascript san
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Country Guide

Netherlands

30% Tax Ruling for expats

Posted
Dec 15, 2025
Type
Part-time
Level
Not Applicable
Location
Brabantine City Row
Company
Mercor

Industries

Software Development

Categories

Engineering

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