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First seen by our source: 19 days ago

Frontend Engineer - AI Coding Expert

@ Mercor

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Toronto, Ontario

$85/hr2+ years experience
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SIGNALS

Overview

Mercor is hiring a remote contract Frontend Engineer to use AI coding agents to complete and evaluate frontend engineering tasks for AI research labs. The work involves reviewing model-generated frontend code for correctness, accessibility and performance, and comparing outputs across frontier models. Pay is $85 per hour, with $400 per accepted task.

Pay:

$85 an hour

Responsibilities:

  • Use AI coding agents to complete and evaluate frontend tasks
  • Review model-generated frontend code for quality and accessibility
  • Identify bugs, edge cases and failure modes
  • Compare outputs from multiple frontier models

Requirements summary:

  • 2+ years of professional frontend engineering experience
  • Experience with React, TypeScript, JavaScript or similar
  • Regular use of AI coding agents such as Cursor or Claude Code
  • Ability to evaluate model-generated frontend implementations

Tools & skills

ReactTypeScriptJavaScriptCursorClaude CodeCodexWindsurfGemini CLI
Source and dates

Source type not verified · manatal

Employer posting date
Not provided
First seen by our source
2026-10-18
Source record updated
2026-10-18

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentSoftware development
Experience2+ years
Travelair: none · ground: none
Work settingHome
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Mercor

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

We connect human expertise with leading AI labs and enterprises to train frontier models.

Full company description

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

LinkedIn followers
654,507
People associated on LinkedIn
5,250
Reported office locations
  • San Francisco, California 94105, US
Business categories
  • Employment
  • Software
  • Recruiting
  • Data Collection and Labeling
  • Artificial Intelligence (AI)
  • Machine Learning
Other recorded names
  • Mercor
Profile identifies a recruitment agency
Yes
Reported total investment
483,600,000

Currency and observation date were not supplied; this is not a current valuation or a funding round.

View all jobs Website

Mercor is defining the future of work. We connect human expertise with leading AI labs and enterprises to train frontier models.

FieldValue
IndustrySoftware Development
Company size51-200 employees
HeadquartersSan Francisco, California
Organization typePrivately Held
Year founded2023
Open jobs on Jobsy1,626
LinkedInView page
Job description

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 (Coding Agent Experience)
Type: Contract
Compensation: $85/hour
Location: Remote

Role Responsibilities

  • Use frontier AI coding agents to complete and evaluate complex engineering tasks.
  • Review model-generated frontend code for correctness, quality, maintainability, accessibility, and performance.
  • Identify bugs, edge cases, and failure modes in model outputs.
  • Compare outputs from multiple frontier models and assess their strengths and weaknesses.
  • Apply professional engineering judgment to realistic frontend engineering scenarios.

Qualifications

Must-Have

  • 2+ years of professional frontend engineering experience.
  • Experience building modern web applications using React, TypeScript, JavaScript, or similar technologies.
  • Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools.
  • Ability to evaluate model-generated frontend implementations, UI architecture, and performance optimizations.

Preferred

  • Experience working on large-scale consumer or enterprise applications.

Compensation & Legal

  • $400 per accepted task
  • Compensation tied to accepted work

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: https://talent.docs.mercor.com/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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