Demo

Frontend JavaScript Engineer

Alignerr
San Francisco, CA Contractor
POSTED ON 12/18/2025
AVAILABLE BEFORE 1/16/2026
JavaScript Developer - $90/hr Remote - Alignerr

  • Location: Remote

About The Job

At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting-edge AI models.

Organization: Alignerr Position: JavaScript Developer Type: Hourly Contract Compensation: $60–$90 /hour Location: Remote Commitment: 10–40 hours/week

Role Responsibilities (Training Support Will Be Provided)

  • Evaluate AI-generated JavaScript code for DOM manipulation efficiency and ES6 standards.
  • Solve complex UI/UX challenges to test the model's ability to create responsive and interactive elements.
  • Create human-readable documentation explaining the flow of state and event handling in scripts.
  • Identify bugs or anti-patterns in AI-generated frontend logic and provide optimized alternatives.

Requirements

  • Bachelor's degree or higher in Computer Science or a related technical field preferred.
  • Deep familiarity with core JavaScript concepts (async/await, closures, DOM manipulation).
  • 3-5 years of experience with modern frameworks like React, Node.js, or Vue.

Preferred

  • Experience with data labeling, RLHF, or other AI training projects.

Application Process (Takes 15-20 min)

  • Submit your resume
  • Complete a short screening
  • Project matching and onboarding

Salary : $60 - $90

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