Jobs and Careers
LA
Frontend JavaScript Engineer
LabelboxSan Francisco, United Statesfull_timeVerifiedPosted 18 Dec 2025
💰 $180,000/yr($120,000/yr – $180,000/yr)
About the role
JavaScript Developer - $90/hr Remote - Alignerr
- Location: RemoteAbout the jobAt 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/weekRole 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
- Location: RemoteAbout the jobAt 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/weekRole 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
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s