Remote Frontend JavaScript Engineer for AI Training

Alignerr; Seattle (WA); On-site; USD 55,000 - 83,000; Part time

Job summary

Alignerr is seeking a Frontend JavaScript Engineer (AI Training) for a fully remote hourly contract. You will evaluate and improve AI-generated JavaScript, ensuring code quality and performance across modern ES6+ ecosystems.

The role emphasizes independent work, strong JS expertise, and clear technical communication. You will collaborate on challenging frontend tasks, optimize AI-driven code, and produce documentation detailing state flow and event handling.

Qualifications

• 3–5 years of practical frontend experience with modern frameworks such as React or Vue.
• Deep knowledge of core JavaScript concepts, ES6+ and DOM manipulation.
• Strong ability to write clean, maintainable frontend code and explain technical reasoning clearly.

Responsibilities

• Evaluate AI-generated JavaScript code for correctness, efficiency, and standards compliance.
• Assess DOM manipulation approaches and identify performance issues or anti-patterns.
• Tackle complex UI/UX challenges to test the model's ability to produce responsive frontend solutions.
• Identify bugs or suboptimal patterns in AI-generated frontend logic and propose optimized alternatives and documentation.

Skills

JavaScript

React

Vue

Node.js

Async/await

Education

Bachelor's degree in Computer Science or related field

Tools

React

Vue

Node.js

Job description

Alignerr is seeking a Frontend JavaScript Engineer (AI Training) for a fully remote hourly contract. You will evaluate and improve AI-generated JavaScript, ensuring code quality and performance across modern ES6+ ecosystems.

The role emphasizes independent work, strong JS expertise, and clear technical communication. You will collaborate on challenging frontend tasks, optimize AI-driven code, and produce documentation detailing state flow and event handling.