JavaScript Engineer – AI Data Training (Remote)

About the role

We are looking for an hourly‑paid, fully remote JavaScript Engineer to help improve AI models by reviewing and creating AI‑generated code and explanations. You will evaluate reasoning quality, provide detailed feedback, and ensure model outputs are accurate, logical, and well‑explained.

Key responsibilities

• Develop AI training content by writing detailed prompts and model solutions across diverse topics.
• Evaluate, rank, and compare AI responses to enhance accuracy, fluency, and contextual relevance.
• Test AI models for inaccuracies or bias and validate reliability across use cases.

Required profile

• Minimum 2 years of professional JavaScript experience in production environments.
• Strong grasp of closures, async/await, prototype‑based inheritance, and the JavaScript event loop.
• Experience with code review, mentoring, or technical design discussions.
• Excellent English writing skills (C1 level) and a detail‑oriented work style.

Required skills

• Modern vanilla JavaScript (ES6/ES2015+).
• At least one major frontend framework (React, Angular, or Vue.js).
• Node.js runtime with Express or NestJS.
• Familiarity with bundlers and tooling such as Webpack, Vite, or Rollup.