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Software Engineer - Frontend

Alignerr

full-remotemidcontractfrontend United States 22 days ago via LinkedIn
520,000 - 2,600,000 USD/annual

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Tags

JavaScriptHTMLCSSReactVueAccessibilityPerformance OptimizationDOM ManipulationAsync/AwaitRemote

About the role

Role Overview

Software Engineer - Frontend (Contract) on a fully remote, asynchronous schedule (min. 15 hrs/week). The work focuses on reviewing and writing frontend solutions to help power AI training and model improvements.

What You’ll Do

  • Review and evaluate AI-generated frontend code for:
    • correctness, efficiency, accessibility, and clarity
    • JavaScript, HTML, and CSS
  • Write high-quality frontend solutions for UI and web development problems across varying difficulty levels
  • Explain design decisions and code logic clearly and in user-friendly ways
  • Identify and flag edge cases or ambiguities in problem statements or AI responses

Requirements

  • Fluent English with strong written communication skills
  • Ability to clearly explain frontend coding concepts
  • Deep JavaScript expertise, including:
    • async/await, closures
    • DOM manipulation
    • ES6+ syntax and browser APIs
  • 3–5 years of experience with modern frontend frameworks/tools/domains (e.g., React, Vue, Angular, web development)
  • Bachelor’s degree in CS or related field (or pursuing one)

Nice to Have

  • Master’s/PhD (preferred, not required)
  • Experience with data labeling, RLHF, or other AI training projects

Interview Process

  • English screening with Zara (AI interviewer)
  • Domain-specific interview/assessment covering frontend frameworks, state management, and performance optimization

Contract & Work Details

  • Engagement: hourly, at-will contractor
  • Schedule: fully remote & asynchronous
  • Start date: rolling (as projects launch)

About Alignerr

Labelbox builds a data engine for accelerating breakthrough AI. Its platform, expert services, and marketplace help teams iterate on data to enable safer, smarter models in production.

Scraped 7/3/2026