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Software Engineer - Frontend

Alignerr

full-remotemidcontractfrontendother United States Today via LinkedIn
30,000 - 120,000 USD/annual

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Tags

JavaScriptHTMLCSSReactVueAccessibilityDOM ManipulationAsync/AwaitAI TrainingRemote Contracting

About the role

Role Overview

Software Engineer – Frontend (Contract) (Remote) Shape the data that powers frontier AI by reviewing and writing frontend code for UI/web development tasks.

What You’ll Do

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

Requirements

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

Preferred / Bonus

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

Contract & Work Details

  • Fully remote and asynchronous (minimum 15 hrs/week).
  • Hourly, at-will contractor.
  • Rolling start dates, staffed as projects launch.
  • Growth potential via high performers leading new programs and mentoring SMEs.

Interview Process

  • Screening with Zara (AI interviewer) in English.
  • Domain-specific Zara interview assessing frontend expertise, including:
    • frontend frameworks
    • state management
    • performance optimization.

About Alignerr

Alignerr is hiring a contract Frontend Software Engineer to support Labelbox, an AI data infrastructure company. Labelbox builds a data engine—through platform, expert services, and a marketplace—that helps teams iterate on data to train and improve AI models for production use.

Scraped 4/2/2026

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