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Software Engineer - Frontend

Alignerr

full-remotemidcontractfrontend United States 2 days ago via LinkedIn
30,000 - 120,000 USD/annual

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Tags

JavaScriptHTMLCSSReactVueAccessibilityAsync/AwaitDOM ManipulationPerformance OptimizationRLHF

About the role

Role overview

Software Engineer — Frontend (Contract) (fully remote & asynchronous). You’ll help improve the quality of AI-generated frontend code and build correct, accessible UI solutions that support AI model development.

What you’ll do

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

Requirements

  • Fluent English and strong written communication skills
  • Ability to clearly explain frontend coding concepts
  • Strong JavaScript expertise, including:
    • async/await
    • closures
    • DOM manipulation
    • ES6+ syntax
    • browser APIs
  • 3–5 years experience with modern frontend frameworks/tools/domains (e.g., React, Vue, Angular is a plus)
  • Bachelor’s degree (or pursuing) in Computer Science or related field
  • Master’s/PhD preferred (not required)

Bonus / nice to have

  • Experience with data labeling, RLHF, or other AI training projects

Working model

  • Work from anywhere with a flexible workload
  • Fully remote & asynchronous, minimum 15 hours/week

Interview process

  • English screening with Zara (AI interviewer)
  • Domain-specific Zara interview to assess frontend expertise, including:
    • frontend frameworks
    • state management
    • performance optimization

About Alignerr

Alignerr is a hiring platform engaging contract frontend talent to help with projects in AI data/labeling workflows. The posting references Labelbox, which builds a data engine for accelerating breakthrough AI using a platform, expert services, and a marketplace for iterating on data used to train safer, smarter models in production.

Scraped 4/23/2026

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