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