Software Engineer - Frontend
Alignerr
full-remotemidcontractfrontend United States Today via LinkedIn
30,000 - 120,000 USD/annual
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JavaScriptHTMLCSSReactVue.jsAccessibilityDOM ManipulationCode ReviewPerformance OptimizationRemote
About the role
Role Overview
Software Engineer – Frontend (Contract)
- Fully remote and asynchronous (minimum 15 hrs/week)
- Hourly, at-will contractor with rolling start as projects launch
- Opportunity to improve models used by top AI labs and Fortune 500 teams
Responsibilities
- Review and evaluate AI-generated frontend code for:
- correctness, efficiency, accessibility, and clarity
- Write high-quality frontend solutions for UI and web development problems across varying difficulty levels
- Explain design decisions and code logic clearly for users and/or reviewers
- Identify and flag edge cases or ambiguities in problem statements or AI responses
Requirements
- Fluent English with strong written communication and 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 or web development)
- Bachelor’s degree (or pursuing) in Computer Science or related field
Nice to Have
- Master’s or 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 assessing frontend expertise, including:
- frontend frameworks, state management, and performance optimization
About Alignerr
Labelbox builds the data engine that accelerates breakthrough AI. Its platform, expert services, and marketplace help teams iterate on data to enable safer, smarter models in production for research labs and enterprises.
Scraped 4/10/2026