About the role

Role Overview

Software Engineer - Frontend (Contract)

Engagement: Hourly, at-will contractor
Schedule: Fully remote & asynchronous (min. 15 hrs/week)
Start date: Rolling (staffed as projects launch)
Pay (US): $25–$100/hour

What You’ll Do

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

Requirements

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

Nice to Have

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

Interview Process

Screening with Zara (AI interviewer) in English
Domain-specific interview/assessment covering:
- frontend frameworks
- state management
- performance optimization

About Alignerr

Labelbox (Alignerr listing) builds a data engine for accelerating breakthrough AI. Its platform, expert services, and marketplace help teams iterate on data for safer, smarter models in production, supporting both research labs and enterprise customers. The company is backed by major venture firms and investors and is used worldwide.

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