Software Engineer - Frontend

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Software Engineer - Frontend

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Alignerr

Quick facts

Engagement – Hourly, at‑will contractor

Schedule – Fully remote & asynchronous (min.15hrs/week)

Pay Range (US) – $25–$100 per hour

Start Date – Rolling — staffed as projects launch

What You’ll Do

Review and evaluate AI-generated frontend code (JavaScript, HTML, CSS) for correctness, efficiency, accessibility, and clarity

Write high‑quality frontend solutions to UI and web development problems across varying difficulty levels

Create clear, user‑friendly explanations for design decisions, code logic, and problem‑solving strategies

Identify and flag edge cases or ambiguities in problem statements or AI responses

You’re a great fit if

Fluent in English, with strong written communication skills and the ability to clearly explain frontend coding concepts

Expertise in JavaScript: Deep familiarity with core JavaScript features such as async/await, closures, DOM manipulation, ES6+ syntax, and browser APIs

3–5 years of experience with modern frontend frameworks, tools, or domains (e.g., React, Vue, Angular, web development) is a plus

Bachelor’s degree (or pursuing one) in Computer Science or a related field. Master’s or PhD preferred, but not required.

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

About The Role

Flexible workload – work from anywhere, on your own schedule

High impact – your craft directly improves models used by top AI labs & Fortune 500 teams

Clear ownership – know exactly what success looks like and have autonomy to deliver

Growth potential – consistent high performers spearhead new programs and mentor incoming SMEs

Interview Process

Complete a screening with Zara, our AI interviewer in English, to learn more about your background and experience.

Domain‑specific Zara interview to assess your frontend expertise, including frontend frameworks, state management, and performance optimization.

About Labelbox: Labelbox builds the data engine that accelerates breakthrough AI. Our platform, expert services, and marketplace let teams iterate on data as nimbly as they iterate on code, enabling safer, smarter models in production. We’re backed by SoftBank, Andreessen Horowitz, BCapital, GradientVentures, DatabricksVentures, and KleinerPerkins, and trusted by leading research labs and enterprises worldwide.

Ready to Apply?

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“Apply”

above, and take one or more domain specific assessments. We review candidates on a rolling basis and will contact you if your background matches an active project.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Seniority level: Mid‑Senior level.

Employment type: Full‑time.

Job function: Engineering and Information Technology.

Industries: Technology, Information and Internet.

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