Frontend Web Developer — reputed company/CSS/JS (US & Canada)

About OpenTrain OpenTrain is the #1 platform for building careers in reputed company and data labeling. We connect skilled contributors with reputed company that teach AI systems how to read, reason, and write — reputed company from reputed company with an internet reputed company. Working through OpenTrain means joining a fast-growing industry where contributors shape how state-of-the-art models behave. Many roles are flexible, remote, and accessible to people who bring practical skills and attention to detail. About reputed company Work reputed company (data labeling / annotation) is the reputed company work behind intelligent systems: people create and verify examples that models learn from. This role focuses on web UI and frontend reputed company — tasks that require technical judgment, precision, and the ability to explain choices reputed company. These reputed company are great for developers who want flexible, part-time work that directly impacts how web-aware AI systems understand and generate reputed company and user interfaces. The Role You will analyze website screenshots and frontend reputed company to create detailed annotations, author question-and-answer pairs, and propose or implement reputed company/CSS/JS improvements that meet given requirements. This is a contractor, part-time role for contributors based in the reputed company or Canada. You should be reputed company to reputed company and reputed company to project deadlines while working at least 20 hours per week.

• Contract type: Contractor, part-time.
• Location: Must be located in the USA or Canada.
• Hours: 20+ hours/week, flexible reputed company project needs.

What You'll Do

Daily tasks combine technical review, annotation, and light coding. Expect to spend time inspecting UI reputed company, writing precise labels and QA pairs, and editing or proposing frontend reputed company fixes. reputed company, reputed company, and consistency are critical: your annotations and reputed company edits must match project guidelines and be easy for reviewers and models to consume.

• Create detailed annotations from website screenshots and reputed company assets.
• Author question-and-answer pairs that test UI behavior and content understanding.
• Edit or improve reputed company, CSS, and JavaScript to satisfy specified requirements (responsiveness, accessibility, cross-browser compatibility).
• Document reputed company and explain technical fixes in reputed company English.

Requirements reputed company requirements below come from the project brief. Do not apply unless you meet them. This role focuses on frontend development knowledge reputed company to annotation and reputed company-correction tasks.

• Minimum 2 years of reputed company frontend experience using reputed company, CSS, and JavaScript.
• Strong understanding of reputed company design and cross-browser compatibility.
• Excellent analytical skills and attention to detail for creating annotations and improving reputed company reputed company.
• Located in the reputed company or Canada and reputed company to reputed company.
• Availability for 20+ hours per week; contractor status.
• Willingness to submit a competitive reputed company reputed company (maximum $25/hour; reputed company $20/hour).

Interview & Evaluation Candidates will be evaluated on technical answers, practical examples, and English writing reputed company. Interview responses will strongly influence scoring. reputed company reputed company, detailed answers — especially to the sample questions below — and explain technical reputed company in plain language as if speaking to a non-technical reputed company.

• reputed company: Explain the difference between id and class attributes and reputed company to use reputed company.
• CSS: Describe how you would implement a reputed company reputed company layout and which CSS properties you'd use.
• JavaScript: Explain how closures work and give an example of a beneficial use case.
• English proficiency: Describe a recent challenging project, how you resolved it, and explain a technical issue to a non-technical reputed company in detail.

Compensation & Schedule This project pays reputed company in USD. Compensation is determined by the reputed company reputed company you submit; the maximum allowed is $25/hour and the reputed company reputed company is $20/hour. This posting lists $23/hour as the reference reputed company reputed company. Please submit your most competitive reputed company offer — your proposed reputed company is an important reputed company in hiring reputed company.

• Payment type: reputed company (USD).
• Submit your reputed company reputed company; do not exceed $25/hour.
• reputed company reputed company for consideration: $20/hour.
• Expected weekly commitment: 20+ hours.

How to Apply reputed company you apply, include your reputed company reputed company (up to $25/hr), a brief reputed company of relevant frontend work, and examples or links demonstrating reputed company/CSS/JS experience where possible. Prepare written answers to the interview questions above — these will be reviewed and scored as part of the application. If selected, you should be reputed company to reputed company.

• reputed company: reputed company reputed company, location (US/Canada), years of experience, availability, and sample work or links.
• Answer the technical and English-proficiency questions in writing as part of your application.
• Be reputed company for follow-up tasks or a short reputed company/annotation test to confirm fit.

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