HTML/CSS - Senior Developers - AI Training - Las Vegas, USA
Prolific Participants · Remote, USA · Coding / software engineering
HTML/CSS - Senior Developers - AI Training - Las Vegas, USA is an open role at Prolific Participants, available remotely, with pay listed as Up to $40/hr.
Applications open on Prolific Participants’ own site. How we make money.
At a glance
- Pay
- Up to $40/hrEstimate, from Prolific Participants’ own wording
- Location
- Remote
- Work type
- Coding / software engineering
- Field
- Coding
- Listed
- Since Jul 25, last confirmed Oct 30
As listed by Prolific Participants: “Researchers looking for your skills tend to pay up to $40/hr, depending on skills and experience .”
How the pay compares
Higher than 6% of the 76 distinct hourly rates advertised for Coding roles right now. Hourly USD, top of each advertised range, one count per distinct rate. Same method as the Pay Index.
From Prolific Participants’ listing
“HTML/CSS - Senior Developers - AI Training - USA The role We're looking for Senior HTML/CSS Developers to join our Expert Network to help train and evaluate cutting-edge AI models.”
Show the full listing
HTML/CSS - Senior Developers - AI Training - USA The role We're looking for Senior HTML/CSS Developers to join our Expert Network to help train and evaluate cutting-edge AI models. If you have a background in Software Engineering or Frontend Development , we'll send you a quick 10- to 15-minute test to assess your skills. If successful, you'll be invited to join Prolific as a participant, where you'll get paid to help AI understand and produce high-quality frontend code and design implementation. Researchers looking for your skills tend to pay up to $40/hr, depending on skills and experience . You must be prepared to complete paid tasks that require one hour of uninterrupted work , though many are shorter. What you’ll bring Educational Background: a BSc or higher in Computer Science, Software Engineering, Web Development, or a closely related technical field. Professional Experience: real-world experience as a Senior Frontend Developer or UI Engineer specialising in HTML/CSS. Coding Proficiency: ability to independently build complex, responsive layouts and components without relying on frameworks or libraries. Deep Domain Knowledge: expert understanding of the CSS cascade, specificity, the box model, Flexbox, CSS Grid, accessibility standards (WCAG), and cross-browser compatibility. Code Quality: a high standard for clean, semantic markup and maintainable CSS, including adherence to BEM methodology, design tokens, and modern CSS standards. What you’ll be doing in the role Evaluate Code Accuracy: review AI-generated HTML/CSS for functional correctness, semantic structure, and adherence to best practices. Validate Logic & Reasoning: audit the step-by-step explanations provided by AI for layout solutions and styling approaches to ensure they are technically sound. Conduct Execution Testing: render model-generated markup and stylesheets in appropriate environments to verify visual output and cross-browser behaviour. Annotate Model Performance: identify areas where a mo
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Frequently asked questions
How do I apply for the HTML/CSS - Senior Developers - AI Training - Las Vegas, USA role at Prolific Participants?
Applications go through Prolific Participants's own portal - HumanSourcer links to the listing and never collects applications or handles hiring. Prolific Participants's access model is "Waitlist" (Join waitlist / register). This listing was first seen here on July 25, 2026 and was still live at the last check.
Is the HTML/CSS - Senior Developers - AI Training - Las Vegas, USA role at Prolific Participants remote?
Yes - Prolific Participants lists this role as remote.
What does the HTML/CSS - Senior Developers - AI Training - Las Vegas, USA role at Prolific Participants pay?
Prolific Participants indicates Up to $40/hr for this role, but hedges the figure rather than committing to it. Treat it as an indication: HumanSourcer flags hedged pay instead of presenting it as a firm rate, and the listing's own wording is quoted in the Pay section above.
What kind of work is HTML/CSS - Senior Developers - AI Training - Las Vegas, USA?
Coding / software engineering. Research studies, behavioural data and AI evaluation/training tasks
Is Prolific Participants a legitimate AI-training platform?
Direct participant marketplace and expert network - and that relationship is rated "Confirmed" here because it can be checked against www.prolific.com rather than taken on Prolific Participants's word. Confidence describes how well the ownership is evidenced. It is not a rating of how the platform treats the people who work for it, which no public source covers reliably.
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