Global | Contract | Mid-Level to Senior | 3+ years experience We are seeking experienced Front-End, UI, and Design Engineers for a project focused on recreating visual references through code with extremely high visual accuracy.
Frontend Engineer
Australia, Canada, Ireland +3
$40 – $150/hr
September 22, 2026
Job description
Overview
Models ship UI that renders in the demo and breaks everywhere else: state that desyncs on the second render, an accessibility tree no screen reader can follow, a layout that collapses the moment real content arrives. Someone has to judge the interface a user actually touches, and that someone is you.
As a Frontend Engineer you'll stress-test how models build components, state, and end-to-end web features, expose where the UX and correctness break, and write the answers a strong frontend engineer would ship.
What you’ll actually do
- Probe frontend reasoning across components, state management, accessibility, and rendering, and see where the model's UI falls apart.
- Find the failures that matter: stale state, re-render bugs, broken a11y, and layouts that break under real data.
- Write the correct implementation when the model falls short, with the UX and edge cases handled.
Roles this fits
Common backgrounds: Frontend Engineer, UI Engineer, Web Developer.
What we look for
- Professional or serious open-source experience building web UIs.
- Comfort with a modern framework and CSS; most tasks assume React, TypeScript, or similar.
- Clear written English: your explanations are the training signal.
- No degree required. We care about what you can do, not where you learned it.
How it works
Apply
Qualify
Work & get paid
Compensation
Up to $40 – $150+/hr depending on task difficulty and specialization. Many contributors add $10k–$100k+ a year; some make it their full-time income.
About DataAnnotation
DataAnnotation is where 100k+ experts train the world’s leading AI models. $150M+ paid to contributors to date, and the average contributor stays 5+ years. Flexible, remote, and always project-available.
Available regions
Each region below is open to applicants in that country only. Apply through the link for your region.
Apply now
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