Mobile work is judgement about constrained, user-facing systems. AI systems need iOS, Android and React Native developers who can review what a model builds.
This isn’t advisory work and it isn’t labelling. You’re reviewing real engineering work and explaining your judgement clearly enough that an AI can learn from it — paid for your expertise, by the hour.
Applied Clinical Judgement connects qualified people to vetted platforms, and Sean Key personally vouches for those he refers. We’re paid a referral fee by the platform on a successful placement — never by you. The roles below are live today.
3 live Mobile Developers roles · updated daily
React Native Developer
Contractor role paying $30–$80 per hour on micro1. React Native experts will evaluate and annotate code samples, design patterns, and mobile development workflows to train AI systems. Requires expert-level proficiency with React Native, JavaScript ES6+, and proven experience building iOS and Android apps. Ideal for developers with strong written and verbal communication who can articulate technical concepts clearly and work autonomously in a remote setting.
React Native Developer
Contractor role paying $30–$80 per hour on micro1. React Native experts will evaluate and annotate code samples, design patterns, and mobile development workflows to train AI systems. Requires expert-level proficiency with React Native, JavaScript ES6+, and proven experience building iOS and Android apps. Ideal for developers with strong written and verbal communication who can articulate technical concepts clearly and work autonomously in a remote setting.
Android Engineer
Turing seeks an Android Engineer with 8+ years' experience in Java or Kotlin to design and develop native applications for a major community platform serving 50 million+ daily visitors. You'll work across the full development lifecycle—from technical design through launch—collaborating with product and design teams on scalable, responsive mobile solutions. Requires a bachelor's degree in computer science or equivalent, experience building apps at million-user scale, and 6+ hours daily overlap with PST timezone.
No live roles match your search.
AI training work is organised by profession, task and software — not by topic or sector. Try your field (for example “nursing” or “Python”), clear the filters, or browse the categories further down the page. The always-open talent pools below are a good place to start.
What the work looks like
Reviewing the model's work
Read what an AI produced in your field and judge whether the reasoning holds — mark where it went wrong.
Setting hard problems
Write the realistic, demanding tasks that separate competent work from confident-but-wrong.
Judging AI answers
Compare two AI outputs and say which is stronger, and why — your written reasoning is what the model learns from.
Common questions
How much does it pay?
Hourly and contractor-based, varying with seniority and role. Every role card shows its pay band. You invoice as an independent contractor and choose your hours.
Can I do this alongside my current job?
Yes — the work is flexible and part-time by design. Check your employer's policy on outside work first; ACJ can't advise on that.
Who is ACJ, and what's your part in this?
Applied Clinical Judgement is run by Sean Key. We connect qualified people to vetted AI-training platforms (Mercor, micro1, Turing), and Sean personally vouches for the people he refers. We're paid a referral fee by the platform on a successful placement — never by you.
How do I get started?
Find a role below that fits, and apply through the link — it carries Sean's referral. If you'd like him to vouch for you or talk it through first, book a short call.
Sean Key vouches for the people he refers
I’m Sean Key, editor of Applied Clinical Judgement. After 29 years in the NHS I help qualified professionals find legitimate, well-paid AI-training work — and I’ll personally vouch for you when you apply.
Applied Clinical Judgement is a referral intermediary, not an employer or recruiter. We refer candidates to third-party platforms (Mercor, micro1, Turing) and may earn a referral fee on a successful placement. We never charge candidates. Pay rates are set by the platforms and may change. PRAG-DEL-SOL-ONE LTD · Co. 07204925 · VAT 987-3626-64 · ICO ZC086000.