OpenTrain

Medical Imaging Clinician Annotator

You will help build a medical image segmentation dataset by marking regions in images that match specified medical terms. The work is completed remotely in a browser-based annotation tool, with no software installation required.

Field: Medicine & health
Where: Remote
Commitment: part time
Hours: up to 20/week
Posted: today

Pay data for your profession: Physician AI trainer jobs

How this pay compares

The title points to labeling and annotation: tagging what's in images, video, audio or documents. What each kind of AI training work pays

At $43/hr (the midpoint of $30 to $55), this role pays more than 7% of the 190 open medicine & health roles with a listed pay range, below the median of $96.

Among platforms with 10 or more priced medicine & health roles, Mercor has the highest median ($150/hr across 37 roles) and Alignerr the lowest ($55/hr across 25).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one today.

Computed from 2,746 open roles we track across Mercor, micro1, Handshake AI, Alignerr, Appen and OpenTrain AI, refreshed daily. Midpoints of listed ranges; “up to” ceilings are left out of medians.

What you would earn at this rate

Where in the listed range$43/hrHours a week (listing allows up to 20)20 hrs

Per week, before tax

$850

Per month, if the work is steady

$3,683

Show in

Tax: Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $931 a month for self-employment tax plus federal income tax at the 12% bracket (25%, before state tax). Outside the US, your own country's rules apply.

Assumes paid hours only; unpaid assessments, onboarding and gaps between projects lower the real figure. Full take-home calculator · Track what you actually earn

Open medicine & health roles on each platform

The same kind of work, priced on every platform we track, with the best-paid open role on each.

Platform	Open	Median	Best-paid open role
Mercor	40	$150/hr	Cardiologist$350/hr
micro1	26	$98/hr	Domain Researcher, Medical$400k-800k/yr
OpenTrain AIthis role	103	$98/hr	Anesthesiologists for AI Model Evaluation$300/hr
Alignerr	25	$55/hr	Clinical Business Intelligence Manager$40-80/hr
Handshake AI	22	up to $180/hr	Anesthesiologists AI TrainerUp to $300/hr

“Up to” rows list only ceilings, so their median is a maximum, not comparable with the range midpoints above them.

All 216 open medicine & health roles →

The full listing

As posted on OpenTrain AI. See the original

The work

The dataset covers multiple imaging modalities, medical specialties, and anatomical regions.

Identify and outline image regions using boundary boxes or contours.
Match image regions to specified medical terms.
Check image metadata, including imaging modality, medical specialty, and anatomical region.
Complete a three-minute tutorial that explains the annotation workflow.

What it pays and takes

This is expert-level, part-time contract work for qualified clinicians. The project is open worldwide and may suit people who can contribute flexibly over an extended period.

Pay: $30 to $55 per hour.
Time: Less than 20 hours per week.
Location: Open worldwide.
Work type: Part-time contract.
Requirement: Qualified clinical experience relevant to medical imaging annotation.
Availability: Flexible availability and the possibility of contributing over an extended period.

How it works

Apply on OpenTrain. The employer reviews applications there.

About AI training work

AI training is the human work behind artificial intelligence, including preparing and reviewing images, text, and other data. Medical knowledge helps create more accurate training examples for systems that work with clinical information.

From applying to your first payment on OpenTrain AI

1
Create a profile
Create a free OpenTrain profile with your domains, languages and hourly rate.
2
Apply
Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.
3
Funded milestones
The client funds each milestone before work starts.
4
First payment
OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.

Sources: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts

Full OpenTrain AI profile: watch-outs and the public record →

Pay history

OpenTrain AI has listed this role at $30-55/hr since Nov 11, 2026 with no change.

Across OpenTrain AI's medicine & health roles, the median listed pay was $85/hr on Nov 1, 2026 (41 roles) and is $98/hr as of Nov 11, 2026 (102 roles).

What workers report about OpenTrain AI

Anonymous reports from people who applied or worked there: whether they got work, what they were paid and how fast.

Other medicine & health roles

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