OpenTrainMaster's

Reliability and Quality Engineering Analysis Expert

Create realistic engineering analysis problems and detailed reference answers for evaluating AI models. The work draws on practical judgment to distinguish sound analysis from mistakes that may seem reasonable.

Field: Engineering
Where: United States, Albania, Algeria, Antigua and Barbuda, Armenia, Australia +89 more
Commitment: part time
Hours: up to 20/week
Asks for: Master's
Posted: 5 days ago

Pay data for your profession: Engineering AI trainer jobs

How this pay compares

At $115/hr, this role pays more than 84% of the 207 open engineering roles with a listed pay range, above the median of $80.

Open engineering roles that ask for a Master's have a median of $94/hr (41 roles).

Among platforms with 10 or more priced engineering roles, Mercor has the highest median ($88/hr across 35 roles) and micro1 the lowest ($60/hr across 28).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 5 days ago.

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

Rate

$115/hr

Hours a week (listing allows up to 20)20 hrs

Per week, before tax

$2,300

Per month, if the work is steady

$9,967

Show in

Tax: Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $2,520 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 engineering 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	36	$88/hr	Infrastructure / Site Reliability Engineer (SRE)$200/hr
OpenTrain AIthis role	132	$85/hr	Chief Engineer / Senior Mechanical Engineer$200-300/hr
Alignerr	14	$61/hr	Robotics Technician$40-120/hr
micro1	29	$60/hr	Member of Technical Staff, Research Engineering$400k-800k/yr
Handshake AI	52	up to $85/hr	Engineering LeadUp to $195/hr

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

All 263 open engineering roles →

The full listing

As posted on OpenTrain AI. See the original

The work

Write problems based on your professional experience in reliability, quality, process, or test engineering.
Cover designed experiments, statistical process control, reliability analysis, and failure data.
Work through each problem and explain the reasoning behind every step.
Explain technical decisions clearly in written English.

What it pays and takes

Pay: $115 per hour, with weekly pay.
Time: 20+ hours per week.
Schedule: Fully asynchronous, with availability that can adjust over time.
Work arrangement: Part-time independent contractor role with ongoing project work.
Location: Open to candidates in the countries supported for this role; it is not worldwide.
Language: Strong written English and the ability to explain analytical reasoning clearly.
Education: A degree in engineering, physics, or statistics.
Experience: At least three years of full-time work in reliability, quality, process, or test engineering.
Skills: Hands-on experience with design of experiments, statistical process control, or reliability analysis.
Tools: Comfort using Minitab, JMP, Python, or R.
Helpful background: Capability studies, measurement system analysis, life data analysis, uncertainty quantification, or a master's degree in engineering or statistics.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

AI training work uses examples prepared and reviewed by people to help build and evaluate AI systems. This role draws on engineering expertise to create problems and reference answers that help assess model responses.

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 $115/hr since Nov 7, 2026 with no change.

Across OpenTrain AI's engineering roles, the median listed pay was $69/hr on Nov 1, 2026 (50 roles) and is $85/hr as of Nov 11, 2026 (130 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 engineering roles

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