Mechanical Engineering Expert
You will complete practical mechanical engineering tasks that support product development and help create or evaluate expert-quality work for AI training. Projects cover design, documentation, analysis, and product development from early concepts through production-ready designs.
- Field
- Engineering
- Where
- United States, Albania, Algeria, Antigua and Barbuda, Armenia, Australia +89 more
- Hours
- up to 10/week
- Posted
- yesterday
Pay data for your profession: Engineering AI trainer jobs
How this pay compares
At $88/hr, this role pays more than 58% of the 207 open engineering roles with a listed pay range, above the median of $80.
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 yesterday.
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
$88/hr
Per week, before tax
$880
Per month, if the work is steady
$3,813
- Tax
- Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $964 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
You will complete practical mechanical engineering tasks that support product development and help create or evaluate expert-quality work for AI training. Projects cover design, documentation, analysis, and product development from early concepts through production-ready designs.
- Create, review, and improve mechanical designs and CAD models for components, assemblies, and systems.
- Develop detailed engineering drawings, bills of materials, and technical documentation to manufacturing standards.
- Perform stress, tolerance, and design for manufacturability assessments.
- Support product development from concept through prototype and production-ready design.
- Document design decisions, assumptions, and methods clearly so the work can be reproduced.
What it pays and takes
This is a remote, project-based contractor role with asynchronous work. Accepted projects are expected to run over the next 2 to 3 weeks and require 10 to 20 hours per week.
- Pay: $88 per hour.
- Location: Remote, open to candidates in the countries listed for this role.
- Language: Professional fluency in English.
- Experience: 2 to 4 years in mechanical engineering, product design, or a related field.
- Education: A bachelor's degree or higher in mechanical engineering, product design, or a related engineering field.
- CAD: Strong proficiency in at least one major platform, such as SolidWorks, AutoCAD, Fusion 360, CATIA, NX, or an equivalent tool.
- Requirements: Ability to produce detailed mechanical designs and engineering drawings to industry standards, solve technical problems, and work independently.
- Helpful background: FEA or simulation tools such as ANSYS, Abaqus, or SolidWorks Simulation.
- Helpful background: CNC machining, injection molding, sheet metal fabrication, or additive manufacturing.
- Helpful background: Hardware startups, product development firms, systems integration, mechatronics, or electromechanical product design.
How it works
Apply on OpenTrain with your resume, then complete the application on the hiring site. OpenTrain is where you find the role and start the application; it does not employ or pay contributors for this work.
About AI training work
AI training is the human work behind artificial intelligence, including preparing, reviewing, and evaluating examples that help models perform better. People with engineering expertise are needed when the work requires accurate technical designs, analysis, and judgments.
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 $88/hr since Nov 10, 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.
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