AI Trainer (Engineering Sciences)
You will create challenging engineering tasks and review technical work produced by AI models. The work uses practical engineering judgment to assess whether calculations, simulations, code, designs, and other deliverables are correct, reliable, and reproducible.
- Field
- Engineering
- Where
- United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
- Commitment
- part time
- Hours
- up to 20/week
- Posted
- 2 days ago
Pay data for your profession: Engineering AI trainer jobs
How this pay compares
At $90/hr (the midpoint of $60 to $120), this role pays more than 62% 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 2 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
Per week, before tax
$1,800
Per month, if the work is steady
$7,800
- Tax
- Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $1,972 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 create challenging engineering tasks and review technical work produced by AI models. The work uses practical engineering judgment to assess whether calculations, simulations, code, designs, and other deliverables are correct, reliable, and reproducible.
You may work across mechanical, electrical, embedded, civil, chemical, manufacturing, robotics, materials, energy, or biomedical engineering. Tasks can involve design, analysis, simulation, testing, manufacturing, debugging, or system integration.
- Write realistic engineering task instructions.
- Build reproducible environments and reference solutions.
- Create clear evaluation criteria, rubrics, graders, or benchmark problems.
- Review model-generated calculations, code, simulations, analyses, and technical deliverables.
- Identify invalid assumptions, incorrect results, integration failures, and reproducibility problems.
- Set objective standards for technically correct and dependable work.
What it pays and takes
This is a fully remote, part-time contractor role for an expert engineering contributor. Work is output-based and paid per accepted task.
- $60 to $120 per hour equivalent, paid per task that meets the project specifications.
- Flexible schedule with a commitment of at least 15 hours and less than 20 hours per week.
- Open to candidates in multiple countries, including the United States, Canada, the United Kingdom, India, Japan, and other eligible locations listed for the role.
- Professional fluency in English.
- Prior paid experience training, evaluating, benchmarking, or improving AI systems.
- Strong practical proficiency with Python or comparable engineering scripting.
- Hands-on expertise in at least one hardware or engineering discipline.
- Experience with engineering software, command-line tools, configuration files, scripting interfaces, or programmatic APIs.
- Public technical work such as production designs, validated simulations, failure investigations, patents, publications, open-source contributions, schematics, PCB designs, RTL, test systems, scripts, or technical projects.
Helpful background
Experience creating AI-training tasks, reference solutions, rubrics, graders, or benchmark problems is useful. Reviewing technical submissions from other AI trainers can also help.
Additional relevant experience includes verification and validation, testing, failure analysis, technical quality assurance, long-horizon or agentic AI evaluations, and advanced academic or professional engineering work.
How it works
You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.
The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 8 screening questions.
About AI training work
AI training is the human work behind systems that learn from examples, including creating tasks and reviewing model responses. People with engineering expertise are needed to judge whether technical AI outputs are accurate, useful, and safe.
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 $60-120/hr since Nov 10, 2026 with no change.
OpenTrain AI listed this title before: $15/hr, Oct 25, 2026 to Oct 25, 2026.
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
- Member of Technical Staff, Research Engineeringmicro1$400k-800k/yr
- Forward Deployed Engineermicro1$300k-650k/yr
- Chief Engineer / Senior Mechanical EngineerOpenTrain$200-300/hr
- Principal / Lead Systems Engineer for AI TrainingOpenTrain$150-300/hr
- Systems Architect / Chief Systems Architect for AI TrainingOpenTrain$150-300/hr
- Forward Deployed Engineer, U.S. Governmentmicro1$300k-500k/yr