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OpenTrain

Materials Modeling Engineer

You will evaluate AI-generated content about materials modeling, computational research, and engineering workflows. Your feedback will help improve how AI systems understand and handle professional materials science work.

Field
Engineering
Where
United States
Hours
up to 5/week
Posted
6 days ago

Pay data for your profession: Engineering AI trainer jobs

How this pay compares

At $80/hr, this role pays more than 48% of the 207 open engineering roles with a listed pay range, the same as the median.

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 6 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

$80/hr

Per week, before tax

$400

Per month, if the work is steady

$1,733

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $438 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.

PlatformOpenMedianBest-paid open role
Mercor36$88/hrInfrastructure / Site Reliability Engineer (SRE)$200/hr
OpenTrain AIthis role132$85/hrChief Engineer / Senior Mechanical Engineer$200-300/hr
Alignerr14$61/hrRobotics Technician$40-120/hr
micro129$60/hrMember of Technical Staff, Research Engineering$400k-800k/yr
Handshake AI52up to $85/hrEngineering 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 evaluate AI-generated content about materials modeling, computational research, and engineering workflows. Your feedback will help improve how AI systems understand and handle professional materials science work.

You may also complete analytical work and structured data deliverables using professional tools and methods. Active projects can include price forecast models and power purchase agreement documentation.

  • Review AI-generated materials modeling and research content.
  • Give clear, expert feedback on materials modeling and research workflows.
  • Build price forecast models when assigned to an active project.
  • Develop power purchase agreement documentation when assigned to an active project.
  • Produce analytical work and structured data outputs independently.
  • Use careful written judgment and attention to detail on each deliverable.

What it pays and takes

This is a fully remote, ongoing contractor engagement for candidates in the United States. The schedule is flexible and asynchronous, with no minimum hour requirement; active project participation commonly ranges from about 5 to 20 hours per week.

Energy or research experience can be useful, including battery research, computational chemistry, materials simulation, and controls.

  • Pay: Up to $80 per hour.
  • Location: Remote, open to candidates in the United States.
  • Language: Fluent written English.
  • Schedule: Flexible and asynchronous.
  • Hours: No minimum requirement; active projects commonly involve about 5 to 20 hours per week.
  • Engagement: Ongoing and project-based, with availability connected to current project needs.
  • Experience: At least two years in materials science, computational modeling, or research engineering.
  • Relevant backgrounds: Materials Scientist, Materials Modeling Engineer, Battery R&D Engineer, Computational Chemist, Modeling and Simulation Engineer, or Controls Engineer.
  • Tools: Hands-on experience with MATLAB or Materials Studio.
  • Work style: Strong written communication and the ability to work independently and asynchronously.

How it works

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

About AI training work

AI training is the human work behind systems that learn from examples, including reviewing model responses and evaluating technical content. Professionals are paid for this work because their field knowledge helps make AI outputs more accurate, useful, and aligned with real research practice.

From applying to your first payment on OpenTrain AI

  1. 1

    Create a profile

    Create a free OpenTrain profile with your domains, languages and hourly rate.

  2. 2

    Apply

    Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.

  3. 3

    Funded milestones

    The client funds each milestone before work starts.

  4. 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 $80/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.

Other engineering roles

All 263 engineering roles →