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OpenTrain

JavaScript Engineer (English)

You will help evaluate and improve AI-generated JavaScript code and technical explanations. The work focuses on correctness, clear reasoning, prompt adherence, fact-checking, and useful explanations for learners and developers.

Field
Software & coding
Where
United States, Bangladesh, Bhutan, Brazil, Cambodia, Germany +11 more
Commitment
part time
Hours
up to 20/week
Posted
4 months ago

Pay data for your profession: Software engineer AI trainer jobs

How this pay compares

At $60/hr, this role pays more than 25% of the 220 open software & coding roles with a listed pay range, below the median of $70.

Among platforms with 10 or more priced software & coding roles, Mercor has the highest median ($88/hr across 18 roles) and OpenTrain AI the lowest ($65/hr across 107).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 125 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

$60/hr

Per week, before tax

$1,200

Per month, if the work is steady

$5,200

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $1,315 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 software & coding 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
Mercor20$88/hrLegacy Codebase Migration Expert$200/hr
micro125$75/hrStrategic Project Lead, Coding/SWE$300k-500k/yr
Alignerr73$70/hrDevOps / IaC Engineer$90-120/hr
OpenTrain AIthis role123$65/hrSoftware Engineer, AI Code Evaluation$200/hr
Handshake AI10up to $90/hrSenior Software Engineer - AI Data (US)Up to $150/hr

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

All 251 open software & coding roles →

The full listing

As posted on OpenTrain AI. See the original

The work

You will help evaluate and improve AI-generated JavaScript code and technical explanations. The work focuses on correctness, clear reasoning, prompt adherence, fact-checking, and useful explanations for learners and developers.

  • Review JavaScript code and explanations for correctness, readability, and performance.
  • Write improved solutions and educational explanations that show correct methods.
  • Compare model responses and rate their reasoning quality and accuracy.
  • Find logic errors, conceptual mistakes, and edge-case problems.
  • Check frontend and backend JavaScript behavior, including async patterns and state management.

What it pays and takes

This is fully remote, part-time contract work for an intermediate-level JavaScript professional. Scheduling is flexible, and the project is expected to run for 1 to 3 months.

  • Up to $60 per hour.
  • About 20 hours per week.
  • Open to candidates in Bangladesh, Bhutan, Brazil, Cambodia, Germany, India, Indonesia, Malaysia, Nepal, Pakistan, Singapore, Sri Lanka, Thailand, the Philippines, the United States, Timor-Leste, and Vietnam.
  • Professional fluency in English with strong written communication.
  • At least 2 years of professional JavaScript experience in production environments.
  • Deep knowledge of closures, async and await, prototype-based inheritance, and the JavaScript event loop.
  • Strong code review skills and experience assessing technical correctness.
  • Hands-on experience with React, Node.js, or another major JavaScript framework or runtime.
  • A bachelor's degree in Computer Science or a closely related technical field.
  • Experience with AI data training, annotation, or evaluation of AI-generated technical content is helpful.
  • Open-source JavaScript or TypeScript contributions, bundler and tooling experience, typed API or schema-driven design experience, and frontend-backend debugging experience are helpful.

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 generate code and text, including reviewing model responses, correcting errors, and rating quality. OpenTrain helps people find these projects, build a profile, and apply in minutes.

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 $60/hr since Nov 5, 2026 with no change.

Across OpenTrain AI's software & coding roles, the median listed pay was $65/hr on Nov 1, 2026 (72 roles) and is $65/hr as of Nov 11, 2026 (107 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 software & coding roles

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