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OpenTrain

Full-Stack Software Engineer, Testing & Evaluation

You will create realistic software projects and structured development challenges that other engineers can run and evaluate consistently. The work covers multi-file codebases, clear technical documentation, containerized setups, and reliable automated testing.

Field
Software & coding
Where
United States, Albania, Algeria, Antigua and Barbuda, Armenia, Australia +89 more
Posted
2 days ago

Pay data for your profession: Software engineer AI trainer jobs

How this pay compares

The title points to rating and reviewing ai output: judging a model's answers or code against guidelines, such as which of two is better or whether one is correct and safe. What each kind of AI training work pays

At $75/hr, this role pays more than 66% of the 220 open software & coding roles with a listed pay range, above 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 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

Rate

$75/hr

Per week, before tax

$1,125

Per month, if the work is steady

$4,875

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $1,232 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 create realistic software projects and structured development challenges that other engineers can run and evaluate consistently. The work covers multi-file codebases, clear technical documentation, containerized setups, and reliable automated testing.

  • Develop full-stack software projects that reflect realistic engineering environments.
  • Architect or maintain multi-file codebases using sound engineering practices.
  • Create structured development challenges with clear, detailed documentation.
  • Build deterministic test suites that check correctness and reproducibility.
  • Use Docker or similar tools to containerize tasks for consistent execution.
  • Apply testing frameworks, build tools, and code-quality workflows where they fit.

What it pays and takes

The role requires practical software development and testing skills, careful documentation, and the ability to create setups that other engineers can reproduce.

  • Pay: $75 per hour.
  • Location: Remote, open only to candidates in the countries listed for this role.
  • Language: Fluent English.
  • Programming: Proficiency in at least one modern language, such as JavaScript, TypeScript, Java, Go, Rust, C, or C++.
  • Experience: Architecting or maintaining multi-file software projects.
  • Tools: Hands-on experience with Docker or similar containerization technology.
  • Skills: Technical writing, documentation, reproducible development setups, and reliable automated tests.
  • Helpful background: Full-stack or end-to-end application development, testing frameworks, build tools, or established code-quality workflows.

How it works

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

About AI training work

AI training and data-labeling work is the human side of building artificial intelligence. People create and review examples, test model behavior, and evaluate software so AI systems can become more useful and reliable; OpenTrain is a platform where people find these projects and start their applications.

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 $75/hr since Nov 10, 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

All 251 software & coding roles →