OpenTrain

Construction Expert Technical Evaluation Role

You will evaluate construction documents and use practical engineering judgment to answer technical questions from active projects. Your work will support planning, document review, field problem solving, and technical assessment across several types of construction projects.

Field: Engineering
Where: United States, Albania, Algeria, Antigua and Barbuda, Armenia, Australia +89 more
Commitment: part time
Hours: up to 20/week
Posted: 6 days ago

Pay data for your profession: Engineering 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 39% of the 207 open engineering roles with a listed pay range, below 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 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

$75/hr

Hours a week (listing allows up to 20)20 hrs

Per week, before tax

$1,500

Per month, if the work is steady

$6,500

Show in

Tax: Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $1,643 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

Review construction drawings, specifications, and related technical documents.
Assess technical questions and develop clear, reasoned conclusions.
Apply knowledge of construction sequencing, scheduling, materials, building systems, and codes.
Document your technical reasoning and judgments clearly so others can reproduce them.
Contribute across commercial, residential, industrial, infrastructure, and other project settings.

What it pays and takes

This is a remote, project-based contract engagement with asynchronous work. Assignments are expected to run for approximately 2 to 3 weeks, with professionals working on their own schedule within each project's needs.

Pay: $75 per hour.
Time requirement: 20 or more hours per week.
Location: Remote, open to candidates in the countries listed for this role.
Language: Professional fluency in English.
Experience: 1 to 3 years as a construction engineer, project engineer, field engineer, or similar professional.
Education: A bachelor's degree or higher in Construction Management, Civil Engineering, Architectural Engineering, or a related field, or equivalent practical experience.
Required knowledge: Construction documents, drawings, specifications, sequencing, scheduling, materials, building codes, and construction fundamentals.
You must be able to assess and resolve technical questions independently.
Helpful experience includes IBC, ACI, AISC, ASCE, or OSHA requirements; Procore, Bluebeam, Primavera P6, or similar workflows; multiple project types; office and field work; and coordination across trades and disciplines.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site. The work is organized around individual assignments that professionals accept for project-based evaluation work.

About AI training work

AI training is the human work behind systems that learn from examples, including reviewing documents and rating or evaluating model outputs. OpenTrain helps people find AI training projects, build a profile, and apply to work where their professional knowledge can help improve AI systems.

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 $75/hr since Nov 5, 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

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