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OpenTrain AIFor AI Companies

The #1 Platform for Finding Engineering AI Training Jobs

You should not need accounts on 20 platforms just to find work. See engineering AI training and data labeling jobs from 20+ platforms in one feed. One profile, one inbox, one portfolio that grows with you.

100% free for freelancers. Always. No fees, no credit card, no catch.

Recommended Engineering Jobs
20+ platforms
Engineering Outputs Review Specialist $40/hr
Technical Explanations Review Specialist $36/hr
System Design Reasoning Scoring Specialist $34/hr

Join 275,000+ AI Trainers & Data Labelers

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Why Join OpenTrain

The One Platform for Your Engineering AI Training Career

We bring engineering AI training and data labeling jobs from 20+ platforms into one place. Search, apply, and track your work without juggling separate accounts and dashboards.

Every AI Job, One Feed

All engineering AI jobs from 20+ platforms in one feed.

See engineering AI training and data labeling roles from 20+ platforms in a single feed. No more logging into separate dashboards or missing the right opportunities.

One Profile, Everywhere

One engineering expert profile. Apply anywhere.

Add your engineering background, specialties, languages, and rates. Your profile is how AI teams find and shortlist you for engineering AI training work.

One Inbox, Zero Chaos

Every engineering AI update in a single inbox.

Role invites, application statuses, and shortlist notifications all land in one place. Apply directly from OpenTrain and track everything without the tab overload.

A Portfolio That Grows

A engineering AI portfolio that grows with you.

Log completed projects from any platform. Your work history stays in one place and helps you win more engineering AI roles over time.

Create your profile now and access engineering AI jobs from 20+ platforms

Free, always. Find engineering AI training and data labeling jobs from 20+ platforms, apply without managing multiple accounts, and build a portfolio that supports your career.

Always Free

Create Your Free Profile

Build one expert profile with your skills, domains, and rates. See engineering AI training jobs from 20+ platforms in a single feed. Apply with one click. No fees, no subscriptions, no credit card.

Free forever
What You Get

Everything in One Place

  • Engineering AI jobs from 20+ platforms in one feed
  • One profile that works across every platform
  • Track all applications in one inbox
  • Build a portable AI training portfolio
Platforms

Find Jobs on Every Major AI Platform

How It Works

From Signup to Your First Job in Minutes

Create your profile, browse jobs from 20+ platforms, and apply with one click. No fees, no gatekeepers.

01
Step 01

Create a profile around your specialist strengths

Highlight your engineering background, relevant tools, and the domain work that makes you credible in AI evaluation.

  • Add domains (math, medicine, code, writing), languages, and hourly rate
  • Import work history from other platforms to start with a track record
  • 100% free. No fees, no subscriptions, no credit card required
02
Step 02

See cross-platform opportunities in one place

Find AI training and reviewer work from across the ecosystem without checking multiple separate tools manually.

  • Jobs from Scale, Outlier, DataAnnotation, and 20+ more in one place
  • Filter by domain, language, pay rate, and work type
  • Get notified when new jobs match your skills
03
Step 03

Apply to the projects that fit your domain

Focus on roles where engineering judgment is a true differentiator instead of generic annotation only.

  • Apply on OpenTrain or get linked straight to the hiring platform
  • Your verified profile and work history travel with every application
  • Track all your applications and statuses in one place
04
Step 04

Build a portfolio that compounds over time

As you complete projects, your OpenTrain profile becomes stronger proof of specialist ability for future work.

  • Log work from any platform to build one unified track record
  • Your earnings history and reviews grow with every project
  • Higher-rated profiles get priority access to premium roles

Open engineering jobs

Remote engineering roles in AI training and data labeling from companies hiring on OpenTrain. Apply with a free account.

View all 40 engineering jobs

Electrical Systems AI Reviewer

Join OpenTrain AI as a remote, part-time contractor to review electrical schematics, wiring diagrams, and field documentation to help train next-generation AI—20+ hours/week, $40–$50/hr. Provide technical ratings and clear explanations to improve model outputs.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Jun 28, 2026

CAD Review Specialist

Join OpenTrain as a remote CAD Review Specialist to annotate and evaluate 2D/3D AutoCAD designs that train AI systems; contractor, part-time role paying $20–$70/hr with 20+ hours/week and estimated project earnings of $3,200–$11,200.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$70/hr

Posted Jun 28, 2026

Data annotation VLA

Join OpenTrain AI to label humanoid robotics video for VLA models as a Level B annotator — 20+ hrs/week, contractor, paid USD $6/hr (range $5–$8); Encord experience preferred but other platform experience is accepted.

Image & Video Annotation
Video
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $5–$8/hr

Posted Jun 27, 2026

Scientific Document Review Specialist

Review scientific figures, lab reports, and technical publications to evaluate model outputs and deliver clear, rubric-based feedback; remote contractor role paying $40–$50/hr, 20+ hrs/week, estimated project earnings $6,400–$8,000.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Jun 27, 2026

Image Annotation Quality Control Specialist

OpenTrain AI is hiring a remote QC specialist to review and correct auto-annotated refinery image frames (8,000). Fixed-price contract ($1,200), 20+ hours/week, using CVAT to adjust bounding boxes and classifications with strong attention to detail.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Fixed price · $1200

Posted Apr 5, 2026

Mechanical Engineering Problem Author (Python Required)

Write original computational mechanical-engineering problem sets and deliver fully reproducible Python solutions using NumPy, Pandas, and SciPy; part-time contractor role (20+ hrs/week) with pay up to $50/hr. CV in English required; some locations are restricted.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Civil Engineering Expert (Python)

Design original civil/computational engineering problems and verify reproducible solutions using Python to create high-quality training data for generative models. Part-time contract (20+ hrs/week), up to $50/hr; requires a Civil Engineering degree, 2+ years relevant experience, and strong written E

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Automotive CAN Signal Capturing Dataset Generation

Generate a training dataset that maps natural-language vehicle use cases to lists of CAN signals using OpenTrain's proprietary tooling; fixed-price contractor role paying $2,000 USD. Subject-matter expertise in automotive CAN signals is required.

Data Collection
Document
Remote · Worldwide
Flexible hours
Intermediate level
Fixed price · $2000

Posted Dec 15, 2025

Mandarin question answer pairs for electrical engineering

Review 50–100 Mandarin electrical engineering QA pairs, verify each answer against provided documents using a document-finding tool, and add precise citations for RAG. Contract, part-time work at $40/hr, ~20–40 hours total and 20+ hrs/week.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Feb 3, 2025

Built for Your AI Training Career

One platform to find jobs from 20+ platforms, build your portfolio, and grow your career.

Your Engineering AI Training Career Hub

One profile, one inbox, one portfolio. Jobs from 20+ platforms.

Urgently hiring across 40+ skill domains.

20+

Platforms

100% Free
No fees, no subscriptions, no credit card.
Create Your Free Profile
1,000+

Engineering AI roles across 20+ platforms

Work from

Scale AIScale AI
Label StudioLabel Studio
ArgillaArgilla
EncordEncord
CVATCVAT
Scale AIScale AI
Label StudioLabel Studio
ArgillaArgilla
EncordEncord
CVATCVAT
SuperAnnotateSuperAnnotate
LabelboxLabelbox
RoboflowRoboflow
DataloopDataloop
Snorkel AISnorkel AI
SuperAnnotateSuperAnnotate
LabelboxLabelbox
RoboflowRoboflow
DataloopDataloop
Snorkel AISnorkel AI

Your engineering AI career grows with every project.

FAQ

Frequently Asked Questions

Everything you need to know about joining and finding work on OpenTrain.