The #1 Platform for Finding Data Science AI Training Jobs
You should not need accounts on 20 platforms just to find work. See data science AI training and data labeling jobs from 20+ platforms in one feed. One profile, one inbox, one portfolio that grows with you.
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“Reliable payments, easy access, and yes, Legit!”
“OpenTrain became the bridge that led me into AI training work.”
“Everything has been respectful and accorded to contract.”
“The review and payment are so quick.”
“The admin is really helpful and responsive.”
“Reliable payments, easy access, and yes, Legit!”
“OpenTrain became the bridge that led me into AI training work.”
“Everything has been respectful and accorded to contract.”
“The review and payment are so quick.”
“The admin is really helpful and responsive.”
“Reliable payments, easy access, and yes, Legit!”
“OpenTrain became the bridge that led me into AI training work.”
“Everything has been respectful and accorded to contract.”
“The review and payment are so quick.”
“The admin is really helpful and responsive.”
“Reliable payments, easy access, and yes, Legit!”
“OpenTrain became the bridge that led me into AI training work.”
“Everything has been respectful and accorded to contract.”
“The review and payment are so quick.”
“The admin is really helpful and responsive.”
The One Platform for Your Data Science AI Training Career
We bring data science 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 data science AI jobs from 20+ platforms in one feed.
See data science 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 data science expert profile. Apply anywhere.
Add your data science background, specialties, languages, and rates. Your profile is how AI teams find and shortlist you for data science AI training work.
One Inbox, Zero Chaos
Every data science 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 data science AI portfolio that grows with you.
Log completed projects from any platform. Your work history stays in one place and helps you win more data science AI roles over time.
Create your profile now and access data science AI jobs from 20+ platforms
Free, always. Find data science AI training and data labeling jobs from 20+ platforms, apply without managing multiple accounts, and build a portfolio that supports your career.
Create Your Free Profile
Build one expert profile with your skills, domains, and rates. See data science AI training jobs from 20+ platforms in a single feed. Apply with one click. No fees, no subscriptions, no credit card.
Everything in One Place
- Data Science 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
Your AI training career starts here.
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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.
Create a profile around your specialist strengths
Highlight your data science 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
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
Apply to the projects that fit your domain
Focus on roles where data Science 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
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 data science jobs
Remote data science roles in AI training and data labeling from companies hiring on OpenTrain. Apply with a free account.
Document Data Extraction (Law/Finance/Accounting)
Work remotely validating AI-generated draft outputs to extract structured data from legal, financial, and compliance PDFs/DOCX into JSON schemas. Part-time contractor role (under 20 hrs/week), pay $8.00–$11.20 USD/hr; intermediate level and near-native English required.
View jobPosted May 14, 2026
Data Science Expert (Python, SQL, GenAI)
Design realistic, reproducible end-to-end data science problems and verify solutions using Python and SQL. This contract role suits senior data scientists (5+ years) with strong ML/statistics foundations and hands-on GenAI experience.
View jobPosted Apr 5, 2026
Machine Learning Expert (Python, GenAI, SQL)
Design and validate computational STEM/ML problems for generative-AI training, writing reproducible Python solutions and clear documentation. Contract, part-time project work (~10–20 hrs/week), US-restricted contributors preferred; pay $15–$40/hr.
View jobPosted Apr 5, 2026
Statistics Expert (Python, Degree Required)
Design and validate reproducible, research-style computational statistics problems using Python and scientific libraries; part-time contractor role requiring a statistics degree, 2+ years experience, and hands-on annotation or review experience. 20+ hrs/week, paid hourly up to $60.
View jobPosted Mar 29, 2026
Biology Expert (Degree Required, Python)
Design and verify reproducible, research-grade computational biology problems and solutions using Python and standard bioinformatics libraries; part-time contractor work with pay from $15–$60/hr. Requires a Biology degree, 2+ years' computational biology experience, and strong Python skills.
View jobPosted Mar 29, 2026
Senior Data Science AI Task Designer (Python & SQL, 5+ yrs)
Design realistic, end-to-end, computationally intensive data science problems to train and evaluate advanced AI systems; requires Master’s/PhD, 5+ years’ experience, expert Python and strong SQL. Remote contract, part-time (<20 hrs/week) at $50/hr.
View jobPosted Dec 3, 2025
Data Scientist - Mathematical Statistics (Python, statsmodels/scipy)
Entry-level, remote contract role for Python-savvy data scientists to run statistical analyses with numpy/scipy/statsmodels, clean messy datasets, and communicate findings; part-time (<20 hrs/week), $25/hr, worldwide.
View jobPosted Sep 3, 2025
Data Analytics & Visualization Specialist (Python + Dash, ETL)
Join OpenTrain to build ETL pipelines and interactive dashboards using Python, Plotly/Dash, and SQL; part-time contractor role paying $25/hr for under 20 hours/week. Ideal for entry-level data analysts who write clean code, validate data, and translate business questions into clear visual insights.
View jobPosted Sep 3, 2025
LLM model trainer for a medical scoring system
Collect urine output and serum creatinine data from the MIMIC‑4 database to build a training dataset for an LLM-based event prediction model; fixed-price $1,000, contractor role, intermediate level, remote worldwide.
View jobPosted Feb 19, 2025
Built for Your AI Training Career
One platform to find jobs from 20+ platforms, build your portfolio, and grow your career.
One profile, one inbox, one portfolio. Jobs from 20+ platforms.
Urgently hiring across 40+ skill domains.
Platforms
Data Science AI roles across 20+ platforms
Work from
Scale AI
Label Studio
Argilla
Encord
CVATScale AILabel StudioArgillaEncordCVAT
SuperAnnotate
Labelbox
Roboflow
Dataloop
Snorkel AISuperAnnotateLabelboxRoboflowDataloopSnorkel AI
Your data science AI career grows with every project.
Frequently Asked Questions
Everything you need to know about joining and finding work on OpenTrain.