OpenTrain AI by country
OpenTrain AI Jobs in Portugal
21 of OpenTrain AI's 32 open roles accept applicants in Portugal right now. They typically pay $18 to $55 an hour (about €16 to €49).
Remote OpenTrain AI roles you can apply to from Portugal
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CBRN Safety RLHF Expert (opens the job details)
AI Evaluation · Remote· 1mo agoDetails
$50–$52/hr- $15–$40/hr
- $5–$7/hr
Polygon Segmentation Specialist for Recycling Images (opens the job details)
Data Annotation · Remote· 1y+ agoDetails
$5/hr- $30–$55/hr
- $15–$40/hr
Computational Chemistry Problem Designer, PhD (opens the job details)
Math & STEM · Remote· 7mo agoDetails
$15–$60/hrAccounting And Finance Document Annotation Specialist (opens the job details)
Data Annotation · Remote· 6mo agoDetails
$7–$9/hrDocument Data Extraction for Legal and Finance Records (opens the job details)
Data Annotation · Remote· 6mo agoDetails
$8–$11.20/hr- $14/hr
AI Workflow Engineer (LLM Integration & Prompting) (opens the job details)
Agentic & RL Envs · Remote· 7mo agoDetails
$15–$45/hrSenior Data Science AI Task Designer (Python & SQL) (opens the job details)
Math & STEM · Remote· 11mo agoDetails
$50/hr- $15–$50/hr
Data Science Expert (Python, SQL, GenAI) (opens the job details)
Domain Experts · Remote· 7mo agoDetails
$15–$40/hrIntegration Developer (API Specialist) (opens the job details)
Agentic & RL Envs · Remote· 7mo agoDetails
$15–$45/hr- $300/accepted task
Evaluation Scenario Writer for AI Agents (opens the job details)
Agentic & RL Envs · Remote· 10mo agoDetails
$18–$24/hrAutomotive Engineering AI Trainer and QA Reviewer (opens the job details)
Domain Experts · Remote· 1y+ agoDetails
$40/hrMechanical Engineering AI Trainer (Python) (opens the job details)
Domain Experts · Remote· 11mo agoDetails
$10–$45/hrElectrical Engineering Python Specialist Degree Required (opens the job details)
Domain Experts · Remote· 7mo agoDetails
$15–$50/hr
What OpenTrain AI pays in Portugal, by kind of work
Figures in EUR use the European Central Bank reference rate of 10 Nov 2026, US$1 = 0.89 EUR.
| Kind of work | Open here | Typical pay |
|---|---|---|
| Law, Medicine & Finance | 6 | $30-$50/hrabout €27 to €45 |
| Agentic Tasks & RL Environments | 4 | $25-$45/hrabout €22 to €40 |
| Data Annotation & Labeling | 3 | $6-$11/hrabout €5 to €10 |
| Coding & Software Evaluation | 2 | Too few rates |
| AI Evaluation & Rating (RLHF) | 2 | Too few rates |
| Math & STEM | 2 | Too few rates |
| Transcription, Audio & Speech | 1 | Too few rates |
| Red-Teaming & AI Safety | 1 | Too few rates |
How OpenTrain AI pays
Its payment terms name bank transfer and Stripe. Sources →
Where OpenTrain AI hires
OpenTrain AI's row in AI Training Platforms Compared, our research over 14 Oct 2026 to 10 Nov 2026, rebuilt every day. Every figure opens the roles it counts, and each table its place among the others in the report.
Who may apply, by platform
Which platforms hire worldwide, and which limit roles to some countries?
| Platform | Says open worldwide | Only listed countries |
|---|---|---|
| OpenTrain AI | 38.7% |
OpenTrain AI in Portugal: common questions
Does OpenTrain AI work in Portugal?
Yes. 21 of OpenTrain AI's 32 open roles accept applicants in Portugal right now and 21 to a list of countries that includes Portugal.
How much does OpenTrain AI pay in Portugal?
OpenTrain AI's roles open to applicants in Portugal typically pay $18 to $55 an hour, with a median of $30 (about €16 to €49, at the European Central Bank reference rate of 10 Nov 2026, US$1 = 0.89 EUR). Rates are posted in US dollars; check each posting, since some platforms vary their rate by location.
How does OpenTrain AI pay people in Portugal?
OpenTrain AI's payment terms name bank transfer and Stripe (its payment terms).
OpenTrain AI in other countries
Other platforms hiring in Portugal
Ordered by what applying is worth, lifted by a referral boost for the platforms that pay us a referral fee; it never changes what a platform pays you.