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Remote data annotation jobs in Costa Rica

507 open data annotation roles available to applicants in Costa Rica, refreshed hourly.

← All Data Annotation jobs ← All roles in Costa Rica
Alignerr Verified
remote · hourly
Researcher - Lean 4 & Formal Proof Systems
STEM
Posted Aug 26, 2026
$170–$200/hr
Alignerr Verified
remote · hourly
Computer Engineering Expert - AI Content Specialist
Software Engineering
Posted Aug 26, 2026
$35–$60/hr
Alignerr Verified
remote · hourly
Environmental Engineering - AI Data Trainer
Software Engineering
Posted Aug 26, 2026
$35–$60/hr
Alignerr Verified
remote · hourly
Health Policy & Management - AI Content Specialist
STEM
Posted Aug 26, 2026
$35–$55/hr
Alignerr Verified
remote · hourly
Business Administration (MBA) - AI Content Specialist
STEM
Posted Aug 26, 2026
$45–$90/hr
Alignerr Verified
remote · hourly
Nursing Informatics Specialist
STEM
Posted Aug 26, 2026
$35–$80/hr
Alignerr Verified
remote · hourly
Korean Language Quality Analyst
Other
Posted Aug 26, 2026
$20–$40/hr
Alignerr Verified
remote · hourly
Chemist, PhD
STEM
Posted Aug 26, 2026
$90–$120/hr
Alignerr Verified
remote · hourly
Senior Retail Trading Analyst – Prediction Markets
Other
Posted Aug 26, 2026
$40–$65/hr
Alignerr Verified
remote · hourly
Finance Analyst (Spanish Fluency Required)
Other
Posted Aug 26, 2026
$25–$80/hr
Alignerr Verified
remote · hourly
Senior Rust Engineer — AI Data & Infrastructure
Software Engineering
Posted Aug 26, 2026
$50–$75/hr
Alignerr Verified
remote · hourly
Principal Rust Engineer - ML Infrastructure
Software Engineering
Posted Aug 26, 2026
$50–$75/hr
Alignerr Verified
remote · hourly
Senior Python Full-Stack Engineer — AI Data & Infrastructure
Software Engineering
Posted Aug 26, 2026
$50–$75/hr
Alignerr Verified
remote · hourly
Python Software Engineer - AI Workflows
Software Engineering
Posted Aug 26, 2026
$50–$75/hr
Alignerr Verified
remote · hourly
Systems Software Engineer - Machine Learning Ops
Software Engineering
Posted Aug 26, 2026
$50–$75/hr
Alignerr Verified
remote · hourly
Data Infrastructure Developer (C++)
Software Engineering
Posted Aug 26, 2026
$50–$75/hr
Alignerr Verified
remote · hourly
Mathematics Specialist (Masters/PhDs)
STEM
Posted Aug 26, 2026
$75–$90/hr
Alignerr Verified
remote · hourly
Biology Researcher (Masters/PhDs)
STEM
Posted Aug 26, 2026
$75–$90/hr
Alignerr Verified
remote · hourly
Atmospheric Science Expert (Masters/PhDs)
STEM
Posted Aug 26, 2026
$75–$90/hr
Alignerr Verified
remote · hourly
Python Engineer
Software Engineering
Posted Aug 26, 2026
$60–$90/hr
Alignerr Verified
remote · hourly
Chemistry Expert or Specialist
STEM
Posted Aug 26, 2026
$40–$60/hr
Alignerr Verified
remote · hourly
Machine Learning Engineer
Software Engineering
Posted Aug 26, 2026
$50–$70/hr
Alignerr Verified
remote · hourly
Business Performance Analyst
STEM
Posted Aug 26, 2026
$40–$80/hr
Alignerr Verified
remote · hourly
Health Policy & Management
STEM
Posted Aug 26, 2026
$35–$55/hr
Other countries
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