Staff a frontier AI data initiative building Python backend applications (emulating SaaS tools like Slack, Jira, Notion) and task evaluation rubrics for AI coding agents.
Curated remote opportunities
Remote AI & Data Training Jobs in Costa Rica 2026
1948 remote jobs open to candidates in Costa Rica in AI & Data Training. Updated daily.
Data Annotation
Computer Vision
Quality Assurance
+6
Attention to Detail
English
Video Annotation
Robotics
Remote Work
Independent Work
Join Sovrano AI's qualified pool of Robotics Data Annotators by completing a free qualification process. Label robotic and manual actions in short video clips with precision and consistency for future AI robotics projects.
Research
Training
Machine Learning
+12
Make
Accuracy
Quantization
Distillation
Modeling
Fine-Tuning
DPO
RLHF
RLAIF
Calibration
PyTorch
JAX
We're looking for experienced machine learning researchers with hands-on experience training and improving deep learning models end-to-end, across vision and language. You'll work on well-scoped empirical open-ended ML research problems.
Evaluate and improve Large Language Models in physical and human geography, GIS concepts (QGIS/Esri), climate, geopolitics, and demographics by crafting challenging prompts and evaluating model accuracy.
We are seeking a highly analytical Python Developer with a computational background to design research-grade scientific problems and Python solutions for frontier AI model training.
We are seeking an experienced Game Design Subject Matter Expert to support the development and evaluation of AI model outputs in game mechanics, level design, RPG progression loops, XP economies, and quest mechanics.
We are seeking an experienced Sales Subject Matter Expert (SME) to contribute specialized knowledge to AI and Large Language Model (LLM) projects, focusing on sales strategies, customer engagement, lead generation, and CRM tools like Salesforce.
AI
Testing
Communication
+12
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Verification
Productive Playhouse is building a talent pool of Zulu speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models. Open to freelancers based outside the U.S.
AI
Testing
Communication
+12
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Verification
Productive Playhouse is building a talent pool of Yoruba speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Vietnamese
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Vietnamese speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Urdu
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Urdu speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models. Open to freelancers based outside the U.S.
Turkish
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Turkish speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Mandarin Chinese
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Traditional Chinese speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Thai
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Thai speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models. Open to freelancers based outside the U.S.
Telugu
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Telugu speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Tamil
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Tamil speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Swedish
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Swedish speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Swahili
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Swahili speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Spanish
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Spanish (Spain) speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
AI
Testing
Communication
+12
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Verification
Productive Playhouse is building a talent pool of Somali speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Mandarin Chinese
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Simplified Chinese speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Russian
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Russian speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
Polish
AI
Testing
+12
Communication
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Productive Playhouse is building a talent pool of Polish speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.
AI
Testing
Communication
+12
Flexible
Optimization
English
Writing
Onboarding
Teaching
Programming
Transcription
Translation
Localization
Analysis
Verification
Productive Playhouse is building a talent pool of Oromo speakers for an upcoming project testing and evaluating leading AI chatbots. The objective is to enhance response quality through direct user interaction with the various AI models.