Join Workbolt AI's Mathematics PhD Talent Network to be considered for flexible contract opportunities with leading AI labs and technology companies. This is an open application for future projects, not a guarantee of immediate work.
Curated remote opportunities
Remote AI & Data Training Jobs in Costa Rica 2026
1944 remote jobs open to candidates in Costa Rica in AI & Data Training. Updated daily.
Join Workbolt AI's Physics PhD Talent Network to be considered for flexible contract opportunities with leading AI labs and technology companies. This is an open application for future projects, not a guarantee of immediate work.
Automation
Organization
Testing
+12
Instrumentation
Procedures
Analysis
ROOT
Engineering
Electronics
Python
MATLAB
C++
Documentation
Problem Solving
Automated Testing
Mercor is partnering with a leading technology organization to recruit experienced Electrical Test Automation Engineers for a short-term project.
Organization
Engineering
Documentation
+12
Analysis
Infrastructure
Manufacturing
AutoCAD
Revit
Transformers
Automation
Instrumentation
Problem Solving
Power Systems
Control Systems
Technical Documentation
Mercor is partnering with a leading technology organization to recruit experienced Electrical Design Specialists for a short-term project.
Engineering
Organization
Simulation
+11
Electronics
Analysis
Modeling
Communications
Testing
COMSOL
MATLAB
Research
Problem Solving
Technical Specifications
Electrical Engineering
Mercor is partnering with a leading technology organization to recruit experienced Radio Frequency (RF) and Electromagnetic (EM) Engineering Experts for a short-term project.
AfterQuery builds the expert evaluation data that frontier AI labs use to measure and improve their models. We're hiring health economists as contractors to author and grade the economic evaluations those assessments run on.
Technical writers build expert-level evaluation and training data for frontier AI labs. AfterQuery partners with frontier AI labs to build expert-level evaluation and training data.
Training
AI
Engineering
+7
Biomechanics
Biomaterials
Accuracy
Communication
Biomedical Engineering
Written communication
Communication Skills
Biomedical engineers build expert-level evaluation and training data for frontier AI labs. AfterQuery partners with frontier AI labs to build expert-level evaluation and training data.
Training
AI
Permitting
+12
Compliance
Analysis
Modeling
Accuracy
Engineering
Geology
Hydrology
Communication
Compliance Analysis
Environmental Science
Written communication
Communication Skills
Environmental scientists and engineers build expert-level evaluation and training data for frontier AI labs. AfterQuery partners with frontier AI labs to build expert-level evaluation and training data.
Training
AI
Finance
+12
Derivatives
Analysis
Modeling
Mathematics
Statistics
Physics
Research
Python
C++
Quantitative Finance
Derivatives Pricing
Time-Series Analysis
Quantitative researchers and analysts build expert-level evaluation and training data for frontier AI labs. AfterQuery partners with frontier AI labs to build expert-level evaluation and training data.
Credentialed actuaries build expert-level evaluation and training data for frontier AI labs. Paid hourly, fully remote, fully async.
Training
AI
Nursing
+11
Education
Triage
Documentation
Accuracy
Healthcare
Communication
Patient Education
Clinical Documentation
Written communication
Communication Skills
Nursing Practice
Registered nurses build expert-level evaluation and training data for frontier AI labs. Paid hourly, fully remote, fully async. AfterQuery partners with frontier AI labs to build expert-level evaluation and training data.
Tamil
Transcription
Accuracy
+12
AI
Consistency
Grammar
Annotation
Communication
English
Collaboration
Linguistics
Audio Content
Language Review
Linguistic Annotation
Attention to Detail
micro1 is engaging Tamil Transcription Experts to contribute to a unique customer project focused on linguistic accuracy and digital content enrichment. In this role, you'll apply your expertise to help train next-generation AI systems.
Telugu
Transcription
AI
+12
Communication
Collaboration
Accuracy
Consistency
Channels
Annotation
Proofreading
Editing
Verbal communication
Attention to Detail
Linguistic Annotation
Annotation Tools
micro1 is engaging Telugu Transcription Experts to contribute to a high-impact customer project focused on language data excellence. In this role, you'll apply your expertise to help train next-generation AI systems.
German
Transcription
AI
+12
Accuracy
Communication
Metadata
Assurance
Consistency
Confidentiality
Compliance
Linguistics
Annotation
Problem Solving
German Language
Verbal communication
micro1 is engaging German Transcription Experts to contribute to a customer project focused on optimizing and advancing language technologies. In this role, you'll apply your expertise to help train next-generation AI systems.
AI
Analysis
Economics
+12
Positioning
Rubrics
Decision Making
MBA
Finance
Communication
Documentation
Reasoning
Venture Capital
Market Sizing
Competitive Analysis
Cap Tables
Role Title: Venture Capital Associate Role Type: Contractor Location: Remote micro1 is engaging Venture Capital Associates to contribute to a groundbreaking project focused on building datasets that capture the nuanced workflows of modern venture capital.
AI
LBO
Monitoring
+12
Analysis
IRR
Accuracy
Alignment
Rubrics
Documentation
Training
Economics
MBA
Finance
Communication
Private Equity
Role Title: Private Equity Associate Role Type: Contractor Location: Remote micro1 is engaging Private Equity Associates to contribute expertise to a customer's project focused on enhancing AI-driven private equity workflows.
Economics
AI
Valuation
+12
Analysis
DCF
LBO
Accuracy
Formatting
Alignment
Rubrics
Reasoning
Precision
Documentation
Communication
Training
Role Title: Investment Banking Associate Role Type: Contractor Location: Remote micro1 is engaging Investment Banking Associates to contribute their expertise to a project focused on building high-quality datasets that reflect authentic investment banking workflows.
Research
Analysis
Documentation
+12
Spanish
Litigation
Case Law
Verification
JD
Spanish Language
Writing
Reasoning
Consulting
Databases
English
Legal Research
Legal Professionals – Latin America | Spanish-Speaking Jurisdictions About the Project We are looking for experienced legal professionals with strong expertise in Spanish-speaking jurisdictions across Latin America to support a legal research and analysis project.
AI
Statistics
Experimentation
+9
Reasoning
Machine Learning
Finance
Research
Communication
Quantitative Reasoning
Data Science
Structured Feedback
Written communication
Role Title: Data Scientist Role Type: Contractor Location: Remote About the Role micro1 is partnering with a leading AI lab to hire data scientists and quantitative professionals from top companies.
Role Title: Senior Software Engineer Role Type: Contractor Location: Remote About the Role micro1 is partnering with a leading AI lab to hire senior software engineers from top companies.
Finance
AI
Economics
+12
Reasoning
Valuation
Modeling
Analysis
Communication
English
Investment Banking
Private Equity
Venture Capital
Financial Reasoning
Financial Modeling
Investment Analysis
Role Title: Investment & Finance Expert Role Type: Contractor Location: Remote About the Role micro1 is partnering with a leading AI lab to hire finance professionals from investment banking, private equity, venture capital, and hedge funds.
Management
AI
Training
+12
Consulting
Analysis
Communication
Strategic Thinking
Reasoning
English
AI Training
Structured Problem Solving
Problem Solving
Financial Analysis
Written communication
Business Strategy
Role Title: Management Consultant Role Type: Contractor Location: Remote About the Role micro1 is partnering with a leading AI lab to bring on former management consultants for high-impact AI training and evaluation projects.
AI
Reasoning
Strategic Thinking
+8
Product Management
Formatting
Analytics
English
Monitoring
Onboarding
MATCH
Training
Product managers to build the product judgment scenarios frontier AI labs use to test model reasoning on prioritization, specs, and strategy. AfterQuery builds the expert evaluation data that frontier AI labs use to measure and improve their models.