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.

AfterQuery
Pharmacy AI Accuracy +10 Interpretation Insurance Monitoring Onboarding MATCH Training English Specialty Pharmacy AI Training AI Training Data
  • Remote (Global)
  • $55/hr
  • Aug 27, 2026

Certified pharmacy technicians to build the medication workflow scenarios frontier AI labs use to test practical accuracy. AfterQuery builds the expert evaluation data that frontier AI labs use to measure and improve their models.

Assemble
AI Training STEM +12 Mathematics Physics Chemistry Engineering Problem Solving English Mandarin Chinese Vietnamese Flexible Payments AI Training Mechanical Engineering
  • Remote (Global)
  • Aug 26, 2026

We are seeking experienced professionals from STEM fields (Mathematics, Physics, Chemistry, Mechanical Engineering) to join the artificial intelligence (AI) revolution.

Micro1
AI Expert - Legal Contractor
Litigation AI Consistency +11 Strategic Thinking Leadership Authorization Governance English Precision Training Project Leadership Legal Drafting Motion Practice AI Training
  • Remote (Global)
  • $100/hr
  • Aug 26, 2026

Role Title: Litigation Attorney (Shareholder / LLC) Role Type: Contractor Location: Remote micro1 is engaging Litigation Attorneys (Shareholder / LLC) to contribute to a cutting-edge project focused on evaluating and improving AI systems in the context of complex commercial…

Verita AI
AI Training Accuracy +12 Reasoning Interpretation Medicine Audit Documentation Diagnosis Planning Management Communication Problem Solving AI Training Medical Reasoning
  • Remote (Global)
  • $150/hr
  • Aug 25, 2026

We're hiring General Physicians to contribute real-world clinical expertise to AI training and evaluation workflows. You will work inside simulated clinical desktop environments — "worlds" that replicate the documents, apps, and services a physician would have on their screen,…

Workbolt
AI Expert - Accounting Contractor Talent pool
Accounting AI Flexible +10 Reconciliations Audit Workpapers Accuracy Documentation Compliance Onboarding Journal Entries Financial Statements Audit Workpapers
  • Remote (Global)
  • $70 – $150/hr
  • Aug 25, 2026

Join Workbolt AI’s Accounting Expert Talent Network to be considered for flexible contract opportunities with AI labs and technology companies seeking experienced accounting professionals. This is an open application for future projects—not a guarantee of immediate work.

Truelancer
First-Person / POV Capture Contractor ↘ +31 regions
  • United Arab Emirates, Argentina, Australia +28BoliviaBrazilBelizeCanadaChileColombiaCosta RicaEcuadorGuatemalaHondurasJapanSouth KoreaMexicoNicaraguaNew ZealandPanamaPeruPuerto RicoParaguayQatarSaudi ArabiaSingaporeEl SalvadorTaiwanUkraineUruguayVenezuelaSouth Africa
  • $6 – $10/hr
  • Aug 21, 2026

We are looking for individuals to participate in a commercial video collection project focused on capturing first-person (egocentric) videos from everyday activities.

Alignerr
Transcription Alignment AI +12 Training Accuracy MATCH Microsoft Word Captioning Linguistics Subtitling Annotation Microsoft Excel Flexible Organization Grammar
  • Remote (Global)
  • $10-35/hr
  • Aug 19, 2026

What if your ear for detail and obsession with accuracy could directly shape how AI understands human speech? We're looking for Audio Transcription & Alignment Specialists in the Sydney area to clean up word-level transcripts inside a proprietary editor — correcting text and…

Rise Data Labs
AI Expert - Finance Contractor
Finance AI Training +12 Accuracy Reasoning Rubrics Research Testing Economics Management Modeling Valuation Accounting Onboarding AI Training
  • Remote (Global)
  • Up to $150/hr
  • Aug 19, 2026

Rise Data Labs is seeking experienced finance professionals for a short-term AI training and evaluation project. We're looking for professionals with strong real-world finance expertise who can apply their knowledge and judgment to develop challenging finance tasks, evaluate…

Mercor
AI Expert - Biology Contractor
AI Chemistry Optimization +12 Research Biology Engineering Pharmacology Flexible CRO Diagnostics Medical Writing Drug Development AI Platforms Materials Science Drug Discovery
  • Remote (Global)
  • $60 – $100/hr
  • Aug 15, 2026

Mercor is partnering with a venture-backed AI lab building frontier AI platforms and physics-based foundation models for chemistry, materials science, and drug discovery.

Ask Ethos
AI Expert - Finance Contractor
Finance Planning AI +10 Budgeting & Forecasting Spreadsheets Flexible Modeling Communication Personal Finance Financial Planning Remote Work Written communication Attention to Detail
  • Remote (Global)
  • $70/hr
  • Aug 15, 2026

We're working with a leading foundational AI lab to find experienced personal finance and consumer planning advisors who can help train their latest language model on professional document, spreadsheet, and slide deck tasks.

Ask Ethos
AI Expert - Finance Contractor
Finance AI Spreadsheets +8 Flexible Leadership Communication Corporate Finance Remote Work Rolling Forecasts Written communication Attention to Detail
  • Remote (Global)
  • $100/hr
  • Aug 15, 2026

We're working with a leading foundational AI lab to find experienced FP&A and corporate finance professionals who can help train their latest language model on professional document, spreadsheet, and slide deck tasks.

Ask Ethos
Humanities Culture AI +11 Institutions Spreadsheets Programming Flexible Research Writing Communication Remote Work Research Methods Written communication Attention to Detail
  • Remote (Global)
  • $70/hr
  • Aug 15, 2026

We're working with a leading foundational AI lab to find experienced humanities and arts professionals who can help train their latest language model on professional document, spreadsheet, and slide deck tasks.

Stay in the loop.

One email per week, 5 hand-picked roles.