Remote AI training jobs in Costa Rica
Open AI training and data labeling positions available to applicants in Costa Rica. Every job is remote — apply with a free OpenTrain account.
2 open positions
Web Developer (HTML/CSS/JS) - AI Data (US/CA)
Join a remote, part-time contractor project creating detailed annotations, Q&A pairs, and code edits from website screenshots. Must be based in the USA or Canada, have 2+ years of frontend experience, and be available for 20+ hours/week with a competitive hourly rate (max $25/hr).
View jobPosted Aug 6, 2024
German Web Developer (HTML/CSS/JS) - AI Data Labeling
Join an ongoing AI-training project as a German-speaking frontend developer to annotate websites, create Q&A pairs, and improve HTML/CSS/JS from screenshots. Contract, part-time, remote within Germany at $25/hr; must be available to start by Aug 12 and pass a coding test.
View jobPosted Aug 6, 2024
French Web Developer (HTML/CSS/JS) - AI Data Labeling
Join an ongoing AI training project as a French-native frontend developer to create detailed annotations, Q&A pairs, and code fixes from website screenshots; start Aug 12, commit 15+ hours/week, and earn $20.50/hr (coding test required).
View jobPosted Aug 6, 2024
Spanish Web Developer (HTML/CSS/JS) - AI Data Labeling
Join a remote, part-time project creating annotations, Q&A pairs, and code edits from website screenshots using your HTML/CSS/JS expertise. Immediate start (Aug 12), minimum 15 hrs/week, $8.82/hr, coding skills test required.
View jobPosted Aug 6, 2024
Spanish (USA only) - Creative Writing (LLM Chatbot Training)
Remote contract role crafting Spanish dialogue to train LLM chatbots — $25/hr, flexible schedule (min 10 hrs/week, preferred 20+). Must be a US-based native Spanish speaker with 5+ years of full-time US residency and strong creative writing experience.
View jobPosted Aug 6, 2024
Chinese (Cantonese) - Creative Writing (LLM Training)
Remote contract role creating Cantonese dialogue and refining AI chatbot responses; $19/hr, flexible hours with a 10-hour minimum and preferred 20+ hrs/week. Ideal for experienced Cantonese creative writers with prior platform writing experience (OpenTrain, OpenTrain, etc.).
View jobPosted Jul 30, 2024
Chinese (Mandarin) - Creative Writing (LLM Training)
Join a remote contract role crafting Mandarin dialogue and responses to train AI chatbots; flexible hours (min 10 hrs/week, prefer 20+), $15/hr, worldwide applicants welcome. Strong Mandarin creative-writing experience and prior platform writing work are highly valued.
View jobPosted Jul 25, 2024
Polybox segmentation for clicking on screen
Draw polygon masks on ~1,000 game screenshots to mark all acceptable click points for an on-screen door; part-time contract work using Labelbox at $8/hour. Entry-level and remote-friendly—gaming experience is helpful.
View jobPosted Jul 23, 2024
Portuguese - Creative Writing (LLM Chatbot Training)
Remote contract role crafting Portuguese dialogue and refining AI responses to train LLM chatbots; flexible hours (minimum 10, preferred 20+ hrs/week) at $17/hour. Ideal for experienced Portuguese creative writers with data-labeling platform experience.
View jobPosted Jul 23, 2024
French - Creative Writing (LLM Chatbot Training)
Freelance French creative writer needed to craft and refine chatbot dialogue for LLM training; $27/hr, remote and flexible with a 10-hour weekly minimum (preferred 20+). Ideal for writers with strong French skills and prior experience on data-labeling platforms.
View jobPosted Jul 23, 2024
Spanish (Mexico/Chile) - Creative Writing (LLM Chatbot Training)
Remote contract role creating natural, culturally authentic Spanish dialogue to train and refine LLM chatbots; flexible hours with a 10-hour minimum and preferred 20+ hours/week at $8.21/hr. Ideal for experienced Spanish creative writers familiar with data-labeling platforms.
View jobPosted Jul 23, 2024
Italian - Creative Writing (LLM Chatbot Training)
Remote contract role writing and refining Italian dialogue to train LLM chatbots; $28/hr, minimum 10 hours/week with a preferred 20+ hours, flexible schedule. Strong Italian creative-writing experience required; prior annotation-platform writing is highly preferred.
View jobPosted Jul 23, 2024
German - Creative Writing (LLM Chatbot Training)
Remote contractor role writing and refining German dialogue for LLM chatbot training; flexible hours, USD 24/hr, minimum 10 hours/week (20+ preferred). Prior creative German writing and platform experience strongly preferred.
View jobPosted Jul 23, 2024
Japanese - Creative Writing (LLM Chatbot Training)
Remote contract role for Japanese creative writers to craft and refine LLM chatbot dialogue at $20/hr; minimum 10 hours/week with a preferred 20+ hours commitment. Worldwide, part-time contractor work — prior data-labeling writing experience and a Japanese portfolio are strongly preferred.
View jobPosted Jul 23, 2024
Korean - Creative Writing (LLM Chatbot Training)
Remote contract for a Korean creative writer to craft and refine chatbot dialogue and AI responses; flexible hours (min 10 hrs/wk, preferred 20+), $17/hr. Ideal candidates have strong Korean writing, cultural/dialect knowledge, and experience writing on data-labeling platforms.
View jobPosted Jul 23, 2024
Audio Edit Quality Annotation for Speech Dataset Training
Remote contract role reviewing 5 hours of edited audio to label edit quality and segment problematic regions; requires audio-editing experience and attention to detail. Paid per label at $0.1275 USD using Label Studio.
View jobPosted Jul 16, 2024
Advanced Python - Quality Assurance - Long-term
Experienced Python QA needed to review code and LLM training artifacts for a long-term remote contract; 30–40 hrs/week, $13/hr, 6+ months. Requires 5+ years Python experience, B2 English minimum, strong QA skills, and commitment to SLA standards.
View jobPosted Jun 25, 2024
Typescript Coders - Ongoing LLM/AI Training
Join a long-term, remote TypeScript project training LLMs: write and debug TypeScript snippets, create accurate training datasets, and optimize AI-generated code. Part-time contractor role (20–40 hrs/week) paying $7.25/hr; applicants need 2+ years TypeScript experience.
View jobPosted Jun 25, 2024
Javascript Developers - Long-term AI Training Project
Seeking experienced JavaScript developers (2+ years) for a 6-month remote contract, 20–40 hrs/week, creating and debugging JavaScript code to build training data for AI models. Apply to receive a JavaScript coding assessment; this role pays USD 6.90/hr and is contractor, part-time.
View jobPosted Jun 25, 2024
C++ Programmers - LLM Training Data - Ongoing Project
Join a long-term, remote project writing and debugging C++ code to create high-quality training data for LLMs; expected commitment 20–40 hrs/week for ~6 months at $6.85/hr. Applicants must have a Bachelor’s/Master’s and at least 2 years of professional C++ experience.
View jobPosted Jun 25, 2024
Java Developers | AI/LLM Training Tasks | Long-term
Join a long-term, remote AI training project writing and debugging Java code to create high-quality training datasets; flexible 20–40 hrs/week on a contractor basis at $6.75/hr. Submit a proposal to receive a Java coding assessment and be considered for a 6+ month engagement.
View jobPosted Jun 25, 2024
Scala Developers - AI/LLM Training (Long-term Project)
Remote contract position writing and debugging Scala code to build training datasets for AI models; $9.28/hr, long-term (6+ months), 20–40 hrs/week with flexibility. Requires 2+ years professional Scala experience and a CS/engineering degree.
View jobPosted Jun 22, 2024
C Programmers - AI Training Data - Long-term Project
Join a long-term, remote AI training project creating and debugging C code for model training; contract, part-time work at $8.85/hr with flexible hours (20–40 hrs/week) for 6+ months. Submit a proposal to receive a short C coding assessment as the next step.
View jobPosted Jun 22, 2024
Kotlin Programmers - AI Training - Long-term Project
Join a long-term remote AI training project creating and debugging Kotlin code to build accurate training datasets; 20–40 hrs/week, flexible schedule, $9.50/hr, 6+ months. Candidates must have a Bachelor's/Master's and at least 2 years of Kotlin experience.
View jobPosted Jun 22, 2024
C# Developers - Computer Programming - Ongoing Project
Join a long-term remote AI training project writing and debugging C# code to build training datasets for models; flexible 20–40 hrs/week at $9/hr. Requires a CS/engineering degree and at least 2 years of professional C# experience; a coding assessment follows application.
View jobPosted Jun 22, 2024
"Go" Developers | Computer Programming | Long-term Project
Join a long-term, remote project writing and debugging Go code to create training data for AI models; contract role, 20–40 hrs/week, $9/hr. Candidates must have at least 2 years of professional Go experience and be comfortable working in English.
View jobPosted Jun 22, 2024
Advanced Swift/iOS Developers - Quality Assurance/Code Review
Remote contractor role reviewing Swift/iOS code used to train AI models. $14/hr, ongoing 3–6 month project; expect 20+ hours/week (many contributors work 30–40 hrs); must have 5+ years Swift experience and B2+ English.
View jobPosted Jun 18, 2024
Python Coding - Data Labeling/AI Training Data
Join an ongoing contractor role creating and debugging Python code to train AI models; commit 20–40 hours/week for 3–6 months at $8/hr USD. Ideal for Python developers with 2+ years' experience, strong English, and LLM training experience preferred.
View jobPosted Jun 18, 2024
Swift/iOS Programmer - LLM Coding
Join a remote, part-time contract role creating Swift coding prompts and responses to train LLMs — 20+ hrs/week at $12/hr. Must be highly proficient in Swift with 2+ years of iOS experience and strong English; LLM training experience is a plus.
View jobPosted May 17, 2024
Label instances of People - Small project
Small, entry-level task: review 100 dashcam images and mark which contain people. Fixed-price contract ($5.95) using Label Studio; remote, part-time work up to 20 hours/week.
View jobPosted May 4, 2024