--- title: "Hire Multilingual AI Data Experts · ES/PT [2026]" description: "Hire native Spanish and Portuguese AI training data specialists from LATAM: locale-aware datasets, cultural adequacy review, safety. Book a call in 48h." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Organization", "name": "HiresLink", "url": "https://www.hireslink.com", "logo": "https://www.hireslink.com/lovable-uploads/1d2b89d4-b968-4685-94d8-155c92aad496.png", "description": "AI-powered nearshore staffing platform connecting US companies with elite LATAM tech talent. 280+ clients, 48-hour shortlists, 50-60% cost savings.", "sameAs": [ "https://www.linkedin.com/company/hireslink", "https://twitter.com/hireslink" ] }, { "@context": "https://schema.org", "@type": "WebSite", "name": "HiresLink", "url": "https://www.hireslink.com", "potentialAction": { "@type": "SearchAction", "target": "https://www.hireslink.com/blog?q={search_term_string}", "query-input": "required name=search_term_string" } }, { "@context": "https://schema.org", "@type": "Service", "serviceType": "Multilingual AI Data Specialists Staffing", "provider": { "@type": "Organization", "name": "Hireslink", "url": "https://www.hireslink.com" }, "areaServed": [ { "@type": "Country", "name": "United States" }, { "@type": "Country", "name": "Argentina" }, { "@type": "Country", "name": "Brazil" }, { "@type": "Country", "name": "Colombia" }, { "@type": "Country", "name": "Mexico" }, { "@type": "Country", "name": "Chile" }, { "@type": "Country", "name": "Uruguay" } ], "description": "Hire native Spanish and Portuguese AI training data specialists from LATAM: locale-aware datasets, cultural adequacy review, safety labeling. 48h shortlist, from $20/hr.", "offers": { "@type": "AggregateOffer", "priceCurrency": "USD", "lowPrice": 20, "highPrice": 30, "offerCount": 1, "priceSpecification": { "@type": "UnitPriceSpecification", "priceCurrency": "USD", "minPrice": 20, "maxPrice": 30, "unitText": "HOUR" } } }, { "@context": "https://schema.org", "@type": "JobPosting", "title": "Multilingual AI Data Specialists - Remote LATAM", "description": "Hire native Spanish and Portuguese AI training data specialists from LATAM: locale-aware datasets, cultural adequacy review, safety labeling. 48h shortlist, from $20/hr.", "url": "https://www.hireslink.com/candidates/llm-specialists/multilingual-data", "hiringOrganization": { "@type": "Organization", "name": "Hireslink", "sameAs": "https://www.hireslink.com", "logo": "https://www.hireslink.com/lovable-uploads/1d2b89d4-b968-4685-94d8-155c92aad496.png" }, "jobLocationType": "TELECOMMUTE", "applicantLocationRequirements": { "@type": "Country", "name": [ "Argentina", "Brazil", "Colombia", "Mexico", "Chile", "Uruguay", "Peru", "Costa Rica" ] }, "skills": "Multilingual Data, es-MX, es-AR, pt-BR, Localization QA, Cultural Adequacy, Toxicity Labeling, Code-Switching, Translation Review, Safety Labels, Annotation Tools", "baseSalary": { "@type": "MonetaryAmount", "currency": "USD", "value": { "@type": "QuantitativeValue", "unitText": "HOUR", "minValue": 20, "maxValue": 30 } }, "employmentType": [ "FULL_TIME", "CONTRACTOR" ], "datePosted": "2026-09-18" }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How do you vet your remote talent?", "acceptedAnswer": { "@type": "Answer", "text": "We use a rigorous 3-stage vetting process: technical coding assessments, system design interviews, and English proficiency tests (B2+ required). Only the top 3% of applicants pass our screening, ensuring you get elite LATAM professionals." } }, { "@type": "Question", "name": "What are the costs of hiring through HiresLink?", "acceptedAnswer": { "@type": "Answer", "text": "You save 40-60% compared to U.S. hiring costs. Our LATAM professionals earn competitive rates while costing significantly less than domestic hires. No upfront fees—you only pay when you're satisfied with your hire after a risk-free trial." } }, { "@type": "Question", "name": "What is the time zone overlap with LATAM developers?", "acceptedAnswer": { "@type": "Answer", "text": "LATAM professionals work in UTC-3 to UTC-6 time zones, providing 4-8 hours of real-time overlap with U.S. teams. This enables live collaboration, daily standups, and seamless communication without the challenges of asynchronous work." } }, { "@type": "Question", "name": "Why not just translate my English training data?", "acceptedAnswer": { "@type": "Answer", "text": "Translated data teaches a model English-shaped Spanish. Native-written data captures real phrasing, formality and humor, and locale-specific harms simply don't survive translation." } }, { "@type": "Question", "name": "Do you staff by locale or by language?", "acceptedAnswer": { "@type": "Answer", "text": "By locale. Argentine, Mexican, Colombian and Brazilian usage diverge enough that a single 'Spanish' pod produces measurably worse results for a target market." } }, { "@type": "Question", "name": "What does multilingual AI data cost from LATAM?", "acceptedAnswer": { "@type": "Answer", "text": "$20-30/hr per specialist. US-based native reviewers for the same work typically run $60-100/hr through localization vendors." } }, { "@type": "Question", "name": "Can you build a toxicity taxonomy for Portuguese from scratch?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Native reviewers build locale-specific harm taxonomies covering slang, euphemisms and cultural references rather than translating an English list." } }, { "@type": "Question", "name": "How is quality signed off?", "acceptedAnswer": { "@type": "Answer", "text": "A native reviewer signs off on 100% of batches, and cultural adequacy review is applied on top of standard label accuracy metrics." } }, { "@type": "Question", "name": "Do they handle code-switching?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — Spanglish and mixed-language user data is one of the most common gaps in US consumer AI products and a routine part of this work." } }, { "@type": "Question", "name": "How fast can you staff a multilingual pod?", "acceptedAnswer": { "@type": "Answer", "text": "48-hour shortlist; multi-locale pods (es-MX + es-AR + pt-BR) typically ramp within 10 days." } }, { "@type": "Question", "name": "Can they work directly from English guidelines?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. C1+ English is a hiring requirement precisely so specialists work from your English spec without a translation layer." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.hireslink.com/" }, { "@type": "ListItem", "position": 2, "name": "Candidates", "item": "https://www.hireslink.com/candidates" }, { "@type": "ListItem", "position": 3, "name": "LLM Specialists", "item": "https://www.hireslink.com/candidates/llm-specialists" }, { "@type": "ListItem", "position": 4, "name": "Multilingual AI Data Specialists", "item": "https://www.hireslink.com/candidates/llm-specialists/multilingual-data" } ] } ] --- [![HiresLink](/assets/logo-hireslink-white-Dm6TMXTK.png) Hireslink A company from Bait Group ](/) Industries Candidates Services Company [Portal Login](https://clients.hireslink.com) Candidate Apply 1. [Home](/) 2. [Candidates](/candidates) 3. [LLM Specialists](/candidates/llm-specialists) 4. Multilingual AI Data Specialists Top 3% AI & Human Vetted • Bilingual Talent Your LATAM Hiring Department. # Hire Top-Tier Nearshore Multilingual AI Data Specialists in LATAM Skip the 3-month hiring process. Get vetted candidates in 48 hours. We interview from our 90K+ candidate network, handle negotiations, and present only candidates who match your requirements. 90K+ Network AI + Human Vetted Bilingual 48h Start 40% Savings See Available Multilingual AI Data SpecialistsI'm a Candidate ## LATAM Market Snapshot Live benchmarks from our nearshore talent network — the data US founders use to plan headcount and budget hires. $20-30/hr Average LATAM Multilingual AI Data Specialists Salary 48-72h Sourcing Speed 90K+ Vetted Talent Pool ## Tech Stack We Recruit For Multilingual Data es-MX es-AR pt-BR Localization QA Cultural Adequacy Toxicity Labeling Code-Switching Translation Review Safety Labels Annotation Tools ## Meet Elite LATAM LLM Specialists Professionals Pre-vetted talent ready to join your team within 48 hours ✓ AI-Vetted • Bilingual ![Ricardo Medina - Prompt Engineer](/assets/lucas-silva-CeM6pAog.jpg) ### Ricardo Medina Prompt Engineer 🇲🇽 Mexico 3+ years GPT-4 Claude Chain-of-Thought Few-Shot Starting at $20/hr ✓ AI-Vetted • Bilingual ![Fernanda Lima - LLM Fine-Tuning Specialist](/assets/maria-rodriguez-D903Alnh.jpg) ### Fernanda Lima LLM Fine-Tuning Specialist 🇧🇷 Brazil 4+ years RLHF LoRA SFT Dataset Curation Starting at $21/hr ✓ AI-Vetted • Bilingual ![Martín Vega - Data Annotation Lead](/assets/santiago-lopez-Be22_JpN.jpg) ### Martín Vega Data Annotation Lead 🇦🇷 Argentina 4+ years Labeling Tools Quality Control RLHF Feedback Starting at $15/hr ✓ AI-Vetted • Bilingual ![Carolina Díaz - Model Evaluation Engineer](/assets/isabella-morales-H3sgw30r.jpg) ### Carolina Díaz Model Evaluation Engineer 🇨🇴 Colombia 5+ years Benchmarking A/B Testing Metrics Quality Assurance Starting at $19/hr Request Your Shortlist ## Why Hire Multilingual AI Data Specialists from Latin America? Latin America has emerged as the premier destination for hiring elite multilingual ai data specialists with world-class technical expertise. The region offers a unique combination of highly skilled professionals, competitive pricing, and seamless collaboration advantages. LATAM multilingual ai data specialists are experts in cutting-edge technologies including Multilingual Data, es-MX, es-AR, pt-BR, Localization QA, enabling them to deliver exceptional results for startups and enterprises alike. With time zones ranging from UTC-3 to UTC-5, LATAM talent provides real-time collaboration with US teams—critical for agile development and rapid iteration. Companies partnering with Hireslink achieve 60% cost savings compared to US hiring while maintaining 98% match accuracy and 95%+ retention rates. Our vetted multilingual ai data specialists combine technical excellence with B2+ English proficiency and strong cultural alignment with North American business practices. ## How Hireslink Matches You with Multilingual AI Data Specialists Experts Our AI-powered recruiting platform uses advanced algorithms to match your specific requirements with the perfect multilingual ai data specialists candidates. Every professional in our network undergoes a rigorous 3-stage vetting process: - **Technical Assessment:** Comprehensive evaluation of Multilingual Data, es-MX, es-AR skills and hands-on coding challenges - **System Design & Architecture:** Real-world problem-solving scenarios to assess scalability thinking and best practices - **English Proficiency & Culture Fit:** B2+ level verification and alignment with remote work best practices Result: 48-hour shortlists with 3-5 perfectly matched candidates, 95%+ retention rate, and seamless team integration. ## Common Use Cases for Multilingual AI Data Specialists from LATAM ### GPT/Claude Fine-Tuning Custom model training with RLHF and SFT ### Prompt Engineering Optimizing LLM outputs for specific use cases ### Data Annotation at Scale 10K+ annotators for training data preparation ### Project Implementation End-to-end delivery with modern tech stacks ### Team Augmentation Scale your existing teams with specialized talent ### Technical Leadership Senior-level expertise for complex challenges ## What does a Multilingual AI Data Specialists LLM Specialists do? Native Spanish and Portuguese training data, localization review and locale-aware safety labeling #### Multilingual AI Data Specialist Full-Time • Remote es-MX, es-AR, Safety Labels $23/hour #### pt-BR Data Reviewer Full-Time • Remote Portuguese, Cultural Adequacy, QA $22/hour #### Localization QA Lead Contract • Remote Taxonomy Design, Native Sign-off $29/hour ### Key Responsibilities - Create native-quality datasets in Spanish, Portuguese and English - Review model outputs for cultural adequacy, not just literal accuracy - Build locale-specific toxicity and safety label sets - Handle code-switched data common in US Hispanic markets - Sign off on every batch as a native reviewer ## Why Source Multilingual AI Training Data from Latin America? Latin America is the natural source for native Spanish and Portuguese training data at scale, with the English fluency needed to work directly from En... ### Read Full Analysis Latin America is the natural source for native Spanish and Portuguese training data at scale, with the English fluency needed to work directly from English-language guidelines. That combination is rare and it is exactly what multilingual data programs require. Spanish is not one locale. Argentine, Mexican, Colombian and Chilean usage diverge in vocabulary, formality and humor, and models trained on European Spanish alone underperform for US Hispanic and LATAM users. We staff by locale, not just by language. Safety and toxicity labeling is locale-dependent: slurs, euphemisms and culturally-specific harms do not translate. Native reviewers catch what a translated guideline misses, which is why we run native sign-off on every batch rather than sampling. ### Anonymized: US consumer AI app expanding into Mexico and Brazil The model performed well in English and degraded badly in Spanish and Portuguese, with locale-specif... ### View Full Case Study #### The Challenge The model performed well in English and degraded badly in Spanish and Portuguese, with locale-specific safety failures that internal testing did not surface. #### The Solution Native pods in Mexico, Argentina and Brazil produced fine-tuning data, reviewed translations for cultural adequacy, and built locale-specific safety label sets with native sign-off on every batch. #### The Results - Native-quality datasets delivered across es-MX, es-AR and pt-BR - Locale-specific harm taxonomy covering slang and euphemisms - 100% of batches signed off by a native reviewer - Cultural adequacy review applied to all model-facing copy - Program ran with full US timezone overlap for guideline changes ### Interview Guide for Multilingual AI Data Specialists Use these questions to evaluate candidates during your interviews. ### View Interview Questions #### Technical Questions - • How do you decide when a Spanish dataset needs to be split by locale? - • What is cultural adequacy review and how does it differ from translation QA? - • How would you build a toxicity label set for Brazilian Portuguese from scratch? - • How do you handle code-switching between Spanish and English in user data? - • What quality metrics do you report on a multilingual annotation batch? #### Cultural Fit Questions - • Describe a time a literal translation would have caused a real problem. - • How do you push back when a guideline written in English does not map to your locale? - • How do you keep tone consistent across several native reviewers? - • What is your process for documenting locale decisions for future batches? ### Market Insights: Multilingual AI Data Demand in 2026 Current market trends and demand factors for this role. ### View Market Analysis #### Current Trends - Locale-level rather than language-level data requirements - Safety labeling being rebuilt per locale instead of translated - Growth in Spanish-language AI products for the US market - Portuguese demand rising with Brazilian enterprise AI adoption #### Demand Factors - US Hispanic market size driving Spanish-first product decisions - LATAM expansion by US AI companies - Underperformance of translated-only training data - Regulatory attention on non-English model safety Your Hiring Journey ## From Search to Hire in Days, Not Months We've automated and optimized every step of the hiring process so you can focus on building your product. STEP 01 Pre-built & Ready ### 90K+ Candidate Network Access our curated database of senior LATAM professionals. Every candidate is pre-screened for English (B2+), technical skills, and remote work readiness. No sourcing delays 1 2 STEP 02 90,000 → 500 Candidates ### AI Screening (Stage 1) Our AI analyzes your requirements and screens our 90,000+ candidate network against tech stack, timezone, experience, and culture fit. Only 500 pass to the next stage. Automated precision STEP 03 Only 3% Pass ### Human Expert Review (Stage 2) Senior recruiters conduct live interviews verifying bilingual communication (English/Spanish), technical depth, and culture fit. Only the top 3% make it to your shortlist. Bilingual verified 3 4 STEP 04 Ready to Interview ### 48h Shortlist Receive 3-5 AI & human vetted profiles with video intros, code samples, and detailed assessments. Schedule interviews directly with top candidates. Decision-ready profiles STEP 05 End-to-End Support ### Offer Management We handle salary negotiations, contract setup, and compliance. You focus on evaluating fit—we handle the paperwork and logistics. Zero admin burden 5 6 STEP 06 2-Week Trial ### Risk-Free Start Start with a paid trial period. If the hire doesn't work out, we replace them at no cost. 95% of our placements convert to long-term hires. No risk guarantee Only 3% of Candidates Pass AI Screening + Human Expert Review = Top 3% Bilingual Talent 90K+ AI-Screened Pool Top 3% Human Verified 100% Bilingual (EN/ES) 48h To Your Shortlist Start Hiring Multilingual AI Data Specialists ## Skills & Requirements Native Spanish or Portuguese with C1+ English Experience in localization, linguistics, content or annotation Understanding of locale differences across LATAM markets Ability to document locale decisions for reuse Detail orientation across large batches ## Typical Salary Range $20-30/hr Competitive rates for LATAM Multilingual AI Data Specialists LLM Specialists talent Calculate Your Savings ## Frequently Asked Questions ### Why not just translate my English training data? Translated data teaches a model English-shaped Spanish. Native-written data captures real phrasing, formality and humor, and locale-specific harms simply don't survive translation. ### Do you staff by locale or by language? By locale. Argentine, Mexican, Colombian and Brazilian usage diverge enough that a single 'Spanish' pod produces measurably worse results for a target market. ### What does multilingual AI data cost from LATAM? $20-30/hr per specialist. US-based native reviewers for the same work typically run $60-100/hr through localization vendors. ### Can you build a toxicity taxonomy for Portuguese from scratch? Yes. Native reviewers build locale-specific harm taxonomies covering slang, euphemisms and cultural references rather than translating an English list. ### How is quality signed off? A native reviewer signs off on 100% of batches, and cultural adequacy review is applied on top of standard label accuracy metrics. ### Do they handle code-switching? Yes — Spanglish and mixed-language user data is one of the most common gaps in US consumer AI products and a routine part of this work. ### How fast can you staff a multilingual pod? 48-hour shortlist; multi-locale pods (es-MX + es-AR + pt-BR) typically ramp within 10 days. ### Can they work directly from English guidelines? Yes. C1+ English is a hiring requirement precisely so specialists work from your English spec without a translation layer. ## 📚 Related Articles Explore insights on hiring strategies, market trends, and best practices for building remote teams [ ![Cost to Hire a Remote Payroll Specialist \[2026\]](https://ajrfrtiexzvxvomfrjnp.supabase.co/storage/v1/object/public/blog-images/2026/09/1789415200384-cost-to-hire-a-remote-payroll-specialist-2026.png) Cost to ### Cost to Hire a Remote Payroll Specialist \[2026\] A 40-person company running simple Gusto payroll probably does not need a Payroll Manager. 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Sep 18, 2026 20 min read Read Article ](/blog/best-places-hire-remote-payroll-specialists)[ ![10 Best Places to Hire Remote AP/AR Specialists \[2026\]](https://ajrfrtiexzvxvomfrjnp.supabase.co/storage/v1/object/public/blog-images/2026/09/1789414352689-10-best-places-to-hire-remote-ap-ar-specialists-2026.png) Best (Comparisons ### 10 Best Places to Hire Remote AP/AR Specialists \[2026\] Accounts payable and accounts receivable look like routine back-office functions until they start falling behind. Then the problems show up everywhere. Sep 18, 2026 20 min read Read Article ](/blog/best-places-hire-remote-ap-ar-specialists) ## Related Hiring Solutions [Staff Augmentation ](/services/staff-augmentation)[Headhunting Pro ](/services/headhunting-pro) ## Multilingual AI Data Specialists: US vs LATAM Salary Comparison Metric 🇺🇸 US Rate 🌎 LATAM Rate Savings Hourly Rate $44–$69/hr $20–$30/hr 56% Annual (Full-Time) $92K–$144K $42K–$62K 56% 5-Person Team (Annual) $458K–$718K $208K–$312K $250K+ saved Rates based on 2026 market data. LATAM rates include Hireslink's full-service model (payroll, HR, equipment). ## Related LLM Specialists Roles [ RLHF $26-36/hr ](/candidates/llm-specialists/rlhf)[ SFT $23-33/hr ](/candidates/llm-specialists/sft)[ Prompt Engineering $22-32/hr ](/candidates/llm-specialists/prompt-engineering)[ Data Annotation $17-27/hr ](/candidates/llm-specialists/data-annotation)[ Model Evaluation $21-29/hr ](/candidates/llm-specialists/model-evaluation) ## Explore More LATAM Talent Discover other specialized roles and build your complete remote team across Latin America [AI Specialists](/candidates/ai-specialists)[Full-Stack Developers](/candidates/developers/full-stack)[LLM Specialists](/candidates/llm-specialists)[Backend Engineers](/candidates/developers/backend)[UI/UX Designers](/candidates/design/ui-visual)[SDR & Sales Teams](/candidates/sales/sdr-bdr)[Growth Marketers](/candidates/marketing/growth)[Startup Talent](/industries/startups) ## Related Services & Talent Explore other ways HiresLink helps US startups scale with nearshore talent. [ ### Hire LATAM Software Engineers Bilingual senior engineers in US timezones, vetted in 48h. ](/hire/latam-software-engineers)[ ### Hire AI Automation Specialists n8n, Make, Zapier and OpenAI builders from $25/hr. ](/hire/ai-automation-specialists)[ ### Hire AI Implementation Specialists Rollout, integrations & adoption from $30/hr. ](/hire/ai-implementation-specialists)[ ### Hire LLM Developers RAG, fine-tuning and Generative AI talent from LATAM. ](/hire/llm-developers)[ ### Staff Augmentation Add vetted LATAM engineers to your team in 1–2 weeks. ](/services/staff-augmentation) Three ways to work with us ## Choose how you want to hire. Same network, same vetting bar. The difference is who employs the person and who runs the HR layer. ### Staffing & HR Management For companies building a team. HiresLink manages the hiring and HR/operational layer month to month. - Qualified candidates in 48 hours after the role brief - Unlimited free replacements for active staffing clients - Onboarding, payroll coordination, vacations and performance support - Lower of $800/month or a 25% management fee - $500 kickoff, credited to your first invoice [Build My Team](/services/hires-staffing) ### Headhunting / Direct Hire For companies making one specific key hire. You employ the person directly. One-time fee, no recurring management fee. - Qualified candidates in 48 hours after the role brief - 20% of first-year salary - $600 kickoff, credited to your first placement invoice - 90-day replacement (junior / semi-senior), 120 days (senior & managerial) - Sourcing, vetting and interview coordination [Find My Hire](/services/headhunting-pro) ### Staff Augmentation For companies adding capacity to an existing team. 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All rights reserved. [Explore Talent Marketplace →](https://new.hireslink.com/) ## Explore the human data for LLMs cluster Every AI training data service we staff from Latin America — RLHF, supervised fine-tuning, data collection, red teaming, evaluation, multilingual data, agentic traces and domain expert networks — plus the roles and salary benchmarks behind them. [ ### RLHF & Preference Optimization Pairwise comparisons, rankings and critique loops that turn human judgement into reward-model training data for PPO and DPO pipelines. $26–36/hr · Inter-annotator agreement κ ≥ 0.80 ](/candidates/llm-specialists/rlhf)[ ### Supervised Fine-Tuning (SFT) Data Instruction-response pair creation, taxonomy tagging and rubric execution for domain-specific fine-tuning in English, Spanish and Portuguese. $23–33/hr · Label accuracy ≥ 95% on golden sets ](/candidates/llm-specialists/sft)[ ### Data Collection & Creation Net-new human-generated data: prompts, long-form writing, speech recordings, screen and device capture, and scenario scripting for edge cases your logs never contain. $18–28/hr · Spec compliance ≥ 97% at acceptance sampling ](/candidates/llm-specialists/data-collection)[ ### Model Safety & Red Teaming Adversarial testing of deployed and pre-release models: jailbreaks, prompt injection, harmful content probing and agentic misuse scenarios. $28–40/hr · Attack coverage across 12+ harm categories ](/candidates/llm-specialists/red-teaming)[ ### Model Evaluation & Benchmarking Human evals, LLM-as-judge calibration, golden datasets and regression suites so every prompt or model change is measured instead of guessed. $25–35/hr · Judge-human correlation tracked per release ](/candidates/llm-specialists/model-evaluation)[ ### Code & Agentic Traces SWE-bench style task annotation, tool-calling traces, UI intents and agent trajectories labeled by engineers who read and run the code. $30–45/hr · Functional correctness verified by test runs ](/candidates/developers/llm)[ ### Multimodal Annotation Vision, audio and video labeling: bounding boxes, segmentation, transcription, diarization and cross-modal alignment checks. $18–30/hr · Annotation precision audited on blind golden sets ](/candidates/ai-specialists/computer-vision)[ ### RL Environments Task environments, simulators and verifiable reward functions for training and evaluating agents on real software workflows. $32–48/hr · Deterministic reproduction on 100% of tasks ](/candidates/llm-specialists/rl-environments)[ ### Robotics & Teleoperation Data Managed teleoperation sessions, manipulation trajectories and force/torque traces for training and evaluating real-world robot policies. $28–42/hr · Deterministic replay checks on every episode ](/human-data-llm-training#physical-ai-stack)[ ### Egocentric Video & World Model Data First-person capture with depth, segmentation, hand pose and action boundaries — the interaction video world models and VLA systems cannot scrape. $20–30/hr · Annotation agreement κ ≥ 0.80 on action boundaries ](/human-data-llm-training#physical-ai)[ ### Domain Expert Networks Licensed and credentialed professionals — clinicians, lawyers, accountants, engineers — writing and reviewing data where a generalist annotator cannot. $35–70/hr · Credential verification on every expert ](/candidates/llm-specialists/domain-experts) ### Related pages - [Human Data for LLMs — LATAM teams](/human-data-llm-training) - [Hire LLM specialists](/candidates/llm-specialists) - [Physical AI training data (robotics, teleoperation)](/human-data-llm-training#physical-ai) - [Hire AI specialists](/candidates/ai-specialists) - [Hire LLM stack developers](/candidates/developers/llm) - [Hire machine learning engineers](/candidates/ai-specialists/machine-learning) - [Hire computer vision engineers](/candidates/ai-specialists/computer-vision) - [Staff augmentation](/services/staff-augmentation) - [AI / ML engineer salaries in LATAM](/latam-salaries/ai-ml-engineer/argentina) - [Data engineer salaries in LATAM](/latam-salaries/data-engineer/argentina) - [AI startups & SaaS hiring](/industries/saas) - [Nearshore teams for startups](/industries/startups)