ClientsHow it worksBlog
AI Training
Sign In
Find a Job
Hire Talent

Build Better Teams, Faster. Anywhere.

G2g2.com
4.9
Index.dev is officially one of the UK's Best Workplaces™ for WellbeingFinancial Times Top 1000

Platform

Book a CallHire TalentFind a JobSign InHire by TechnologyInterview QuestionsJob DescriptionAssessmentsSkill vs SkillHow Index.dev WorksReferral ProgramTalent Calculator

Solutions

SEOData AnnotationGame DevelopmentFintech DevelopmentAI DevelopmentSaaS DevelopmentCybersecurity

Company

ProcessAboutCustomersServicesReviewsCareersFAQContact

Get in touch

us.svg+1 (216) 249-7097uk.svg+44 2038 853074support.svg[email protected]

© 2026 Index.dev

TermsPrivacyRight to Erasure
Omio
Omio
Vodafone
Vodafone
Startx
Startx
Venly
Venly
Alchemist Accelerator
Alchemist Accelerator
Stuart
Stuart

Top 5% Vetted Data Annotators Ready to Start

Vetted for

Tech & Soft Skills

Verified for

Remote Performance

Average Job Engagement

13+ Months

More profiles

See more profiles on our platform

Try talent before you hire

97% conversion rate from trial to placement

30-day risk-free trial

Assess both the candidate’s hard and soft skills within a month to see if they align with your criteria.

$0 - No Risk

Charges apply only if the talent successfully passes the trial period evaluation.

48 hrs Talent Replacement

If the current candidate does not meet expectations, we will promptly find a replacement.

Vector

Elite Tech Talent for Exceptional Results

High-Performers Only

Hire senior experts who match US-level engineers in expertise and work ethic, integrate easily into your team, and deliver high-quality code from day one.

Hassle-Free Experience

Get to work with your new hire on a risk-free trial. Pay only if you're completely satisfied with the results. We handle all payments, NDA's, and the complexities of remote contracting.

The Right Fit, Every Time

Skip the hassle of sifting through resumes and meet 3 handpicked candidates who are the perfect fit technically and culturally, so you can focus on building great products.

Tailored Support

Benefit from personalized support throughout the onboarding process, talent integration, and ongoing performance monitoring with a dedicated account executive and expert talent matcher.

What Our Vetted Data Annotators Build

Index.dev connects you with elite Data Annotators from our pool of 20,000+ verified candidates.

Create Multimodal AI Training Data

Access annotators skilled in labeling complex multimodal datasets combining text, images, audio, and video for next-generation AI applications. Our teams handle synchronized annotation across modalities for applications like video understanding, audio-visual speech recognition, and embodied AI. Enable breakthrough 2025 AI capabilities with precisely aligned multimodal datasets that power transformer-based foundation models and cross-modal retrieval systems.

Automate Quality Control with Human-in-the-Loop

Implement sophisticated HITL workflows where our vetted annotators validate, correct, and refine ML predictions, creating continuous improvement cycles. Our teams integrate seamlessly with your MLOps pipeline, performing consensus voting, dispute resolution, and edge case identification. Achieve 99%+ dataset accuracy while reducing manual annotation costs by 70%, leveraging the perfect balance of AI automation and human expertise.

Launch Industry-Specific AI Products

Access domain-expert annotators with backgrounds in healthcare, legal, finance, retail, and manufacturing who understand industry-specific terminology and requirements. Our 12,000+ monthly technical assessments ensure annotators possess both annotation expertise and vertical knowledge. Perfect for enterprises building specialized AI solutions like legal document analysis, medical diagnosis support, or industrial defect detection requiring subject matter expertise.

Build Responsible AI with Bias Detection

Deploy diverse annotation teams trained in identifying and mitigating algorithmic bias, toxicity, and fairness issues in training data. Our global talent pool across 160+ countries provides culturally diverse perspectives essential for building inclusive AI systems. Meet 2025's AI ethics standards with comprehensive bias auditing, demographic balance verification, and fairness-aware annotation protocols that protect brand reputation and ensure equitable AI outcomes.

Train Custom Computer Vision Models

Our vetted Data Annotators provide pixel-perfect image and video labeling for autonomous vehicles, medical imaging, and retail analytics. Using advanced annotation tools like CVAT and Labelbox, they deliver bounding boxes, semantic segmentation, and 3D point cloud labeling at scale. Accelerate your CV model training by 60% with our quality-assured annotation pods, ensuring your 2025 AI products launch on schedule with production-grade datasets.

Build High-Quality NLP Training Datasets

Access specialized annotators who create intent classification, entity recognition, and sentiment analysis datasets for LLMs and conversational AI. Our team handles multi-language annotation across 160+ countries, ensuring cultural nuance and linguistic accuracy. Perfect for enterprises deploying GPT-4-based chatbots, voice assistants, and document understanding systems that require domain-specific fine-tuning with 95%+ annotation accuracy.

Scale Data Labeling Operations Rapidly

Deploy full annotation pods of 5-50 vetted annotators within 48 hours to meet aggressive ML project deadlines. Our human-matched, AI-backed process ensures consistent quality across distributed teams, with real-time QA monitoring and inter-annotator agreement tracking. Reduce annotation costs by 40% while maintaining enterprise-grade quality standards through our flexible, no-upfront-fee model trusted by 250+ startups.

Ensure GDPR and Healthcare Compliance

Our globally compliant annotation teams operate across 160+ countries with expertise in HIPAA, GDPR, and SOC 2 requirements. Annotators undergo specialized training for handling sensitive medical records, PII data, and regulated content. Perfect for healthtech and fintech companies requiring secure, auditable annotation workflows with complete data lineage tracking and privacy-preserving techniques for 2025's stringent regulatory landscape.

Improve Model Performance with Active Learning

Deploy expert annotators who work iteratively with your ML pipeline, prioritizing uncertain predictions and edge cases to maximize model improvement per labeled sample. Our top 5% talent understands active learning frameworks like Prodigy and Label Studio, reducing annotation volume by 50% while achieving superior model accuracy. Ideal for startups optimizing annotation budgets while rapidly iterating on production AI systems.

Scale your team, your way

Contract

Contract

Scale your team month-to-month with vetted freelancers, perfect for changing needs.

Find a freelancer
Direct hire

Direct hire

One-time fee for a fully-vetted, permanent, and globally compliant team member.

Make a direct hire
Full project / pods

Full project / pods

Kick off your next big project with a complete engineering team & end-to-end support.

Project kick-off
VectorVector

Why Top Companies Choose Index.dev for Vetted Data Annotators

97% client satisfaction rate with our Vetted Data Annotators

Our rigorous 5-step vetting process and human-matched, AI-backed selection ensure you get data annotators who deliver exceptional quality. Join 250+ startups who trust Index.dev for their AI training data needs.

AI training data market to reach $17.2B by 2030, driving 23% annual growth in data annotation roles

As AI/ML models become more sophisticated in 2025, demand for skilled data annotators has surged. Companies need verified experts who understand nuanced labeling, quality control, and domain-specific annotation requirements.

12,000+ technical assessments ensure you get verified Vetted Data Annotators expertise

Every data annotator in our network of 20,000+ verified candidates undergoes comprehensive technical evaluations covering annotation accuracy, tool proficiency, quality assurance, and domain knowledge—ensuring only the top 5% make it through.

Find talent in 48 hours from 160+ countries with zero upfront fees

Our AI aggregator instantly matches you with pre-vetted data annotators globally. Pay only for successful hires, with full compliance support across all regions and flexible engagement models to fit your project needs.

How Recruiting through Index.dev Works

1 minute

Post a job

Sign up & tell us about your project and the skills you’re looking for.

48 hours

Screen candidates

We send you 3 hand-picked interview-ready JavaScript developers for your role.

2-3 days

Interview devs

Sign up & tell us about your project and the skills you’re looking for.

Final step

Hire devs

Once contracts are signed, you and your dedicated developer can start working together, under our management.

Hire Data Annotators

Our 5-step vetting process ensures you access only the top 5% of data annotation talent.

Featured in press

https://techcrunch.com/author/sergiu-matei/https://www.forbes.com/sites/jackkelly/2022/03/14/international-recruiter-shares-whats-happening-in-the-tech-war-for-talent/?sh=571746832c5bhttps://www.inc.com/rebecca-deczynski/hiring-artificial-intelligence-technologists-machine-learning-engineers-recruiting-strategy.html?utm_source=site&utm_medium=link&utm_campaign=sitehttps://www.crunchbase.com/organization/index-1212https://sifted.eu/articles/hire-tech-developers-eastern-europehttps://www.fastcompany.com/90782702/the-truth-behind-those-gloomy-tech-layoff-headlines
https://techcrunch.com/author/sergiu-matei/https://www.forbes.com/sites/jackkelly/2022/03/14/international-recruiter-shares-whats-happening-in-the-tech-war-for-talent/?sh=571746832c5bhttps://www.inc.com/rebecca-deczynski/hiring-artificial-intelligence-technologists-machine-learning-engineers-recruiting-strategy.html?utm_source=site&utm_medium=link&utm_campaign=sitehttps://www.crunchbase.com/organization/index-1212https://sifted.eu/articles/hire-tech-developers-eastern-europehttps://www.fastcompany.com/90782702/the-truth-behind-those-gloomy-tech-layoff-headlines

Index.dev in Numbers

15,000+

high performing vetted talent from Balkans, CIS & LATAM

3x

longer commitment compared to in-house engineers

100+

technologies covered, from Python & Java to Rust & Scala

7+ years

the average industry experience of our tech talent

13+

months average job engagement

$0 risk

with a 30-day payback, replacement discount, no extra fees 

Index.dev is worth sharingIndex.dev is worth sharing

g2.com

4.9

Index.dev goes beyond traditional talent marketplaces. Not just talent—we provide full engineering capabilities.

Hire Data Annotators

Frequently Asked Questions About Hiring Vetted Data Annotators

  • How quickly can I hire Vetted Data Annotators through Index.dev?

  • What's included in your Vetted Data Annotators vetting process?

  • What are the hourly rates for Vetted Data Annotators?

  • Can I hire a full Vetted Data Annotators team or pod?

  • How does the AI-backed matching work?

  • What if the Vetted Data Annotators doesn't work out?

How quickly can I hire Vetted Data Annotators through Index.dev?

Our AI aggregator matches you with pre-vetted data annotators in as little as 60 seconds. Most clients receive curated candidate profiles within 48 hours and can start interviews immediately. Depending on your specific requirements and time zone preferences, successful candidates typically begin work within 5-7 business days. Our human-matched, AI-backed process eliminates lengthy searches while ensuring quality fits.

What's included in your Vetted Data Annotators vetting process?

Our comprehensive 5-step vetting process includes: (1) Identity and background verification, (2) Technical assessments covering annotation tools like Labelbox, CVAT, and V7, plus quality metrics, (3) Domain-specific evaluations for industries like healthcare, autonomous vehicles, or e-commerce, (4) Practical annotation tasks measuring accuracy, consistency, and attention to detail, and (5) Expert interviews assessing communication and professionalism. Only the top 5% of applicants pass all stages, backed by our 12,000+ monthly technical assessments.

What are the hourly rates for Vetted Data Annotators?

Rates for vetted data annotators typically range from $15-45 per hour depending on experience level, domain specialization, and geographic location. Entry-level annotators with 1-2 years experience start around $15-25/hour, while senior annotators with specialized expertise in medical imaging, LiDAR, or complex NLP tasks command $30-45/hour. The best part? No upfront fees—you only pay for successful hires. Our transparent pricing includes all compliance, payroll, and administrative support across 160+ countries.

Can I hire a full Vetted Data Annotators team or pod?

Absolutely. Index.dev offers full engineering pods specifically designed for data annotation projects. We can assemble complete teams including data annotators, quality assurance specialists, annotation project managers, and domain experts. Pods typically range from 3-15 members and can scale dynamically based on your project phases. This option is perfect for large-scale AI training initiatives requiring consistent quality, specialized workflows, and ongoing annotation operations. Our talent advisors help structure the ideal team composition for your specific use case.

How does the AI-backed matching work?

Our human-matched, AI-backed process combines the best of both worlds. Our AI aggregator analyzes your requirements—annotation type, domain expertise, tools, volume, and timeline—then instantly searches our network of 20,000+ verified candidates to identify optimal matches. The AI considers technical skills, project history, availability, and success rates. Then, our human talent advisors review these matches, conduct final assessments, and personally ensure cultural and communication fit. You get AI efficiency with human expertise, resulting in 97% client satisfaction and matches in 48 hours.

What if the Vetted Data Annotators doesn't work out?

We stand behind our vetting process with a comprehensive satisfaction guarantee. Most engagements include a trial period (typically 1-2 weeks) where you can evaluate the annotator's work quality, accuracy, and fit with your team. If you're not satisfied during this period, we'll quickly provide alternative candidates from our pre-vetted pool at no additional cost. Our 97% client satisfaction rate reflects our commitment to successful placements. Additionally, our talent advisors provide ongoing support to address any concerns and ensure long-term success.

How quickly can I hire Vetted Data Annotators through Index.dev?

What's included in your Vetted Data Annotators vetting process?

What are the hourly rates for Vetted Data Annotators?

Can I hire a full Vetted Data Annotators team or pod?

How does the AI-backed matching work?

What if the Vetted Data Annotators doesn't work out?

Hero Pattern

Three Flexible Ways to Hire Vetted Data Annotators

Offshore Team | Individual Contract | Direct Hire

Hire Data Annotators

Explore other relevant skills

These related technologies and skills might also be relevant to your needs

Angular
AngularDevelopers
Azure
AzureDevelopers
React.js
React.jsDevelopers
Vue.js
Vue.jsDevelopers
Laravel
LaravelDevelopers
Android
AndroidDevelopers
Jenkins
JenkinsDevelopers
AWS
AWSDevelopers
TypeScript
TypeScriptDevelopers
Node.js
Node.jsDevelopers
JavaScript
JavaScriptDevelopers
UI/UX
UI/UXDesigners
AI
AIEngineers
ML
MLSpecialists
Xamarin
XamarinDevelopers
Python
PythonDevelopers
Django
DjangoDevelopers
Express.js
Express.jsDevelopers
Data
DataScientists
Explore all skills
Explore all skillsOver 100 skills
Hire background
G2g2.com
4.9

Grow your Development capabilities.

Hire Data Annotators in the US, EU and LATAM

Index.dev connects you with top 5% Vetted Data Annotators from our pool of 20,000+ verified candidates. Trusted by 250+ startups for specific technical capabilities. Human-matched precision with AI-powered speed.

Hire Data Annotators

Get 30-day risk-free trial

Latest Articles

Browse all articles
For EmployersTop 5 Platforms to Hire Data Annotators in 2026

Bad annotations destroy AI models and finding quality annotators without overspending is harder than ever. This guide compares five platforms (Index.dev, Encord, Labelbox, Roboflow, DataAnnotation.Tech) to match your specific needs: budget, data type, team size, and compliance requirements.

For EmployersData Annotation in Europe: Market, Growth & Future Trends

Europe’s data annotation market is growing because AI now demands regulated, auditable, high-quality data. This guide explains where demand comes from, why costs are higher, and how teams should plan for 2026.

For EmployersAI Assistant Statistics 2026: Adoption & ROI Data

AI assistants are no longer experimental—40% of enterprise apps will have built-in AI agents by the end of 2026, and adoption jumped from 11% to 42% in just six months. This report explains how AI assistants are moving into everyday work, driving productivity, revenue growth, and job augmentation

Browse all articles