Vetted for
Tech & Soft Skills
Verified for
Remote Performance
Average Job Engagement
13+ Months
97% conversion rate from trial to placement
Assess both the candidate’s hard and soft skills within a month to see if they align with your criteria.
Charges apply only if the talent successfully passes the trial period evaluation.
If the current candidate does not meet expectations, we will promptly find a replacement.
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.
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.
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.
Benefit from personalized support throughout the onboarding process, talent integration, and ongoing performance monitoring with a dedicated account executive and expert talent matcher.
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 month-to-month with vetted freelancers, perfect for changing needs.
One-time fee for a fully-vetted, permanent, and globally compliant team member.
Kick off your next big project with a complete engineering team & end-to-end support.
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.
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.
high performing vetted talent from Balkans, CIS & LATAM
longer commitment compared to in-house engineers
technologies covered, from Python & Java to Rust & Scala
the average industry experience of our tech talent
months average job engagement
with a 30-day payback, replacement discount, no extra fees
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Offshore Team | Individual Contract | Direct Hire
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