Actively Hiring

Build Your Career in AI Training & Data Annotation

Join 20,000+ verified domain experts working on RLHF, SFT, annotation, AI safety, data validation, and model evaluation projects. Remote, flexible, and matched to your expertise.

Why Join Us

Built for Experts Who Want Meaningful AI Work

Multiple Project Types

RLHF, SFT, annotation, evaluation, safety review, and data validation tasks matched to your expertise.

$3–$90/hr

Rates vary by domain, task complexity, experience, and role in the project.

Flexible Schedule

Hourly, task-based, short-term, and long-term projects depending on availability and project needs.

Defined Roles

Clear role tracks for annotators, reviewers, QA specialists, QA leads, and project leads.

Global Team

Work alongside 20,000+ domain experts from healthcare, legal, STEM, and more.

Fast Onboarding

AI-powered assessment matches you to projects within days, not weeks.

How It Works

From Application to Production

AI assessment, skill verification, a paid test project, then full access. Every step is designed to match the right expert to the right work.

Step 1

Create Profile

Sign up and share your skills, experience, and domain expertise

Step 2

AI Interview

Complete a 20-minute adaptive AI assessment tailored to your field

Step 3

Get Verified & Matched

Earn your verified badge and get matched to projects that fit your expertise

Step 4

Test Project

Receive a paid test project invitation based on your match. Demonstrate your quality on real tasks.

Step 5

Join Live Projects

Pass the test and gain full access to production projects with ongoing assignments

Open Projects

Work on Real AI Projects

Active projects across domains. Find your expertise, set your schedule, and start contributing.

Urgent

Data Extraction from PDF

LLM DataLLM DataIntermediate
English C1PDF ExtractionStructured Output
Up to $10/hr
30 spots
Join This Project
Urgent

PDF Bounding Box Annotation

AnnotationComputer VisionEntry
English B1–B2Bounding BoxPDF Layout
Up to $5/hr
50 spots
Join This Project
Urgent

RLHF Data Trainer, Code Generation

RLHFMachine LearningSenior
PythonCode ReviewLLM Evaluation
Up to $20/hr
12 spots
Join This Project

Medical Text Annotator

SFTHealthcareExpert
Clinical NLPMedical TerminologyHIPAA
Up to $25/hr
8 spots
Join This Project

Legal Document Analyst

AnnotationLegalMid-Senior
Contract LawNERRegulatory Compliance
Up to $18/hr
6 spots
Join This Project
Urgent

Multimodal Image & Video Annotator

AnnotationComputer VisionMid
Bounding BoxSegmentationVideo Labeling
Up to $12/hr
25 spots
Join This Project

Multilingual SFT Trainer, 8 Languages

SFTNLP & LocalizationMid-Senior
Bilingual+Cultural AdaptationChat Data
Up to $15/hr
15 spots
Join This Project
Urgent

AI Safety Red Teamer

EvaluationAI SafetySenior
Red TeamingBias TestingPrompt Injection
Up to $30/hr
4 spots
Join This Project

Open Roles

Roles We Hire For

13 specialization tracks across engineering, healthcare, legal, STEM, and more.

Engineering

Coding & Software Engineers

Our software engineers are experienced in preparing, validating, and annotating data for large language models. They understand code semantics, system design, and developer workflows, enabling precise annotations for code generation, debugging, and technical reasoning tasks.

Code annotationBug classificationDeveloper assistant trainingAPI and documentation understanding

AI & Machine Learning

Data Science & ML Engineers

ML engineers who know what models need from training data because they've built them. They design annotation strategies that directly improve model performance across ML pipelines and LLM fine-tuning.

Model evaluation datasetsPrompt-response alignmentML feature labelingAI behavioral testing

Language & Content

Creative Writers

Writers with sharp editorial instincts who craft, evaluate, and refine text for natural language tasks. They bring the clarity, nuance, and voice that make AI content feel human.

Chatbot conversationsText summarizationSentiment analysisCreative content generation

Business & Strategy

Business & Industry Experts

Professionals with hands-on industry experience in finance, marketing, and operations who bring real commercial context to annotation work. Applied expertise, not theory.

Business reasoning tasksFinancial document annotationMarket analysis datasetsEnterprise chatbot training

Science & Technology

STEM Experts

Specialists from biology, physics, chemistry, and engineering who bring research-level understanding to scientific annotation. Accurate labeling of concepts, equations, and technical data.

Scientific QATechnical explanation datasetsResearch paper annotationMath and logic reasoning tasks

Medicine & Health

Healthcare Professionals

Certified clinicians and healthcare professionals who annotate with the medical accuracy, terminology precision, and patient safety awareness that clinical AI demands.

Medical text annotationClinical question answeringHealth chatbot trainingBiomedical data labeling

Legal

Law & Legal Experts

Legal professionals with expertise in contracts, regulations, and case law, ensuring precise and compliant annotations for legal reasoning and document understanding tasks.

Contract analysisLegal document classificationRegulatory compliance datasetsLegal AI assistants

Human & Social Sciences

Social Science Experts

Researchers in sociology, psychology, economics, and political science who annotate with deep understanding of human behavior, cultural norms, and societal context.

Survey data labelingPolicy analysis datasetsBehavioral research annotationSocietal impact modeling

Multimodal Annotation

Image, Audio & Video Annotators

Annotators skilled in image, video, and audio labeling at production-grade precision. They support computer vision, speech recognition, and multimodal AI systems.

Image labelingVideo event taggingSpeech transcriptionMultimodal model training

Quality & Compliance

Annotation Quality Reviewers

Senior annotators and domain leads who validate accuracy, enforce consistency, and maintain guideline standards across every annotation workflow.

Annotation validationInter-annotator agreement checksGuideline enforcementDataset quality audits

AI Safety & Evaluation

LLM Evaluation & Safety Annotators

Evaluators who stress-test LLM outputs for correctness, bias, hallucinations, and safety risks. The critical human layer before responsible deployment.

Model evaluationBias and fairness analysisHallucination detectionSafety and alignment testing

Language & Culture

Localization & Multilingual Experts

Native speakers who deliver linguistically precise and culturally aware annotations across regions, dialects, and global markets.

Multilingual chatbot trainingCultural context annotationRegional content validationGlobal AI deployment support

LLM Alignment

Instruction & Prompt Design Specialists

Specialists who craft and refine the instructions and prompts that shape LLM behavior. They ensure models follow intent, tone, and task requirements with precision.

Instruction tuning datasetsPrompt-response alignmentAgent behavior modelingLLM evaluation prompt design

Compensation

Transparent Payment

Rate Agreement

Pay rate discussed and confirmed before every project starts. Hourly or task-based, your choice. No surprises.

How You Get Paid

Payment on project completion or monthly cycle for long-term engagements. Direct bank transfer, always on time.

Ready to Start?

Create your profile, take the AI interview, and get matched to your first project.

Free to join. No commitment required.