Remote Data Review and Annotation Analyst

About OpenTrain

OpenTrain is the #1 platform for people building careers in AI training and data labeling. We help contributors find projects, build a consistent portfolio, and grow a durable freelance career working on the human side of AI.

OpenTrain AI is the hiring and contracting organization for this role. We connect skilled annotators and reviewers with remote, flexible work that directly shapes how AI systems behave.

• Centralized platform for AI training and data-labeling careers
• Support for portfolio-building and long-term freelance growth
• Remote, flexible projects across many data types and specialties

Why AI Training Work Matters

AI models learn from examples prepared and reviewed by people: annotating, validating, and rating data so models learn the right behaviors. This work is central to building safe, useful AI and is one of the fastest-growing ways to work in tech.

Many projects are remote and flexible, making them a great fit for part-time contributors, students, and people who want to work around other commitments while doing cutting-edge work.

• Work remotely from anywhere in the United States
• Flexible, part-time hourly commitment (20+ hours/week)
• Contribute directly to how models are trained and evaluated

Role Overview

As a Data Review and Annotation Analyst you will improve AI model training and assessment datasets by labeling, classifying, validating, and reviewing text data according to detailed project guidelines.

This is a part-time contractor role requiring at least 20 hours per week, fluent English, and the ability to meet productivity and quality targets while working independently from a reliable desktop or laptop with internet access.

• Employment type: Contractor, Part-time
• Time requirement: 20+ hours per week
• Location: United States only (remote)
• Data type: Text; primary tasks: classification and evaluation/rating

What You'll Do

You will follow project-specific instructions to label and validate text data, check for consistency and accuracy, and identify problematic or ambiguous examples. Clear, concise feedback and timely escalation of annotation issues are important parts of the job.

• Review, label, classify, and validate text data for model training and assessment
• Check accuracy and consistency across assigned tasks and datasets
• Identify edge cases, ambiguous examples, and annotation errors
• Provide clear feedback and escalate quality problems when needed
• Work independently while meeting productivity and quality targets

Requirements

Candidates must demonstrate strong English reading, writing, and comprehension, excellent attention to detail, and the ability to interpret and apply detailed guidelines consistently. Good communication and collaboration skills are required for escalating and resolving issues.

You must have a reliable desktop or laptop with internet access and be self-motivated to work remotely to meet assigned targets.

• Fluent English (reading, writing, comprehension)
• Attention to detail and strong analytical thinking
• Ability to apply detailed project guidelines consistently
• Good communication and collaboration skills
• Reliable internet-connected desktop or laptop

Helpful Background

Prior experience in data annotation, content review, or quality assurance is helpful but not required if you can demonstrate the required skills. Familiarity with AI or machine learning projects and basic proficiency with Google Workspace or Microsoft Office are advantages.

This role is classified as Intermediate: you should be comfortable working with some autonomy and handling edge cases with judgment.

• Experience reviewing, labeling, or validating data for AI projects
• Familiarity with AI/ML datasets and annotation conventions
• Comfort using Google Workspace or Microsoft Office

How to Apply

If this role matches your skills and schedule, apply through the OpenTrain system and complete any required onboarding tasks and qualification tests. Applications should emphasize relevant annotation or QA experience and your ability to work 20+ hours/week.

OpenTrain AI is the hiring and contracting organization for this role and will provide project guidelines, training resources, and the channels for communication and escalation during the contract.

• Prepare a brief summary of relevant annotation or QA experience
• Be ready to complete a short qualification task or test
• Applicants must be located in the United States and able to commit 20+ hours/week