Annotation Jobs

Lead the technical implementation, model training, and client-facing delivery of Hyperscience's document AI platform from our Park City hybrid office to drive enterprise and government client success.

Serve Robotics is hiring a Software Engineer for ML Infrastructure to build scalable data pipelines, search, and annotation integrations that power fleet-scale autonomy and ML research.

Lendbuzz seeks a Machine Learning Co-op to annotate chat data, develop prompts and RAG workflows, and support chatbot improvements for sales and collections in our Boston office.

A remote Data Quality Annotator role to annotate and review text, image, and other data types at $45/hr, contributing directly to AI model training and quality improvements.

An MBA internship focused on technical brand storytelling and developer-focused marketing to amplify Centific’s AI data and platform capabilities across research and enterprise communities.

Provide expert Biology knowledge to a generative AI research team by designing tasks, authoring guidelines, and evaluating model outputs in a long-term remote contract.

CloudFactory is recruiting US-licensed pathologists, radiologists, and cardiologists to join a remote expert network providing clinical guidance for AI and medical data projects.

Work remotely as an independent contractor labeling and classifying text, image, and multimedia data to support cutting-edge AI research at an hourly rate of $45.

Experienced AP Calculus tutors are needed to provide flexible, remote one-on-one instruction for students across middle school to college-level math on a contract basis.

Startup Mindset

Collaboration over Competition

Growth & Learning

Inclusive & Diverse

Lead data annotation operations at Cohere to translate AI safety needs into high-quality, scalable labeling programs while managing internal teams and external vendors.

RWS is seeking freelance Uyghur-speaking content evaluators to annotate website content and help improve AI language models on a fully remote, flexible schedule.

Mercor is hiring an AI Researcher in San Francisco to lead LLM evaluation research, publish benchmark papers, and build dataset and annotation offerings for top AI labs.

Support the development and safety of AI by performing remote data collection, annotation, and evaluation tasks for RWS on a flexible, part-time basis.

Fixpoint is seeking detail-oriented visual annotators to evaluate and annotate AI-edited images in a flexible remote contract role.

Lead the QA strategy for GenAI-powered e-learning features by designing prompt validation, HITL review workflows, and measurable evaluation protocols to ensure safe, reliable model behavior.

Apply professional voice acting expertise to evaluate and improve AI-generated speech as a remote Voice Acting Specialist (AI Trainer).