Ofertas de Data Annotator en Madrid

Welo Data

A leading AI training company is seeking detail-oriented linguists for remote projects involving annotation, evaluation, and prompt creation. Candidates must have native or near-native fluency in Catalan and English proficiency. Responsibilities include annotating text and testing AI systems while e

Crossing Hurdles

Position: LLM – AI Quality Analyst (Spanish) Type: Short-Term Contract Compensation: $11 per hour Location: Remote Commitment: Part-time (30–40 hrs/week) Role Responsibilities Evaluate a personalization feature for Gemini Design and execute multi-turn conversational prompts that require the AI to ut

Toloka Annotators

Toloka Annotators is looking for freelance annotators to participate in AI projects from home in Madrid, Spain. You'll carefully evaluate AI-generated content and classify it based on guidelines. Ideal candidates hold a bachelor's degree and have at least 1 year of professional experience, along wit

A dynamic technology company in Spain is seeking a Data Annotator to enhance conversational AI performance. This role requires verifying data, reviewing model outputs, and supervising junior staff, with a focus on ensuring quality standards. Ideal candidates will have 1-2 years of experience in rele

LILT

A leading AI and language technology firm is seeking detail-oriented human reviewers in Madrid. The role involves evaluating prompts and AI-generated outputs, analyzing multimedia content, and applying local cultural insights to ensure high-quality results. Ideal candidates will have strong analytic

CNTXT AI

This is a fully remote, hourly contractor role supporting AI data and language projects on a project-based, flexible hour basis. Project scopes vary and may include: Data annotation: labeling, classifying, and structuring documents, tables, and other content to support AI training datasets. LLM eval

iMerit Scholars

A technology-driven company seeks skilled Gen AI Data Annotation Analysts for remote work from Spain. Candidates will annotate high-quality training data across text, image, and video to support Generative AI models. The role requires at least 1-2 years of relevant experience and skills like detail

Annotate mathematical datasets, validate AI outputs, and collaborate with AI engineers to improve AI models.

Crossing Hurdles

Position: LLM – AI Quality Analyst (Spanish) Type: Short‑Term Contract Compensation: $11 per hour Location: Remote Commitment: Part‑time (30–40 hrs/week) Role Responsibilities Evaluate a personalization feature for Gemini Design and execute multi‑turn conversational prompts that require the AI to ut

Toloka Annotators

Please submit your resume in English and indicate your level of English. At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do The Toloka Annotators connects individuals with Generative AI projects fro

Jobs for Humanity

A technology company based in Madrid is seeking an AI Content Expert II to create and annotate training data for Large Language Models. The role requires strong Dutch and English proficiency with a focus on detail and research skills. Candidates should have experience with written language data and

Centific

AI Data Services role for an English (Australia) Natural Language Annotator, focusing on high-quality text annotation. Responsibilities include meeting KPIs, escalating anomalies, and collaborating with the project manager.

Centific

As an English (Australia) Natural Language Annotator, you will support AI Data Services through high-quality annotation of text, and related data. This is a fixed-term role (8 months) with possibility of extension. The start date would be the 4th of May. Your responsibilities include: Ensure that al

Centific

As an English (Australia) Natural Language Annotator, you will support AI Data Services through high-quality annotation of text, and related data. This is a fixed-term role (8 months) with possibility of extension. The start date would be the 4th of May. Puede obtener más detalles sobre la naturalez

Managing Composites

Are you passionate about organising data and curious about the world of AI? At Managing Composites, we're looking for an Image Annotation Specialist to support our AI-driven projects. This part-time job is perfect for data enthusiasts eager to contribute to cutting-edge AI development. What You'll D

iMerit Technology

A technology company specializing in AI solutions is looking for detail-oriented Language Specialists to annotate high-quality training data across text, image, and video. Candidates should have 1-2 years of experience in annotation tasks, strong analytical, organizational skills, and proficiency in

Crossing Hurdles

A data-focused organization in Spain is looking for a skilled individual to synthesize information and annotate data according to guidelines. Responsibilities include categorizing data, applying rubrics, and improving AI systems' quality through dedicated annotation work. Ideal candidates will posse

iMerit Technology

A global tech company is seeking detail-oriented Language Specialists for remote annotation work. Responsibilities include annotating data across text, image, and video modalities, applying critical thinking, and collaborating with teams to ensure quality. Ideal candidates should possess 1-2 years o

YO IT Consulting

Role Overview Collaborating with a leading AI lab to contract detail-oriented generalists for a data annotation project. Contractors will support the development of AI systems by categorizing and labeling diverse datasets using predefined taxonomies. The project offers an opportunity to directly con

Toloka Annotators

At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. The Toloka Annotators connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the full potential of AI by invo