Empleos de data annotator en Valencia

Welo Global is seeking detail-oriented Trainers to support an AI data annotation project. This remote freelance role involves reviewing pre-seeded questions paired with images and providing gold-standard answers based on visual content. Ideal candidates are native Spanish speakers with strong English, a bachelor's degree, and meticulous attention to detail....

We’re hiring freelance AI Data Annotators for Spanish language alignment work. You'll listen to audio and align spoken words to their exact position in the transcript - correcting boundaries, catching mis-transcriptions, and making sure every word lands where it belongs. The work is detail-heavy and quiet. If you like careful, focused tasks and have a good...

Perit AI (YC F26) is seeking freelance AI Data Annotators for Spanish language alignment. You will listen to audio and align spoken words to the transcript, correcting boundaries and mis-transcriptions with careful attention to timing and details. This role is fully remote and flexible, with no fixed schedule or minimum commitment. You choose tasks when...

Odixcity Consulting is seeking a Security Engineer Annotator to evaluate cybersecurity datasets used in AI model training. You will analyze security datasets, code samples, and architectural designs to identify vulnerabilities and label security scenarios. The role requires 3+ years in cybersecurity or security engineering, knowledge of secure software...

Synthires is seeking Generalists to contribute to a remote project focused on training and evaluating next-generation AI systems. You will analyze datasets, annotate inputs, and provide high-quality feedback while maintaining accuracy and attention to detail in a fully remote setting. Ideal candidates excel in critical thinking, communication, and time...

LXT AI is seeking Basque (Euskara) speakers for remote transcription, annotation and data collection tasks, including voice recordings. You will listen to audio/video content and produce accurate transcripts and labeled data according to project guidelines.Global reach, flexible remote work, and opportunities to contribute to multilingual AI training...

Please submit your resume in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves Annotation is what helps AI make...

Odixcity Consulting is seeking a Software Engineer Annotator to review and label AI training data for software engineering. You will assess AI-generated code for correctness, readability, and security, and contribute to high-quality annotations that improve model performance.This remote, world-wide role requires a strong programming background and...

About Finom Finom is a European tech startup headquartered in Amsterdam, and we’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide. Our mission is to develop an all-in-one financial B2B solution that integrates banking functions, accounting, financial management, and invoicing into a seamless, mobile-first...

Toloka Annotators is seeking freelancers for part-time, remote annotator roles to review and label data for AI projects.¿Todo listo para enviar su solicitud? Asegúrese de comprender todas las responsabilidades y tareas asociadas a este puesto antes de continuar.Candidates should have a Bachelor's degree, at least one year of professional experience, and an...

Odixcity Consulting is seeking a detail-oriented Web Data Analyst Annotator to collect, analyze, validate, and annotate web-based datasets used in training AI and large language models. You’ll work with data scientists, AI trainers, and data operations teams to improve model reasoning, search quality, and automated web understanding systems. This role is...

## French Data Annotator-11Applylocations: Spain Officetime type: Full timeposted on: Posted Todayjob requisition id: JR107735**About Centific**Centific is a frontier AI data foundry that curates diverse, high-quality data, using our purpose-built technology platforms to empower the Magnificent Seven and our enterprise clients with safe, scalable AI...

## French Data Annotator-9Applylocations: Spain Officetime type: Full timeposted on: Posted Todayjob requisition id: JR107733**About Centific**Centific is a frontier AI data foundry that curates diverse, high-quality data, using our purpose-built technology platforms to empower the Magnificent Seven and our enterprise clients with safe, scalable AI...

Odixcity Consulting is seeking a Full Stack Engineer Annotator to assess frontend and backend datasets, ensuring AI models interpret full-stack workflows accurately. You will work with modern web tech and contribute to dataset labeling and evaluation. Candidates should have 3–5 years of experience as a Full Stack Developer, solid React/Angular/Vue skills,...

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 relevant fields and strong communication skills. While...

Centific is seeking a French Data Annotator in Spain to help process large volumes of data with high accuracy. You will interpret complex guidelines and apply them consistently, ensuring high-quality annotations that support model training and evaluation. You will collaborate with QA and project managers to maintain data quality, provide feedback to improve...

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 from leading tech innovators. Our mission is to unlock the full...

Please submit your resume in English and indicate your level of English. What We Do At Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. About The Role Annotation is what helps AI make sense of the world. As an annotator, you may be invited to take part in online...

A global online task provider is looking for an annotator in Spain to review and label Japanese-language content. You will classify data, identify inaccuracies, and contribute to AI project quality. Qualifications include a Bachelor's degree and experience, with requirement of proficiency in Japanese and advanced English. This remote, part-time freelance...

Centific Global Solutions, Inc. is seeking a French Data Annotator to join our Spain-based team on a full-time, on-site basis. The role focuses on annotating large datasets with high accuracy and adherence to detailed guidelines, supporting GenAI-related data preparation efforts. You will work closely with QA and project managers to ensure data quality while...