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Freelance Trainer Jobs In Spain - 42 Job Positions Available

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1 – 20 of 42 jobs
Toloka jobs

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  2 days ago
Mindrift jobs

Please submit your CV 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

Mindrift  2 days ago
Toloka jobs

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  2 days ago
Wing Assistant jobs

Wing Data is looking for Freelance AI Audio & Video Trainers to support one of our clients on an AI Training Audio & Video Participation Study. This is a flexible, project-based opportunity rather than a full-time or monthly

Premium Full-time Geographic Lighting AI Spanish 30,000 EUR
Wing Assistant  26 days ago
Welo Global jobs

About the Role We are looking for detail-oriented Trainers to support an AI data annotation project. In this role, you will review pre-seeded questions paired with images and provide accurate golden answers based on what you observe

Welo Global  14 days ago
Welo Global jobs

About the Role We are looking for detail-oriented Quality Control (QC) Specialist to support an AI data annotation project. In this role, you will review the work submitted by Trainers — pre-seeded questions paired with images and

Welo Global  14 days ago
TransPerfect jobs

Company TransPerfect Language & Cultural Training is part of the TransPerfect solutions, the world’s largest language service and technology solutions provider for global businesses with offices in more than 100 cities around the globe. Position details

TransPerfect  1 hour ago
10x.Team jobs

Updated: 07 July 2026 Freelance | 8–20 hrs/week | Remote (EU/UK) Are you an experienced specialist in eIDAS2 and Qualified Electronic Signatures (QES), passionate about advancing AI‑driven legal technology? Do you have 8–20 hours per week to

10x.Team  14 days ago
Mindrift jobs

Please submit your CV in English and indicate your level of English proficiency. Participation is project-based, not permanent employment. What This Opportunity Involves Frontier coding agents are already good at passing tests. We measure whether they

Mindrift  2 days ago
Mindrift jobs

Mindrift is looking for skilled AI Workflow Engineers to join the Tendem project ( and build intelligent automation systems powered by LLMs within our hybrid AI + human environment. In this role, as an AI Pilot

Mindrift  3 days ago
Mindrift jobs

Please submit your CV 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

Mindrift  2 days ago
Mindrift jobs

Freelance Economics Expert needed to create tasks for AI agents. Requires strong economics experience, analytical skills, and English proficiency....

Mindrift  1 day ago
Mindrift jobs

Freelance Electrical Engineer needed to generate AI prompts, define evaluation criteria, and correct model responses....

Mindrift  2 days ago
Mindrift jobs

Freelance software developer specializing in Kotlin and AI training, designing tests, and ensuring app quality in a remote setting. The role involves contributing to advanced AI projects....

Mindrift  2 days ago
Mindrift jobs

AI Trainer needed for remote freelance role. Requires Bachelors in Statistics and 2+ years experience. Help shape AI models....

Mindrift  2 days ago

AI trainer project seeks an Arabic (Maghrebi) language expert to improve AI models by conversing, verifying linguistic accuracy, and capturing errors. Requires a Masters degree and teaching/translation experience....

Invisible Expert Marketplace  2 days ago
Mindrift jobs

Seeking a Data Scientist AI Trainer for a remote, freelance role to design computational problems for AI training. Requires Python, SQL, statistical analysis, and ML expertise....

Mindrift  2 days ago
Mindrift jobs

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets

Mindrift  2 days ago

Are you a coding expert fluent in Bengali eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high-quality training data, tomorrow’s AI can

Meridial Marketplace  3 days ago
Mindrift jobs

Freelance Financial Analyst needed to create tasks for AI agents, requiring finance expertise and advanced English skills....

Mindrift  2 days ago

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