Remote AI training jobs in Spain

288 open roles accept applicants living in Spain, based on the countries each platform publishes. The work is remote, and pay is published by the platform, usually in US dollars.

288
open jobs
32
posted this week
$70/hr
median published rate
$400/hr
highest published rate
4
platforms hiring

Pay figures cover the 268 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.

21 to 40 of 288 jobs
  • Health & Medicine
  • Platform: micro1
  • Location: 58 countries

This part-time contract asks physicians to review clinical cases, patient data, and AI-generated medical content, giving expert feedback that helps train AI systems supporting medical decisions. It is aimed at practicing doctors, especially those from general specialties such as internal medicine, family practice, or emergency medicine. No prior AI experience is needed, since clinical knowledge is the main requirement.

Posted October 6, 2026

OpenRecently verifiedPay not disclosed

Referral link to micro1's job list: search for this role there. Open this exact job

  • Legal
  • Platform: micro1
  • Location: 58 countries
  • Level: Intermediate

This role is for experienced attorneys in technology contract law who want to contribute to the development of legal AI models. You will evaluate AI responses against contractual scenarios, refine evaluation frameworks, and collaborate with cross-functional teams to improve AI-assisted contract review systems.

Posted October 6, 2026

OpenRecently verified$80-110/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Software Engineering
  • Platform: micro1
  • Location: 58 countries

You will contribute to training next-generation AI models by creating realistic coding tasks and implementing deterministic verifiers. This flexible contracting role is aimed at experienced backend engineers capable of generating relevant technical challenges and automatically evaluating solutions.

Posted October 6, 2026

OpenRecently verified$30-100/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Languages, Translation & Voice
  • Platform: micro1
  • Location: 58 countries
  • Language: Spanish

You will lend your voice to AI learning projects as a professional voice actor. Working remotely from your personal studio, you will record scripts in Mexican Spanish with clarity and emotional expression, collaborating closely with the technical team to achieve the required audio quality standards.

Posted October 6, 2026

OpenRecently verified$20-65/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Languages, Translation & Voice
  • Platform: micro1
  • Location: 58 countries
  • Language: German

This role involves transcribing audio samples in Swiss German or English with high precision to support AI system training. You will annotate linguistic nuances, speaker changes, and contextual cues while collaborating with the project team to ensure data quality. We are seeking a native Swiss German speaker with professional transcription experience.

Posted October 6, 2026

OpenRecently verified$25-30/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Engineering
  • Platform: Mindrift
  • Location: 61 countries

This role involves training and evaluating AI agents on fluid simulation tasks by setting up CFD simulations, creating reference solutions, and validating agent outputs. It is designed for experienced mechanical or aerospace engineers with strong computational fluid dynamics expertise.

Posted October 6, 2026

OpenRecently verifiedPay not disclosed
  • Legal
  • Platform: micro1
  • Location: 58 countries

This role is for experienced litigation attorneys holding a US license who wish to contribute to the development of artificial intelligences applied to the legal field. You will evaluate the performance of AI models on litigation tasks, provide expert feedback, and create rigorous evaluation frameworks to improve the accuracy and legal judgment of these systems.

Posted October 5, 2026

OpenRecently verified$80-150/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Languages, Translation & Voice
  • Platform: micro1
  • Location: 58 countries

This job invites voice actors or voice coaches to contribute to the development of advanced AI systems for voice and speech. You will analyze short audio recordings and produce precise, structured written evaluations using professional voice terminology. No prior AI experience is required, only your expertise in voice and speech matters.

Posted October 5, 2026

OpenRecently verified$30-70/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Writing, Creative & Design
  • Platform: Mindrift
  • Location: 36 countries

Mindrift seeks an experienced graphic designer to create high-quality visual assets for the Tendem AI project, with a focus on logo design, branding, and visual identity. This freelance remote role involves developing distinctive logos, brand concepts, marketing materials, and digital templates while maintaining design consistency and quality standards.

Posted October 5, 2026

OpenRecently verifiedPay not disclosed
  • Engineering
  • Platform: Mindrift
  • Location: 60 countries
  • Level: Expert

This role involves training and evaluating AI agents that perform mechanical engineering tasks within a CAD environment. You will design part geometry, create reference solutions, and assess how well the AI completes complex engineering work that would normally take an expert many hours.

Posted October 5, 2026

OpenRecently verifiedPay not disclosed
  • Data & Machine Learning
  • Platform: Turing
  • Location: Worldwide
  • Language: English
  • Level: Intermediate
  • Commitment: 40 hrs/week

Design and optimization of deep learning systems, statistical analysis and training of ML models for Turing clients, remote work with time overlap with US time zones.

Talent poolRecently verifiedPay not disclosed
  • Health & Medicine
  • Platform: micro1
  • Location: 58 countries

This role calls for a bilingual Cantonese psychiatrist to contribute to the training of next-generation AI systems. You will put your clinical expertise to work creating culturally nuanced psychiatric scenarios, producing detailed evaluations and annotations in Cantonese and English. The project requires a solid understanding of Cantonese psychiatric practices and the ability to apply clinical ethics when reviewing sensitive content.

Posted October 3, 2026

OpenRecently verified$100-200/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Health & Medicine
  • Platform: micro1
  • Location: 58 countries
  • Language: Chinese

This role invites a psychologist with a doctorate to contribute to training next-generation AI systems. You will analyze psychological case studies, develop culture-sensitive scenarios in Cantonese and English, and evaluate AI-generated content according to ethical and professional standards. No prior AI experience is required - only your expertise in psychology matters.

Posted October 3, 2026

OpenRecently verified$100-200/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Engineering
  • Platform: micro1
  • Location: 58 countries

You design and configure 3D environments and assets in robotic simulation engines, transposing real-world objects and instruments into virtual worlds. Your role is to ensure that simulations faithfully reproduce the geometry, scale, materials, and physical behavior of real elements, so as to provide high-quality training data to AI systems. This role is intended for experts in simulation and 3D modeling who master the principles of physical dynamics.

Posted October 3, 2026

OpenRecently verified$60-150/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Software Engineering
  • Platform: micro1
  • Location: 58 countries

You will help train AI models by creating realistic programming tasks and deterministic validators. This flexible contractor role will allow you to leverage your backend development experience to design relevant challenges for AI to solve.

Posted October 3, 2026

OpenRecently verified$30-100/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Writing, Creative & Design
  • Platform: Mindrift
  • Location: 36 countries
  • Level: Intermediate

Mindrift seeks a freelance Brand Designer to develop visual identities and brand assets for the Tendem project. You will create logos, color schemes, design systems, and ensure brand consistency across digital and print mediums. This remote, part-time role is suited for experienced designers who can work independently and maintain strict visual standards.

Posted October 3, 2026

OpenRecently verifiedPay not disclosed
  • Writing, Creative & Design
  • Platform: Mindrift
  • Location: 20 countries
  • Level: Intermediate

Mindrift seeks a freelance web designer to create high-quality, conversion-focused marketing pages and landing experiences for the Tendem AI project. You will transform briefs and design concepts into polished, brand-consistent, implementation-ready web designs using Figma, ensuring visual coherence across web, social, and pitch materials.

Posted October 3, 2026

OpenRecently verifiedPay not disclosed
  • Data & Machine Learning
  • Platform: Mindrift
  • Location: 64 countries
  • Level: Expert

A freelance Senior Python Data Scraping Engineer role focused on building and maintaining end-to-end data extraction workflows for complex websites. You will combine web scraping expertise with data processing to deliver high-quality, validated datasets for real-world applications, handling dynamic content and scaling operations efficiently.

Posted October 3, 2026

OpenRecently verifiedPay not disclosed
  • Health & Medicine
  • Platform: micro1
  • Location: 58 countries
  • Language: Russian

You are a bilingual psychiatrist who will contribute to training AI systems by developing and annotating complex psychiatric case studies that reflect Russian clinical practices and perspectives. This role will allow you to share your medical expertise to shape AI models' understanding in the mental health field.

Posted October 2, 2026

OpenRecently verified$100-200/hr

Referral link to micro1's job list: search for this role there. Open this exact job

  • Health & Medicine
  • Platform: micro1
  • Location: 58 countries
  • Language: Russian

This role requires a psychologist with a doctoral degree to bring clinical and academic expertise to refine AI model learning. You will analyze psychological cases, develop bilingual Russian-English pedagogical scenarios, and assess the ethical and scientific quality of content generated by AI systems, leveraging your nuanced understanding of both cultures and languages.

Posted October 2, 2026

OpenRecently verified$100-200/hr

Referral link to micro1's job list: search for this role there. Open this exact job

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FAQ

Questions about AI training jobs in Spain

How many AI training jobs in Spain are open right now?

288 AI training jobs in Spain are open on SideHustler today. 32 were posted in the last 7 days. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.

How much do AI training jobs in Spain pay?

Among the 268 open roles that publish an hourly rate in USD, pay runs from $6 to $400 per hour, with a median of $70. These are the rates the platforms publish, not a guarantee of income or hours.

Which platforms offer AI training jobs in Spain?

micro1 (276), Mindrift (7), Mercor (4) and Turing (1). You apply on the platform itself, which handles screening, contracts and payment.

What skills do AI training jobs in Spain ask for most?

The most requested areas of expertise on these listings are AI Evaluation, Data Annotation, Content Annotation, Multilingual Expertise, Language Evaluation. Each listing states its own requirements.

How do you know a job accepts applicants from Spain?

Each job listed here comes from a posting where the platform publishes the countries it accepts, and Spain is among them. 616 other open jobs do not publish their eligible countries: they are in the full catalog but not on this page.

How do I apply?

Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.