Looking for remote AI training or data labeling work open to applicants located in Spain? OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Eligibility and requirements can vary by individual posting.
Use your product design, UX, and frontend expertise to analyze decisions, document trade-offs, and help train next-generation AI systems. This worldwide contractor role offers $90-$140 per hour and requires 20+ hours weekly.
Posted Sep 3, 2026
Use your business analysis, research, and analytical writing expertise to help train next-generation AI systems. This flexible remote contract pays $90 to $140 per hour for about 20 hours weekly.
Posted Sep 3, 2026
Use your product marketing, enterprise sales, or strategy consulting expertise to create and evaluate business documents that improve AI systems. Remote contract work is available worldwide at $90-$140 per hour for 20+ hours weekly.
Posted Sep 3, 2026
Use senior corporate accounting judgment to evaluate financial documents, audit practices, models, tax materials, and legal documents for AI training. This worldwide, part-time contractor role pays $58-$110 per hour.
Posted Sep 3, 2026
Use your product management expertise to evaluate AI reasoning, review product documents, and assess prioritization decisions. This worldwide contractor role offers 20+ hours per week and pays $90-$140 per hour.
Posted Sep 3, 2026
Create, refine, and evaluate developer and product documentation that helps train next-generation AI systems. This worldwide, part-time contractor role offers $90 to $140 per hour and requires 20+ hours weekly.
Posted Sep 3, 2026
Review code, architecture proposals, and technical documents to help train AI systems, while earning an advertised $90-$140 per hour remotely. This flexible contractor role is open worldwide and does not require prior AI training experience.
Posted Sep 3, 2026
Use advanced physics expertise to solve, review, and validate research-level problems for next-generation AI training projects. This remote contractor role offers $80-$160 per hour and requires no prior AI experience.
Posted Sep 3, 2026
Use your UX research expertise to synthesize usability evidence, evaluate digital products, and create clear training inputs for AI systems. This worldwide contract role offers 20+ hours per week and pays $90-$140 per hour.
Posted Sep 2, 2026
Use your product design expertise to explain decisions, trade-offs, constraints, and user impact for next-generation AI training. This worldwide, part-time contractor role offers $90-$140 per hour and requires 20+ hours weekly.
Posted Sep 2, 2026
Use your frontend engineering expertise to evaluate code, architecture, and technical decisions that help improve AI systems. This remote contractor role offers $90-$140 per hour and requires 20+ hours each week.
Posted Sep 2, 2026
Review interface mockups and component libraries, write rigorous design rationales, and shape AI training data with Figma expertise. This flexible worldwide contract pays $90-$140/hour for about 20 hours weekly.
Posted Sep 2, 2026
Create detailed Brazilian Portuguese transcripts from natural speech, including accents, crosstalk, pauses, and background noise. This fully remote contract offers flexible work and $15-$35 per hour.
Posted Sep 2, 2026
Review and correct German audio transcripts for AI training from anywhere. Use your native-level German, sharp listening skills, and attention to timing in flexible part-time contractor work paying $10 to $35 per hour.
Posted Sep 2, 2026
Transcribe natural spoken Italian for AI speech and language systems in a fully remote, flexible contract role. Work 20+ hours weekly on conversations, interviews, meetings, and challenging real-world audio at $15-$35 per hour.
Posted Sep 2, 2026
Join OpenTrain as a remote Hindi Audio Transcriptionist and help improve AI systems through accurate Devanagari transcripts of natural, often noisy conversations. Flexible asynchronous contract work pays $10-$35 per hour.
Posted Sep 2, 2026
Transcribe challenging Brazilian Portuguese audio for AI training, including multi-speaker recordings, background noise, and informal speech. Work remotely on a flexible schedule for 10 to 40 hours per week.
Posted Sep 2, 2026
Create precise German verbatim transcripts for AI training, handling crosstalk, background noise, overlapping speakers, and natural speech. Work independently for 20+ hours per week at $10-$35 per hour.
Posted Sep 2, 2026
Transcribe real-world Italian conversations, interviews, and meetings to help train AI speech systems. Work remotely as an independent contractor for 20+ hours per week, earning $10-$35 per hour.
Posted Sep 2, 2026
Review and correct French audio transcripts for AI training with precise word-level timing and speaker accuracy. This remote contract role offers flexible task-based work for talent in Morocco and worldwide.
Posted Sep 2, 2026
Edit Castilian Spanish audio transcripts, correct word-level errors, and align timestamps in a flexible remote contract role. No prior AI experience is required.
Posted Sep 2, 2026
Review and correct AI-generated Castilian Spanish transcripts with word-level precision, timestamps, and careful formatting. Work remotely on a flexible contract schedule for $10-$35 per hour.
Posted Sep 2, 2026
Turn authentic Peninsular Spanish conversations into accurate, structured transcriptions that help AI understand natural speech. Work remotely as an entry-level contractor for 20+ hours each week on a flexible schedule.
Posted Sep 2, 2026
Transcribe spoken Hindi for AI training datasets while working remotely on a flexible contractor schedule. Use your Devanagari typing and listening skills to handle real-world audio, including overlapping speakers and background noise.
Posted Sep 2, 2026
Review and correct German audio transcripts for AI training, including word-level accuracy, timestamps, and formatting. Work remotely on a flexible schedule for $10 to $35 per hour, with Swiss German expertise especially welcome.
Posted Sep 2, 2026
Transcribe challenging Brazilian Portuguese audio for AI training from anywhere. This flexible contract role offers 20+ hours per week, pays $10-$35 per hour, and requires no prior AI experience.
Posted Sep 2, 2026
Use deep fantasy sports expertise to evaluate AI-generated projections, draft boards, formulas, and league logic in a remote contractor engagement of up to 10 weeks.
Posted Sep 2, 2026
Use your personal finance and operational planning expertise to evaluate AI-generated budgets, debt schedules, savings tools, and spreadsheet workflows. This remote contractor role offers 20+ hours per week for English-speaking contributors worldwide.
Posted Sep 2, 2026
Use your People Operations expertise to evaluate and refine AI-generated HR tools, spreadsheets, and workflows. Work remotely for 20+ hours per week on a flexible contract project through OpenTrain.
Posted Sep 2, 2026
Create and evaluate realistic software-engineering benchmarks for coding agents using production-like repositories, secure coding, and rigorous testing. This fully remote contractor assignment runs 4 to 8 weeks.
Posted Sep 2, 2026
AI training is human work that helps prepare and review examples used by artificial-intelligence systems. Depending on the role, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. Roles open to applicants located in Spain can differ in their responsibilities, so inspect each live posting for the exact work involved.
OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting is the source of truth for eligibility, qualifications, responsibilities, hours, pay, and other role-specific requirements.
