Remote Spanish QC Specialist for AI Data Quality

Mercor is seeking a native Castilian Spanish voice actor for remote, contract work supporting AI data projects in Spain. You will develop and record audio data, ensure transcripts match or are edited for natural pacing, and deliver with a professional setup. Strong English and a customer-service voice are required, plus a professional microphone and editing...

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....

Critically evaluate and provide detailed feedback on biology-related data, prompts, or content used in AI development workflows. Create, review, and refine scientific scenarios, questions, or explanations reflecting complex, real-world biological problems. Offer expert-level insights to ensure accuracy, relevance, and depth of AI training datasets and...

Mercor is seeking a Sonic Audit Specialist - Spanish for a fully remote, contract position. You will evaluate AI training data in Spanish, audit multilingual transcription and forced alignment, and ensure high data quality. The role requires native Spanish (Spain) with strong English, experience in transcription/linguistic annotation, and the ability to...

TELUS Digital AI seeks Senior Raters to validate data that informs product development and QA for leading search engines and AI technologies. This flexible, remote opportunity in Spain allows you to apply analytical and research skills to evaluate search results and AI-generated content while contributing to high-quality AI systems.You will conduct...

SME Careers is seeking a Spanish Quality Assurance Lead for a remote, hourly contractor role. You will oversee quality across Spanish AI training projects, review AI-generated content, and provide precise feedback to trainers and QAs while ensuring adherence to project rubrics. Strong Spanish and English skills and remote collaboration are essential. You...

Mercor is seeking a Music Production Expert - Spanish (ES) for a contract, remote position. You will evaluate AI-generated music across genres for musicality, creativity, and production quality, and label songs by genre and structure.Candidates should have native or near-native Spanish, English instruction comprehension, 2+ years in music production, and...

Alignerr is seeking a Spanish Localization Specialist for AI training to evaluate and improve Spanish-language content used to train AI systems. Your insights will influence how AI understands, generates, and communicates across Spanish-speaking audiences. Remote, hourly contract, 10–40 hours per week. You will review content for tone, regional usage, and...

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...