Audio Language Evaluation Expert (Spanish Bilingual)

You will review Spanish audio clips and model outputs that support the development of language systems. Your evaluations will focus on how natural, fluent, and authentic the speech sounds.

You will also explain your decisions in clear English, provide detailed reasons for your ratings, and clarify unclear language content with project coordinators when guidelines need interpretation.

• Listen to Spanish audio clips and assess fluency, pronunciation, intonation, and other language qualities.
• Evaluate whether speaker or model speech sounds natural and linguistically authentic.
• Write clear English feedback explaining the language factors behind each decision.
• Complete audio review tasks accurately and on time.

What It Pays and Takes

This is an entry-level, remote, part-time contract opportunity for candidates in Mexico. Experience in language, audio, communications, or teaching may support your work, but the role centers on careful listening and consistent judgment.

• $30 to $65 per hour.
• Remote work open to candidates in Mexico.
• Part-time contract role.
• Professional fluency in spoken and written Spanish.
• At least B2 English proficiency for written and verbal communication.
• Strong attention to detail and clear written and verbal communication.
• Ability to explain nuanced differences in language.
• Relevant backgrounds include linguistics, phonetics, voice specialization, audio engineering, audio analysis, transcription, or linguistic assessment.
• Helpful experience may include media, communications, teaching, music, or audio-focused work.

How It Works

Apply on OpenTrain with your resume, then complete the application on the hiring site. OpenTrain is a platform where people find AI training and data-labeling projects, build a profile, and apply for roles.

About AI Training Work

AI training is the human work behind systems that understand and generate language. People review examples, rate model outputs, and explain what good results look like so AI systems can improve.