Spanish Bilingual Expert (Mexico)

confidential; United States; Remote; USD 28,000 - 41,000; Part time

Job summary

Zekai is seeking a Spanish Bilingual Expert (Mexico) for a 100% remote contract role. You will review Spanish audio content, assess nativeness and fluency, and provide detailed English feedback to help train next‑gen AI models.

A background in linguistics or voice analysis is preferred, and strong attention to linguistic nuances is essential. This globally open opportunity welcomes applicants worldwide in regions accepted by the employer.

Qualifications

• Native-level Spanish proficiency.
• Minimum B2 level in English, written and spoken.
• Background in voice specialization, linguistics, phonetics, music/audio engineering, or related fields preferred.
• Experience with audio analysis, transcription, or linguistic assessment valued.

Responsibilities

• Listen to audio clips in Spanish and evaluate nativeness and fluency of speaker or model output.
• Assess pronunciation, intonation, and linguistic authenticity per guidelines.
• Document assessments with concise written feedback in English, noting key linguistic factors.
• Provide detailed justifications for each evaluation for clarity and consistency.
• Collaborate with project coordinators to clarify requirements or address ambiguities.
• Contribute insights to improve AI model performance in Spanish language understanding and generation.
• Ensure timely and accurate completion of audio review tasks with high quality standards.

Skills

Spanish language

English B2

Voice linguistics background

Audio analysis

Transcription

Job description

Job Title: Spanish Bilingual Expert (Mexico)

Job Type: Contract

Location: Remote

our partner is engaging Spanish Bilingual Expert (Mexico) to contribute to an impactful language and AI training project for a valued customer. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Scope of Work

• Listen to audio clips in Spanish and evaluate the nativeness and fluency of the speaker or model output.
• Assess pronunciation, intonation, and linguistic authenticity according to established guidelines.
• Document your assessments with clear, concise written feedback in English, noting key linguistic factors.
• Provide detailed justifications for each evaluation to ensure clarity and consistency in results.
• Collaborate with project coordinators to clarify requirements or address ambiguities in language content.
• Contribute insights to help improve AI model performance in Spanish language understanding and generation.
• Ensure timely and accurate completion of assigned audio review tasks, maintaining high standards of quality.

Preferred Qualifications

• Native-level proficiency in Spanish, with strong command of both spoken and written language.
• Minimum B2 level proficiency in English, especially for written and verbal communication.
• Background in voice specialization, linguistics, phonetics, music/audio engineering, or related fields is prefered.
• Experience with audio analysis, transcription, or linguistic assessment is highly valued.
• Strong attention to detail and ability to articulate nuanced language differences.
• Excellent written and verbal communication skills, with a focus on clarity and accuracy.
• Familiarity with media, communications, or teaching is considered an asset.

This is a 100% remote contract role, open to applicants worldwide in the countries the employer accepts.