Spanish Audio QA Specialist

About OpenTrain

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling. OpenTrain AI recruits contractors for projects where careful human review helps improve the quality, safety, and performance of modern AI systems.

• Create a profile and apply for AI training work through OpenTrain.
• Build experience and a portfolio in a fast-growing technology field.
• Work remotely on projects involving language, audio, and machine learning.

About AI Audio Training

AI systems learn from carefully prepared examples, including recordings, transcriptions, speaker information, and human quality judgments. Audio QA specialists provide the detailed review needed to help multilingual AI systems understand natural speech accurately.

• Contribute to evaluation-grade data for multilingual AI systems.
• Use language expertise and focused listening to identify subtle quality issues.
• Help protect privacy and improve the reliability of speech technology.

The Role

OpenTrain is seeking a Spanish Audio QA Specialist to serve as the final quality checkpoint for a high-accuracy dataset of transcribed, multi-channel audio recordings. You will review audio fidelity and human-validated Spanish transcriptions for a project assessing multilingual AI systems.

• Engagement: Remote contractor or freelancer
• Contract duration: 15 weeks
• Schedule: Minimum 40 hours per week
• Required availability: 4 hours of overlap with PST
• Language: Native Spanish from Latin America
• Experience level: Entry level

What You'll Do

You will evaluate recordings, validate transcription and metadata quality, and document decisions clearly. The work requires careful listening, strict adherence to verbatim guidelines, and accurate assessment of complex conversations involving multiple speakers.

• Evaluate channel isolation, background noise, clipping, gain, and overall audio fidelity.
• Verify human-validated transcriptions against strict accuracy and low word-error-rate targets.
• Preserve natural speech dynamics while applying verbatim transcription rules.
• Validate word-level timestamps and speaker diarization.
• Check JSON metadata tags for accuracy and completeness.
• Audit recordings and transcripts for personally identifiable information and sensitive content.
• Assign pass or fail, or agree or disagree, statuses as required.
• Provide detailed feedback on identified issues.

Requirements

This role is designed for a meticulous reviewer with native-level LATAM Spanish and an exceptional ear for audio detail. You should be comfortable analyzing natural, multi-speaker conversations and following precise quality standards.

• Native proficiency in Spanish from Latin America.
• Exceptional ability to detect subtle background noise, channel bleed, clipping, and other audio issues.
• Strong attention to detail when checking word-level timestamps.
• Ability to follow strict verbatim transcription rules.
• Ability to accurately assess complex multi-speaker conversational dynamics.
• Availability for at least 40 hours per week with four hours of PST overlap.

Helpful Backgrounds

Prior experience is not required for this entry-level opportunity, but the following backgrounds may be especially relevant to the work.

• Linguistics or phonetics, with a deep understanding of natural speech patterns.
• Language teaching with native-level Spanish mastery and careful guideline adherence.
• Professional transcription, especially experience with timestamping.
• Audio review or quality assurance involving conversational recordings.

Why Work in AI Training

AI training and data labeling are the human side of building artificial intelligence. People who annotate, transcribe, evaluate, and review data directly shape how state-of-the-art systems understand language and behave.

• Work remotely with a computer, phone, and internet connection.
• Gain hands-on experience in a rapidly growing technology industry.
• Develop specialized skills in audio quality assurance and speech data.
• Build a portfolio of AI training work across projects and platforms.
• Potential for contract extension based on performance.

How to Apply

Create a free OpenTrain account, build your profile, and apply in minutes. If selected, you will contribute to a Spanish-language audio project supporting the evaluation of multilingual AI systems.

• Review the project requirements and availability expectations.
• Highlight your Spanish proficiency, transcription, language, or audio experience.
• Be prepared to meet the 15-week contract schedule and PST overlap requirement.