[Remote] AI Tutor - Portuguese

Note: The job is a remote job and is open to candidates in USA. xAI is on a mission to create AI systems that accurately understand the universe and aid humanity in its pursuit of knowledge. The AI Tutor specialized in multilingual audio capabilities will contribute by training and refining Grok for voice interactions, focusing on curating and annotating high-quality audio data to enhance global accessibility and improve the AI's handling of multilingual audio nuances.

Responsibilities

• Use proprietary software to provide labels, annotations, recordings, and inputs on projects involving multilingual audio clips, voice recordings, speech samples, and auditory elements in various languages
• Support the delivery of high-quality curated audio data that ensures clear, natural spoken output, accurate representation of linguistic and prosodic details (such as intonation, rhythm, and accent), and professional audio standards
• Collaborate with technical staff to develop tasks that improve AI's ability to handle speech modulation, accent variation, noise in real-world recordings, and multilingual audio processing
• Work with technical staff to improve annotation tools for efficient audio workflows

Skills

• Native proficiency in Portuguese with exposure to diverse accents, dialects, or regional variations
• Proficiency in English (minimum B2 level) with clear, natural vocal delivery and pronunciation suitable for audio recording purposes
• Strong auditory perception to identify nuances in speech, accents, pronunciation, intonation, and audio quality across languages
• Demonstrated ability to handle multilingual audio content, including evaluating speech accuracy, cultural vocal expressions, and contextual interpretation in spoken form
• Demonstrated ability to transcribe audio with high accuracy across accents and varying audio quality
• Comfort providing high-quality voice recordings and feedback on audio samples in multiple languages
• Strong comprehension skills and the ability to make independent judgments on ambiguous or varied audio material, including noisy or accented speech
• Strong communication, interpersonal, analytical, detail-oriented, and organizational skills, with the ability to articulate audio-related feedback effectively
• Commitment to developing AI that masters sophisticated multilingual audio capabilities
• Demonstration of exceptional attention to linguistic nuance, auditory detail, and data quality beyond standard transcription work
• Deep understanding and taste of what good/useful Audio data is
• Strong command of advanced transcription and annotation practices, including handling disfluencies, accents, and prosodic features (intonation, stress, rhythm, emotion, etc) with high consistency and accuracy
• Background in linguistics (e.g., phonetics, phonology, sociolinguistics), speech sciences, cognitive science, or a related field, or equivalent practical experience, with demonstrated ability to analyze accent variation, pronunciation differences, and multilingual speech patterns
• Experience working with speech/audio datasets, annotation workflows, or AI training data, including knowledge/experience with training voice models, and an understanding of how data quality impacts model performance
• Professional experience in voice work, including voice acting, voice recording, podcasting with a measurable audience (e.g., X following), or similar audio production demonstrating attention to clarity and recording quality
• Demonstrated ability to exercise independent judgment in ambiguous audio scenarios and make consistent, defensible annotation decisions
• Portfolio (strongly preferred for advanced candidates): Voice samples, annotated transcripts, or audio-related work demonstrating quality, methodology, and attention to detail
• Candidates with professional experience in voice, linguistics, speech data, or speech evaluation and research are especially encouraged to apply

Benefits

• Health insurance
• 401(k) plan
• Paid sick leave

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