AI Tutor, Portuguese - Temporary

Xai; United States; Remote; USD 48,000 - 62,000; Full time

Job summary

SpaceXSI is seeking a remote AI Tutor to help train Grok's Portuguese language capabilities. You will annotate and translate content, focusing on natural pronunciation and cultural nuance, contributing to a multilingual product used globally.

Ideal candidates have CEFR C1 Portuguese and CEFR B2 English, with experience in transcription or localization, and a background in linguistics or speech studies. The role is 6 months with potential extensions and requires travel to a SpaceXSI site.

Qualifications

• Proficiency in Portuguese at CEFR C1 level or higher.
• English proficiency at CEFR B2 level or higher.
• Native proficiency in Portuguese (preferred).
• Experience in transcription, audio annotation, or translation between English and Portuguese (preferred).
• Background in linguistics, phonetics, or speech sciences (preferred).

Responsibilities

• Annotate, label, and provide feedback on multilingual audio clips using proprietary tools.
• Translate and localize text from English into Portuguese with accuracy and cultural fit.
• Produce clear, natural audio data capturing prosody and accent details.
• Collaborate with technical staff to refine annotation guidelines and tools for speech datasets.

Skills

Portuguese proficiency

English proficiency

Job description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

AI TUTOR, PORTUGUESE - TEMPORARY

In this role, you will help train and refine Grok's voice and language capabilities in Portuguese. Your expertise will directly shape how Grok speaks and understands Portuguese, from pronunciation and natural phrasing to cultural nuance. You will see your work show up in a product used by people around the world.

RESPONSIBILITIES

• Annotate, label, and provide feedback on multilingual audio clips, voice recordings, and speech samples using proprietary tools
• Translate and localize text (UI copy, prompts, responses, and other content) from English into Portuguese, with attention to accuracy, natural phrasing, and cultural fit
• Help produce clear, natural audio data that accurately captures linguistic and prosodic details such as intonation, rhythm, and accent
• Collaborate with technical staff to refine annotation guidelines and tools for handling accents, background noise, speech variation, and multilingual audio

POSITION DETAILS

This is a temporary position with SpaceXSI, for the length of time as stated, and is subject to change with minimal notice as business needs dictate.

LENGTH OF POSITION

6 months (extensions or conversion to a permanent role may be available based on business needs).

LOCATION

Remote (United States, United Kingdom, Canada, and Australia); for US-based candidates, please note that we are unable to hire in Wyoming and Illinois at this time.

BASIC QUALIFICATIONS

• Proficiency in Portuguese at CEFR C1 level or higher
• English proficiency at CEFR B2 level or higher

PREFERRED SKILLS AND EXPERIENCE

• Native proficiency in Portuguese
• English proficiency at CEFR C1 level or higher
• Experience in one or more of the following areas: Advanced transcription or audio annotation, with strong attention to accents, prosody, disfluencies, and variable recording quality
• Translation or localization work (especially UI, product copy, or conversational text) between English and Portuguese
• Voice recording, voice acting, podcasting, or related audio production that demonstrates clear delivery and attention to sound quality
• Background in linguistics, phonetics, speech sciences, or hands-on work with speech/audio datasets and AI training data

ADDITIONAL REQUIREMENTS

• This role may be offered as a full-time or part-time position depending on role/business needs and candidate availability; full-time positions are preferred and require working standard business hours in your local time zone
• We are unable to provide visa sponsorship
• Must be willing to travel to a SpaceXSI site

COMPENSATION AND BENEFITS

• US-based candidates: $35/hour - $45/hour depending on factors including relevant experience, skills, education, geographic location, and qualifications.
• International candidates: Information will be provided to you during the recruitment process.
• Benefits vary based on employment type, location, and jurisdiction.
• Benefits for eligible US-based positions include health insurance, 401(k) plan, and paid sick leave.
• Specific details and role-specific information will be provided to you during the interview process.

SpaceXSI is an equal opportunity employer.

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