Portuguese Audio Transcription Expert

About OpenTrain

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling. It helps contributors discover projects, build a professional profile, and apply for specialized work in minutes.

As an OpenTrain contractor, you can develop a portfolio around language and audio expertise while contributing to the systems shaping modern artificial intelligence.

• Remote contract and part-time opportunity
• Worldwide eligibility
• Expected commitment of 20+ hours per week
• Compensation of $10-$18 per hour

About AI Audio Training

AI training is the human work behind artificial intelligence. People transcribe, annotate, review, and evaluate real-world audio so AI systems can better understand spoken language, context, and different ways people communicate.

This work is part of a fast-growing technology industry and offers flexible opportunities for people with strong language skills and careful attention to detail.

• Help improve AI understanding of Portuguese and English speech
• Work with conversational and formal recordings
• Apply linguistic and cultural judgment to real-world audio
• Contribute to cutting-edge AI development from anywhere

The Role

OpenTrain is seeking a Portuguese Audio Transcription Expert to support AI training through accurate transcription and annotation of real-world recordings. You will primarily work with Portuguese audio, with occasional English content, capturing spoken words, context, speaker nuances, and culturally meaningful details.

The role combines detailed listening, transcript quality review, correction of inconsistencies, and adherence to project-specific transcription standards. It is listed at an entry level while requiring professional audio transcription accuracy and strong language comprehension.

• Role focus: Portuguese and English audio transcription
• Data type: Audio
• Work types: Transcription and evaluation or rating
• Engagement: Contractor and part time
• Experience level: Entry level

What You'll Do

You will process audio recordings using transcription tools and project platforms, then review your work for completeness, clarity, and consistency. You will also provide linguistic and cultural insight that helps improve AI model understanding.

When recordings are unclear or context-dependent, you will make careful judgment calls and identify ambiguity, speaker nuance, and subtle language differences. Coordination with project managers and other experts will help maintain consistent deliverables.

• Transcribe and annotate Portuguese audio with a high level of accuracy
• Review conversational and formal speech while preserving context and speaker nuances
• Edit and validate transcripts for completeness, clarity, and consistency
• Identify and correct transcription errors, ambiguities, and inconsistencies
• Use transcription tools and platforms to submit completed work
• Coordinate with project managers and other experts

Requirements

You must have native-level Portuguese fluency across spoken and written language, along with strong comprehension of English for occasional English audio and project instructions. Professional audio transcription experience is preferred, ideally supported by relevant project work.

You should be familiar with transcription conventions, annotation tools, and audio-data best practices. Strong attention to detail, organized working habits, and a commitment to accurate, timely submissions are essential.

• Native-level fluency in spoken and written Portuguese
• English proficiency for occasional English audio and project instructions
• Professional audio transcription accuracy with conversational and formal speech
• Ability to identify ambiguity, speaker nuance, and contextual differences
• Familiarity with transcription conventions and annotation tools
• Strong attention to detail and organized working habits

Helpful Background

Experience with linguistic data projects, AI training data, or related annotation work is helpful. You should be comfortable evaluating both conversational and formal speech and making precise decisions when audio is unclear or context-dependent.

• Linguistic data project experience
• AI training data or annotation experience
• Confidence evaluating varied speech styles
• Ability to make precise contextual judgments

Why Work With OpenTrain

AI training and data-labeling work lets you contribute directly to how modern AI systems learn and behave. Audio specialists help models recognize real speech, language variation, and the details that automated systems can miss.

OpenTrain gives you a place to build a credible AI training profile, discover work aligned with your skills, and grow language expertise into a longer-term portfolio.

• Work remotely with flexible part-time scheduling
• Build experience in a rapidly growing AI industry
• Showcase specialized Portuguese transcription skills
• Create a profile that supports future AI training opportunities

How to Apply

Create a free OpenTrain account, build your profile around your Portuguese and English audio skills, and apply in minutes. Highlight your transcription experience, familiarity with annotation tools, and ability to handle nuanced or ambiguous recordings.

• Create your free OpenTrain account
• Add your language and transcription experience
• Review the project details and requirements
• Apply through OpenTrain