Portuguese Native : AI Speech & Audio Specialist

TELUS Digital AI Data Solutions; Brasil; Remote; BRL 32,000 - 84,000; Full time

Benefits offered by this job

Flexible engagement

Remote work

Job summary

TELUS Digital is seeking an AI Speech & Audio Specialist to join our global AI Community. You will evaluate, edit, and validate speech data for ASR, TTS, voice AI, and audio ML projects, applying your expertise in phonetics, linguistics, and audio engineering.

Remote, independent contractor role with flexible scheduling and project-based pay. Native Portuguese and professional English are required; experience with tools like iZotope RX, Reaper, Audacity, Logic Pro, Cubase is preferred.

Qualifications

• Bachelor’s degree or equivalent in Audio Engineering, Linguistics, or related field.
• Professional experience in audio editing and speech datasets.
• Native Portuguese with professional English.

Responsibilities

• Evaluate AI-generated speech (TTS) for naturalness and voice quality.
• Review ASR outputs for transcription accuracy and pronunciation issues.
• Perform professional audio editing: segmentation, trimming, noise reduction, and quality enhancement.
• Analyze recordings using waveform and spectrogram tools to identify quality issues.
• Support creation and validation of high-quality speech datasets for model training.
• Review voice recordings for clarity, articulation, and technical quality.
• Ensure export specifications and loudness compliance.

Skills

Portuguese (native)

English (professional)

Education

Bachelor’s degree in Audio/ Linguistics/ Speech fields

Tools

iZotope RX

Reaper

Audacity

Logic Pro

Cubase

Other DAWs

Job description

Our global AI Community is a vibrant network of more than one million contributors from diverse backgrounds who help customers collect, enhance, train, translate, and localize content to build better AI models. Become part of our growing community and contribute to the development of innovative AI technologies used by some of the world's largest brands.

About the Role:

At TELUS Digital, we are advancing the future of Artificial Intelligence by helping AI systems understand, process, and generate human speech with greater accuracy and naturalness.

As an AI Speech & Audio Specialist in our AI Community, you will contribute to the development and improvement of next-generation speech AI technologies, including Automatic Speech Recognition (ASR), Text-to-Speech (TTS), Voice AI, and audio machine learning systems.

We rely on our global community of specialists to evaluate, create, refine, and improve high-quality speech and audio datasets. Your expertise in audio production, speech analysis, linguistics, or voice technology will help ensure AI models deliver natural, accurate, culturally relevant, and human-like voice experiences.

At TELUS Digital, you will play a key role in shaping how AI listens, understands, and communicates with people around the world.

Key Responsibilities:

• Evaluate AI-generated speech (TTS) for naturalness, pronunciation accuracy, rhythm, tone, emotion, and overall voice quality.
• Review and improve speech recognition outputs (ASR) by identifying transcription errors, pronunciation issues, accents, and linguistic nuances.
• Perform professional audio editing tasks including segmentation, trimming, noise reduction, silence adjustment, and quality enhancement.
• Analyze audio recordings using waveform and spectrogram-based tools to identify quality issues.
• Support the creation and validation of high-quality speech datasets used for AI model training and evaluation.
• Review voice recordings for clarity, consistency, articulation, and technical quality.
• Perform audio quality checks including loudness levels, background noise detection, clipping, distortion, and export specifications.
• Support voice AI projects including TTS, ASR, voice generation, voice similarity, voice mimicry, and conversational AI evaluation.
• Apply expertise in phonetics, linguistics, audio engineering, or speech technology to improve AI-generated voice experiences.

Qualification path

Mandatory Qualifications:

Must Speak Portuguese at a native level and English at professional level as guidelines are in English.

There will be an assessment / qualifier post application completed stage and an identity document verification (IDV) needs to be completed as soon as possible. You will receive the email after the application is completed.

Education / Professional Background:

Minimum of one of the following:

• Bachelor’s degree or equivalent experience in, Audio Engineering, Sound Engineering, Music Technology, Linguistics, Phonetics, Speech-Language Pathology, Computational Linguistics, Computer Science (Speech/AI focus), Related audio or speech fields.

OR

Professional experience in: Audio production, Sound design, Dialogue editing, Voice recording, Podcast/audio post-production, Speech data creation or AI speech projects.

Technical Experience:

Experience with at least one professional audio tool:

• iZotope RX
• Reaper
• Audacity
• Logic Pro
• Cubase
• Other Digital Audio Workstations (DAWs)

Knowledge of:

• Audio editing and restoration
• Speech segmentation
• Spectrogram analysis
• Audio quality assessment
• Voice/audio processing workflows

Language Requirements:

• Native-level proficiency in Portuguese (C1/C2+) is preferred for language-specific projects.
• Ability to identify pronunciation, accent, and linguistic nuances.
• English proficiency sufficient to understand technical instructions and project guidelines.

Preferred Qualifications:

Experience with:

• Automatic Speech Recognition (ASR)
• Voice AI
• Voice cloning or voice mimicry projects
• ADR / dubbing
• Broadcast or media production

Assessment:

To join the TELUS Digital AI Community, candidates will complete:

• Subject-specific qualification assessment
• Practical audio/speech evaluation (where applicable)
• Identity verification process

The assessment may include:

• Speech recognition review
• Audio editing tasks
• Voice quality analysis
• Linguistic accuracy evaluation

Payment:

Currently, pay rates for specialists range from $4.50 - $12 USD per hour depending on expertise, project complexity, and market requirements. *Location and language is directly dependent.

Payment terms and rates are defined separately for each project engagement.

Why Join the TELUS Digital AI Community:

• Community Connection: Work remotely as part of a 1M+ diverse global AI Community of contributors and experts.
• Impactful Expertise: Use your native language and academic degree to shape real-world AI systems and products used by millions every day.
• Hands-on Innovation: Gain experience in the latest AI research, evaluation, and fine-tuning methodologies.
• Global Collaboration: Collaborate with a network of specialists across 20+ domains and 500+ languages and dialects.
• Flexible Engagement: Manage your own schedule while making a meaningful impact on the future of technology.

Independent Contractor Relationship:

This opportunity is offered on an independent contractor basis. Contributors have the flexibility to choose when and how much they work, subject to project availability and quality requirements. This opportunity is not and should not be construed as creating an employment relationship with TELUS Digital.