As aCzech Speech & Audio AI Specialist in our Global AI Community, you evaluate and validate speech AI systems—ensuring machine-generated voices sound natural, speech recognition captures intent accurately, and voice AI models learn from high-quality datasets. Your work directly impacts millions of users' voice-based AI experiences.
Czech Speech & Audio AI Specialist - English speaker in Czech (Czechia)
Analyze audio using waveform and spectrogram tools to identify quality issues
Provide structured feedback for model improvement
Audio Editing & Technical Proficiency
Perform professional audio editing (segmentation, trimming, noise reduction, enhancement)
Apply audio restoration techniques to optimize speech samples
Prepare and validate speech content for training pipelines
Speech Linguistics & Dataset Validation
Apply phonetics and linguistics expertise to identify speech variations across accents and languages
Review voice recordings for clarity, consistency, and technical quality
Support creation and validation of high-quality speech datasets
Perform audio annotation and labeling for dataset integrity
Voice AI Project Support
Support TTS, ASR, voice similarity, voice generation, and conversational AI evaluation projects
Contribute to quality assurance workflows for voice technology projects
Document findings to inform model improvement
Mandatory Qualifications
Education / Professional Background
One of the following:
Bachelor's degree in Audio Engineering, Sound Engineering, Music Technology, Linguistics, Phonetics, Speech-Language Pathology, Computational Linguistics, or Computer Science (Speech/AI focus)
OR 2+ years professional experience in: audio production, dialogue editing, voice recording, podcast/audio post-production, speech dataset creation, or AI speech projects
Language Requirements
Native-level Czech (C1/C2+) – Required for pronunciation and linguistic accuracy
Professional English (B1+) – Required for technical instructions and documentation
Technical Competency
Hands-on experience with at least one professional audio tool: Adobe Audition, iZotope RX, Pro Tools, Reaper, Audacity, Logic Pro, Cubase, or equivalent DAW
Working knowledge of: audio editing/restoration, noise reduction, spectrogram analysis, waveform interpretation, and audio quality assessment
Qualification path
Assessment & Verification Requirements
Completion of subject-specific qualification assessment (practical audio/speech evaluation)
Identity verification (IDV) process – Required as soon as possible after application completion
Job details
Location
Brno, Czechia
Job type
Part-time
Work arrangement
Remote
Experience
Entry level
Deadline
29 November 2026
Category
AI / Machine Learning
About the company
Telus Digital
Employer profile
TELUS Digital is at the forefront of creating and enhancing the world's data to enable better AI via human intelligence. By providing enriched data through a skilled team of AI specialists and a managed AI Community of over one million crowd contributors, we empower generative AI (GenAI), computer vision, and natural language processing models. Utilizing proprietary AI-assisted, quality-optimized technology, we ensure efficient data collection, accurate labeling, and precise fine-tuning. Our solutions improve AI systems in multiple applications, such as advanced smart products, improved search results, expanded speech recognition, more human-like bot interactions, and more.
