Czech Data Labeling Analyst Speech Voice Ai

## About the role Welo Data is looking for detail-oriented and reliable individuals to join our team as Data Labeling Analysts, supporting speech and voice AI systems. This is a high-impact production role focused on building the datasets that power real-world AI systems. You'll be working with audio, speech, and language data — helping ensure models are trained on accurate, well-structured, and representative inputs. While this role is more execution-focused than evaluation-heavy roles, it still requires strong judgment, attention to detail, and consistency. The work sits at the intersection of language, data, and AI systems — where precision and discipline matter at scale. We're looking for people who are dependable, focused, and take pride in producing high-quality work, even across repetitive workflows. ## Responsibilities - Execute high-volume data labeling and annotation tasks across speech and voice datasets - Follow detailed guidelines to ensure consistency, accuracy, and data integrity at scale - Work with audio and language data, including transcription, categorization, and tagging - Maintain strong throughput while meeting quality expectations - Escalate unclear or ambiguous cases appropriately - Adapt to evolving guidelines and workflows as systems and requirements change - Support baseline data production needs for AI training pipelines - Contribute to team calibrations and quality alignment sessions ## Requirements - Native-level fluency in Czech - Strong written communication skills and language fundamentals - 1–2 years of experience in data labeling, annotation, or content-focused work - Ability to follow detailed instructions and apply guidelines consistently - High attention to detail and ability to maintain accuracy in repetitive tasks - Comfort working in structured, process-driven environments - Ability to manage time effectively and maintain steady output - Willingness to ask questions and escalate when needed ## Nice to have - Basic familiarity with AI, speech technology, or language data ## What we offer - Full-time, 40 hours per week - W2 Full-Time Employee - Pay Rate: $26 - $28/hour ## About the company Welo Data is a company focused on building datasets that power real-world AI systems. ## Important location details This is a 100% onsite position — remote work is not available for this role. To be considered, candidates must be located in or able to commute to one of the following cities: New York City, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, or Burlingame. Please only apply if you meet this location requirement. ## Employment details - **Job Title:** Data Labeling Analyst - **Hiring in:** Onsite (Bay Area, Seattle, NYC, or client-dependent) - **Work Authorization:** Must be authorized to work in the U.S. (no visa sponsorship)