Czech Data Labeling Analyst(Speech & Voice ) at Welo Data · Los…

Summary: Welo Data is looking for detail-oriented individuals to join their team as Data Labeling Analysts, supporting speech and voice AI systems. This role focuses on executing high-volume data labeling and annotation tasks to ensure models are trained on accurate and well-structured data. 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 Required Qualifications: - Native-level fluency in Croatian - Strong written communication skills and language fundamentals - 1 year of work experience in data labeling, annotation, or content-focused work; or a Bachelor's degree or equivalent academic qualification in a related field - 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 Preferred Qualifications: - Basic familiarity with AI, speech technology, or language data is a plus Required Skills: Croatian language fluency, Data labeling, Data annotation, Speech technology familiarity, AI basics, Audio transcription Benefits: Paid Vacation: 6 days, Paid Company Holidays: 2 days (Memorial Day and Labor Day), Paid Sick Leave: accrued per applicable state law and company policy, Medical, Dental, and Vision Insurance (eligibility applies), Health Savings Account (HSA), 401(k) Retirement Plan, Employee Assistance Program, Additional voluntary benefits (life, accident, critical illness, etc.), Free breakfast, lunch, and dinner, Stocked micro-kitchens with snacks and beverages, Commuter benefits, including shuttles and bike-to-work options, Unique campus features depending on location