Project Perseus | Speech & Voice AI Analyst - Polish Speakers

Data Labeling AnalystWelo 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.Important: 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: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Los Angeles, Washington DC, Chicago, Boston. Please only apply if you meet this location requirement.What You'll DoExecute high-volume data labeling and annotation tasks across speech and voice datasetsFollow detailed guidelines to ensure consistency, accuracy, and data integrity at scaleWork with audio and language data, including transcription, categorization, and taggingMaintain strong throughput while meeting quality expectationsEscalate unclear or ambiguous cases appropriatelyAdapt to evolving guidelines and workflows as systems and requirements changeSupport baseline data production needs for AI training pipelinesContribute to team calibrations and quality alignment sessionsWhat We're Looking ForNative-level fluency in PolishStrong written communication skills and language fundamentals1 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 consistentlyHigh attention to detail and ability to maintain accuracy in repetitive tasksComfort working in structured, process-driven environmentsAbility to manage time effectively and maintain steady outputWillingness to ask questions and escalate when neededBasic familiarity with AI, speech technology, or language data is a plusBenefitsPaid Vacation: 6 daysPaid Company Holidays: 2 days (Memorial Day and Labor Day)Paid Sick Leave: accrued per applicable state law and company policyMedical, Dental, and Vision Insurance (eligibility applies)Health Savings Account (HSA)401(k) Retirement PlanEmployee Assistance ProgramAdditional voluntary benefits (life, accident, critical illness, etc.)Onsite Perks (where applicable): 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 locationWhy This Role This role is a critical part of how modern AI systems are built. The data you produce directly impacts how speech and voice models understand and interact with real users. It's a great entry point into AI operations, offering exposure to large-scale systems and the opportunity to build foundational experience in data, language, and AI workflows.