Project Perseus | Speech & Voice AI Analyst - Polish Speakers

About the Role

Welo Data is seeking detail-oriented and reliable individuals to join our team as Data Labeling Analysts, supporting speech and voice AI systems. This high-impact production role focuses on building datasets that power real-world AI systems. You’ll work with audio, speech, and language data, ensuring models are trained on accurate, well-structured, and representative inputs. The role requires strong judgment, attention to detail, and consistency, sitting at the intersection of language, data, and AI systems.

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 Polish
• 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
• Basic familiarity with AI, speech technology, or language data is a plus

Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

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.)
• Onsite Perks (where applicable): Free breakfast, lunch, and dinner; stocked micro-kitchens; commuter benefits

Schedule

Full-time, 40 hours per week, 100% onsite. Remote work is not available for this role. Candidates must be located in or able to commute to one of the following cities: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Los Angeles, Washington DC, Boston.

Pay

$28/hour

Note: This role requires authorization to work in the U.S. without visa sponsorship. New employees must complete a live video verification and provide photos of selected IDs within the first 3 days of employment to verify work authorization as required by Federal law (I-9 process).