Polish Speech AI Data Labeler (Onsite)

Welocalize, Inc.; Boston (MA); On-site; USD 33,000 - 44,000; Full time

Benefits offered by this job

Paid vacation 6 days

Paid company holidays 2 days

Paid sick leave

Medical, dental, and vision insurance

Health Savings Account (HSA)

401(k) retirement plan

Employee assistance program

Voluntary benefits (life, accident, CI

Free meals on site

Stocked micro-kitchens with snacks and

Commuter benefits

Job summary

Welo Data is seeking detail-oriented Data Labeling Analysts to support speech and voice AI systems. This 100% onsite role focuses on building high-quality datasets through careful labeling of audio and language data.

Ideal candidates have native Polish, strong written skills, and at least 1 year of data labeling experience or a related degree. You will work in a structured, process-driven environment and collaborate with cross-functional teams.

Qualifications

• Native-level fluency in Polish.
• 1 year of work experience in data labeling, annotation, or related content work; or a Bachelor's degree in a related field.
• Excellent attention to detail and ability to perform repetitive tasks accurately.
• Ability to follow detailed instructions and apply guidelines consistently.
• Willingness to ask questions and escalate when needed.

Responsibilities

• Evaluate AI model outputs and provide structured, high-quality feedback.
• Perform audit-based reviews of data and model behavior — identifying patterns, edge cases, and failure modes.
• Apply guidelines thoughtfully — and flag when they don't reflect real-world scenarios.
• Contribute to improving evaluation frameworks, not just executing them.
• Identify trends in model performance and communicate insights clearly.
• Participate in team discussions, calibrations, and stakeholder syncs.
• Partner with leads and cross-functional teams to refine quality standards.
• Document findings in a clear, concise, and actionable way.

Skills

Polish fluency

Strong written communication

Attention to detail

Time management

Process-driven

Willingness to escalate

Education

Bachelor's degree or equivalent

Job description

Welo Data is seeking detail-oriented Data Labeling Analysts to support speech and voice AI systems. This 100% onsite role focuses on building high-quality datasets through careful labeling of audio and language data.

Ideal candidates have native Polish, strong written skills, and at least 1 year of data labeling experience or a related degree. You will work in a structured, process-driven environment and collaborate with cross-functional teams.