Spanish(Mexico) Data Labeler

Welo Data•New York, NY

2d•Onsite

About The Position

Welo Data is seeking detail-oriented and reliable individuals to join our team as Data Labeling Analysts. This role is crucial for supporting speech and voice AI systems by building the datasets that power real-world AI applications. You will work with audio, speech, and language data to ensure models are trained on accurate, well-structured, and representative inputs. While this position is execution-focused, it demands strong judgment, meticulous attention to detail, and consistency. The work involves the intersection of language, data, and AI systems, requiring precision and discipline at scale. We are looking for dependable, focused individuals who take pride in producing high-quality work, even within repetitive workflows.

Requirements

Native-level fluency in Spanish (Mexico)
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
Must be authorized to work in the U.S. (no visa sponsorship)
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.

Nice To Haves

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

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

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 (where applicable)
Stocked micro-kitchens with snacks and beverages (where applicable)
Commuter benefits, including shuttles and bike-to-work options (where applicable)