Data Quality Analyst — Multilingual

Job overview

The Data Quality Analyst role is 100% onsite and may be based in one of the listed hiring cities, including Washington, DC. The posting states a pay rate of $38 per hour and a one-year contract with possible extension. Welo Data provides multilingual content transformation and training-data services for machine learning. The analyst audits data annotator outputs, provides actionable feedback, supports onboarding, and monitors workflows and quality issues. The role helps improve consistency and quality across human and model outputs and contributes to better AI system evaluation and performance.

What you'll do

• Audit data annotator outputs and provide structured feedback
• answer questions and clarify guidelines
• support onboarding and coaching
• monitor workflows, queues, and blockers
• identify recurring issues and edge cases
• participate in calibrations and stakeholder discussions
• document findings and contribute to process improvements.

What we're looking for

Skills & competencies

data quality analyst

multilingual

ai data quality

data annotation

quality auditing

onsite

washington dc

$38/hour

welo data

english plus two languages

full-time employee

medical dental vision

Work arrangement

• Weekend coverage required

Benefits & perks

• Six paid vacation days
• two paid company holidays
• accrued paid sick leave
• medical, dental, and vision insurance eligibility
• HSA
• 401(k)
• employee assistance program
• voluntary benefits
• free meals and snacks
• commuter benefits.

Why this role

Requires English plus at least two additional languages, including one from French, Italian, Spanish, or German and one from Portuguese, Russian, Polish, Turkish, or Vietnamese; 100% onsite; one-year contract with possible extension.

About the employer

Welo Data is hiring for this role. Industry: All Other Professional, Scientific, and Technical Services. Sector: 54.