Project Perseus | Data Quality Analyst - Portuguese (Brazil) Speakers (Human-in-the-Loop AI)

Job description

Overview Welo Data is looking for experienced, detail-oriented professionals to join our team as Data Quality Analysts. This role sits at the center of execution and quality — bridging Data Labeling Associates (DLAs) and Team Leads to ensure work is not only completed, but done right. You'll work closely with both people and AI systems — auditing outputs, supporting day-to-day execution, and helping teams apply guidelines correctly in fast-moving, real-world scenarios. The work combines data quality, light project coordination, and hands-on training, where your ability to guide others and think critically is just as important as your own output. Project Details: - Job Title: Data Quality Analyst - Hiring in: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame. - Hours: Full-time, 40 hours per week - Employment Type: W2 Full-Time Employee - Work Authorization: Must be authorized to work in the U.S. (no visa sponsorship) - Pay Rate: $38/hour What You’ll Do: - Support quality and execution across DLA teams, ensuring work meets defined standards at scale - Audit DLA outputs and provide structured, actionable feedback to improve accuracy and consistency - Act as the fi...