Project Perseus | Data Quality Analyst - German Speakers (Human-in-the-Loop AI)
Welo Global
Sourced from Welo Global's careers site · Posting last seen November 2, 2026
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: Onsite (Bay Area, Seattle, NYC, or client-dependent)
- 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 first line of support for DLAs — answering questions and helping interpret guidelines
- Help DLAs navigate ambiguity and apply evolving instructions effectively
- Support onboarding and training of new DLAs through hands-on guidance and coaching
- Monitor workflows, queues, and blockers — escalating risks and gaps to Team Leads
- Identify patterns, recurring issues, and edge cases in both human and model outputs
- Participate in calibrations, team discussions, and stakeholder syncs
- Contribute to improving guidelines, processes, and overall team performance
- Document findings and feedback in a clear, concise, and actionable way
What We’re Looking For
- Native-level German language proficiency and a university degree (Bachelor’s or higher).
- B2 or superior level of English.
- 2–4 years of experience in data annotation, content quality, QA, or related fields
- Strong ability to interpret and apply complex guidelines with consistency
- Excellent attention to detail with a high bar for quality
- Ability to stay consistent while working with evolving guidelines and priorities
- Experience in AI/ML data workflows or human-in-the-loop evaluation environments
- Prior experience auditing or reviewing the work of others
- Familiarity with safety, compliance, or policy-driven content evaluation
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 Gourmet Food: Free breakfast, lunch, and dinner are provided, featuring a wide variety of cuisines in multiple cafes.
- Micro-kitchens & Snacks: Offices are stocked with free snacks and beverages, including premium coffee and La Croix.
- Unique Campus Features: Some locations include roof-top nature parks
- Commuter Benefits: Free transport, shuttles, and sometimes bike-to-work perks.
Compensation (from employer):
32–32 USD per-hour-wage
Skills
- native-level German
- university degree (Bachelor’s or higher)
- B2 English
- data annotation
- content quality
- QA
- complex guideline interpretation
- attention to detail
- consistency with evolving guidelines and priorities
- AI/ML data workflows
- human-in-the-loop evaluation
- auditing or reviewing others' work
- safety
- compliance
- policy-driven content evaluation
- data quality
- German language
- AI/ML
Summary
Audit data outputs, coach annotators, support workflows, and improve quality, consistency, and guideline adherence.
Job title
Project Perseus | Data Quality Analyst - German Speakers (Human-in-the-Loop AI)
Experience level
2–4 years
Minimum experience
2+ years
Industry
language services
Location
California, USA · On-site
+ 12 more locations
- New York, NY · On-site
- Seattle, WA · On-site
- Bellevue, WA · On-site
- Redmond, WA · On-site
- San Francisco, CA · On-site
- Sunnyvale, CA · On-site
- Burlingame, CA · On-site
- Austin, TX · On-site
- Los Angeles, CA · On-site
- Washington, DC · On-site
- Chicago, IL · On-site
- Boston, MA · On-site
As listed by the employer.
Salary
**Compensation (from employer):** 32–32 USD per-hour-wage
Listed in the job description
Management role
No
- Sep 4, 2026 First posted
- Sep 4, 2026 Live now
As observed on the employer's careers site by ApplyAll. We show every change we've seen including removals.
Posting history
- Sep 4, 2026 First posted
- Sep 4, 2026 Live now
As observed on the employer's careers site by ApplyAll. We show every change we've seen including removals.
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