Portuguese (Portugal) Data Quality Analyst - California based

The Bridge Between Human Judgment and AI Excellence

Are you an experienced QA professional who knows how to mentor others and maintain a high bar for data integrity?

Welo Data

is seeking

Data Quality Analysts

for

Project Perseus

. This isn't just about labeling; you are the

Quality Gatekeeper

. You will bridge the gap between our Data Labeling Associates (DLAs) and Team Leads, ensuring that human feedback for cutting-edge Portuguese (Portugal) AI models is not only accurate but world-class. The Mission: Leading the Quality Loop Human-to-Human Auditing:

Audit the work of DLAs, providing structured, actionable feedback to drive team-wide improvement. Tactical Support:

Act as the first line of defense for the team—answering complex linguistic questions and interpreting evolving guidelines. Onboarding & Coaching:

Lead hands-on training for new associates, helping them navigate the nuances of Portuguese (Portugal) dialects and AI safety. Workflow Orchestration:

Monitor queues and identify blockers, escalating risks to Team Leads before they impact the program. Strategic Insights:

Spot high-level patterns in both human and model behavior, contributing directly to the evolution of project guidelines. Project Details Employment Type:

W2 Full-Time Employee Hours:

40 hours/week Location: California (On-Site: San Francisco, Sunnyvale, or Burlingame) Pay Rate: 38 $

(per hour) What We’re Looking For Experience: 2–4 years

in data annotation, QA, content quality, or human-in-the-loop (HITL) workflows. Linguistic Mastery:

Professional-level proficiency in

Portuguese (Portugal)

and a

University Degree

(Bachelor’s or higher). English Fluency:

B2 level or superior English to handle stakeholder syncs and technical reporting. Leadership Instincts:

Prior experience auditing or reviewing the work of others; you know how to coach without micromanaging. Detail Obsession:

A high bar for quality and the ability to stay consistent while guidelines shift in real-time. Safety Mindset:

Familiarity with safety, compliance, or policy-driven evaluation in a GenAI context. Premium Campus Benefits Gourmet Dining:

Free breakfast, lunch, and dinner with a wide variety of cuisines. Office Perks:

Micro-kitchens stocked with premium coffee, La Croix, and healthy snacks. Wellness & Security:

Comprehensive Medical, Dental, and Vision + 401(k) and HSA eligibility. Modern Campus:

Access to rooftop nature parks and state-of-the-art collaborative workspaces. Commuter Benefits:

Free shuttles, transport perks, and bike-to-work support.