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

**Company**: Welocalize
**Location**: California
**Work arrangement**: onsite
**Experience**: mid
**Job type**: full-time
**Salary**: USD 38-38 per-hour-wage
**Category**: Data Science
**Industry**: Technology

**Apply**: https://jobs.lever.co/weloglobal/fa9914ef-4f77-4d27-98db-f26393787a4c?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_9ad5c058-8f0

## Description

Welocalize is seeking 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 will 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.

**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 Portuguese (Portugal) 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

## Skills

### Required
- Portuguese (Portugal)
- English
- data annotation
- content quality
- QA
- AI/ML data workflows
- human-in-the-loop evaluation
- Portuguese

---

Source: [Apply at jobs.lever.co](https://jobs.lever.co/weloglobal/fa9914ef-4f77-4d27-98db-f26393787a4c?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)