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

Welo Data; Redmond (WA); On-site; USD 124,000 - 152,000; Full time

Benefits offered by this job

Paid Vacation

Paid Company Holidays

Health Insurance

401(k) Retirement Plan

Employee Assistance Program

Free snacks & beverages

Job summary

Welocalize seeks a Data Quality Analyst for Portuguese (Portugal) speakers to work in a human-in-the-loop AI environment. The position is 100% onsite in Redmond, WA, with remote work not available, and requires a university degree along with strong English proficiency.

The role focuses on auditing outputs, guiding DLAs, and upholding quality standards across workflows. You will contribute to process improvements, documentation, and stakeholder communications.

Qualifications

• Native-level Portuguese (Portugal) language proficiency and a university degree.
• B2 or superior level of English.
• 2–4 years of experience in data annotation, content quality, QA, or related fields.
• Ability to interpret and apply complex guidelines with consistency.

Responsibilities

• 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.

Job description

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

Welo Data

Redmond, Washington

$137,999 per year - estimated

$38/hour

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
• Important: This is a 100% onsite position - remote work is not available for this role. To be considered, candidates must be located in or able to commute to one of the following cities: NYC, Seattle, Bellevue, Redmond, San Francisco, Sunnyvale, Burlingame, Austin, Los Angeles, Washington DC, Chicago, Boston, Austin. Please only apply if you meet this location requirement.

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.

Why This Role

This is an opportunity to move beyond traditional data work and play a direct role in how AI systems are evaluated and improved. The work is fast-moving, collaborative, and increasingly central to how modern AI systems are built and deployed.

Employment & Compliance

To verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. In addition, we employ anti‑fraud checks to ensure all candidates meet the requirements of the program.

As a trusted global transformation partner, Welocalize accelerates the global business journey by enabling brands and companies to reach, engage, and grow international audiences. Welocalize delivers multilingual content transformation services in translation, localization, and adaptation for over 250 languages with a growing network of over 400,000 in‑country linguistic resources. Driving innovation in language services, Welocalize delivers high‑quality training data transformation solutions for NLP‑enabled machine learning by blending technology and human intelligence to collect, annotate, and evaluate all content types. Our team works across locations in North America, Europe, and Asia serving our global clients in the markets that matter to them.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans.