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Portuguese (Portugal) Data Labeling Associate - California based

Welo Data, San Francisco, CA, United States


Overview
Refine the Future of Multilingual AI
Do you have professional-level proficiency in Portuguese (Portugal) and a background in writing, with attention to AI safety?

Responsibilities

Model Evaluation: Critique Arabic AI outputs for accuracy, fluency, and tone, providing structured feedback to drive model improvement.

Safety Engineering: Use your 2+ years of GenAI safety experience to identify bias, risks, and failure modes in Arabic datasets.

Guideline Evolution: Apply complex linguistic guidelines thoughtfully and help refine evaluation frameworks to reflect real-world Arabic dialects and contexts.

Strategic Insights: Identify trends in model performance and communicate findings clearly to technical stakeholders.

Collaborative Calibration: Participate in team syncs to ensure consistent quality across global AI workstreams.

Project Details

Employment Type: W2 Full-Time Employee

Hours: 40 hours/week

Location: California (On-Site: San Francisco, Sunnyvale, or Burlingame)

Pay Rate: 34 $ (per hour)

What We’re Looking For

Linguistic Mastery: Professional-level proficiency in Portuguese (Portugal) and a bachelor’s degree or higher.

English Proficiency: B2 level or superior English skills to navigate technical guidelines and stakeholder syncs.

Professional Writing: 1–2 years of experience in professional writing, journalism, or content creation.

AI Safety Expertise: 2+ years of experience focusing on Safety & Trust in Generative AI data delivery.

Critical Thinking: The ability to make sound judgment calls in ambiguous "grey area" scenarios.

Technical Agility: A natural curiosity about LLMs and the confidence to flag issues when a model's behavior feels "off."

Premium Campus Benefits

Gourmet Dining: Free breakfast, lunch, and dinner with a wide variety of cuisines.

Snack Suites: Micro-kitchens stocked with premium coffee, beverages, and healthy treats.

Campus Features: Modern collaborative spaces and unique amenities like rooftop nature parks (at select locations).

Full Security: Comprehensive Medical, Dental, and Vision + 401(k) and HSA eligibility.

Commuter Support: Free transport, shuttles, and 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.

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