Project Epsilon - Portuguese (Portugual) Quality Control Specialist

Official role information

About the Role We are looking for detail-oriented Quality Control (QC) Specialist to support an AI data annotation project. In this role, you will review the work submitted by Trainers — pre-seeded questions paired with images and their corresponding "golden" answers — to confirm accuracy, consistency, and adherence to project guidelines. This is a task-based, remote-friendly opportunity ideal for individuals who are highly meticulous, observant, and skilled at spotting errors or inconsistencies that others may miss. What You'll Do Review completed tasks submitted by Trainers, including the original question, the image, and the golden answer provided Independently verify whether the golden answer is correct based on the image Identify and flag incorrect, incomplete, ambiguous, or inconsistent answers Provide clear, constructive feedback or corrections to help maintain overall data quality Track recurring error patterns and report them to the project team Ensure Trainer output meets the project's quality bar before final sign-off Escalate unclear cases (e.g., illegible images, ambiguous questions) to the project team for resolution What We're Looking For Native/Strong proficiency at Portuguese Bachelor's degree required Excellent attention to detail and a strong quality mindset Good visual observation and reading comprehension skills Ability to apply guidelines/rubrics consistently and objectively Strong written English communication skills, especially for giving feedback Prior experience in quality assurance, quality control, editing, proofreading, data review, data annotation or data labeling is a plus Reliable access to a computer and internet connection Work Format & Compensation Work Type: freelance, remote Hours/Schedule: 20 hours per week Compensation: $39.6/hr Duration: Long-term Why Join Welo Data? ✨ Limitless Flexibility Project-based opportunities that fit your availability. Choose when and how much you want to contribute—fully remote, with complete autonomy. 🌱 Limitless Growth Optional access to AI and Large Language Model workshops designed specifically for professionals like you. No coding required—just your expertise. 🌍 Limitless Support Be part of a global contributor community with responsive guidance and support. 💡 Real Impact Apply your expertise in the Legal field to influence the AI systems shaping the future of your industry—while collaborating with data professionals and expanding your skills. How to Apply? Apply now by answering a few quick questions to join our database and become part of our growing community. About Welo Data Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI with a diverse community in 100+ countries. At Welo Data, Limitless AI. Limitless You. isn’t just a slogan—it’s our promise. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their terms.

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