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 Spanish
- 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, or data review is a plus
- Reliable access to a computer and internet connection Work Format & Compensation - Work Type: freelance, remote
- Hours/Schedule: 10 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 general 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.

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.

📌 Project Chiron - Spanish (Latin America) Quality Control Specialist (Argentina)
🏢 Welo Global
📍 Argentina