Welo Data partners with technology companies to deliver high-quality, ethically sourced datasets that are relevant, diverse, and scalable—helping to strengthen their AI models. As a Welocalize brand, Welo Data draws on more than 25 years of experience supporting the world’s most innovative companies and brings together a curated global community of 500,000+ AI training and domain experts to offer services across:

ANNOTATION & LABELING: Transcription, summarization, and image/video classification and labeling.
ENHANCING LLMs: Prompt engineering, SFT, RLHF, red teaming, adversarial model training, and model output ranking.
DATA COLLECTION & GENERATION: From institutional languages to collecting audio from remote locations.
RELEVANCE & INTENT: Culturally nuanced and aware ranking, relevance, and evaluation to train models for search, ads, and LLM outputs.

Want to join our Welo Data team? We bring hands-on, practical AI expertise to each project. You’ll work with both strong academic grounding and deep, working knowledge of today’s leading AI tools, frameworks, and best practices. Help us elevate our clients’ data at Welo Data.

**Project Overview**
We are seeking detail-oriented freelance AI Content Evaluators to support a high-impact data annotation project.

In this role, you will review content and assess how well it follows the provided guidelines. This includes evaluating different content types and applying structured criteria to ensure consistent, high-quality annotations.

Full details and task scope will be provided during onboarding. This is an opportunity to contribute directly to content quality and user experience at a global scale.

**Project Details**
– Location: Remote – Greece
– Target Language: Greek (Greece)
– Team: Welo Data – AI Services
– Engagement Type: Freelance – Remote
– Start Date: Immediate
– Duration: 2–3 weeks minimum
– Availability: Part-time
– Pay Rate: Task-based (approximately $15 USD per hour)

**Responsibilities**
– Review content according to defined guidelines
– Evaluate and annotate different content types using structured criteria
– Make consistent, accurate judgments to ensure annotation quality
– Follow project guidelines and adjust as updates are released
– Complete tasks within agreed timelines on a flexible part-time schedule
– Participate in onboarding and calibration sessions

**Qualifications**
– Native-level proficiency in the target language (C2 or equivalent), with strong grammar knowledge, fluency, and understanding of regional usage
– Relevant experience in localization QA, translation/revision, linguistic work, or AI/ML data annotation is preferred
– Strong analytical skills and the ability to follow structured guidelines consistently
– Fluency in English to understand instructions and provide basic reasoning when needed
– Strong attention to detail and the ability to remain consistent across tasks
– Comfort working with evolving guidelines in a fast-paced environment
– Familiarity with digital content platforms (music, podcasts, media) is a plus

**Requirements**
– Ability to commit for the full project duration and expected workload
– Reliable internet access and a personal computer
– Ability to work as an independent freelance contractor in the target country

**Why Join Welo Data?**
– **Limitless Flexibility:** Project-based work that fits your availability. Choose when and how much you want to contribute—fully remote, with full autonomy.
– **Limitless Growth:** Optional access to AI and Large Language Model workshops designed for professionals. No coding required—your expertise is what matters.
– **Limitless Support:** Join a global community of contributors with responsive guidance and support.
– **Real Impact:** Use your legal expertise to influence the AI systems shaping your industry’s future, while collaborating with data professionals and growing your skills.

**How to Apply?**
Apply now by answering a few quick questions to join our database and become part of our expanding community.

**About Welo Data**
Welo Data, part of Welocalize, is a global AI data company with 500,000+ contributors providing high-quality, ethical data to train the world’s most advanced AI systems. We’re building smarter, more human AI through a diverse community across 100+ countries.

At Welo Data, “Limitless AI. Limitless You.” is more than a slogan—it’s our commitment. We build smarter AI through the power of human contribution, offering limitless opportunities for our global community to grow, contribute, and work on their own terms.

We may use AI tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or evaluating responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are made by humans. If you would like more information about how your data is processed, please contact us.