Welo Data collaborates with technology companies to supply high-quality, ethically sourced, relevant, diverse, and scalable datasets for AI models. As a brand of Welocalize, WeloData draws on over 25 years of experience partnering with innovative companies and a global community of over 500,000 AI training and domain experts. Our services include:

• ANNOTATION & LABELLING: Transcription, summarization, image and 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 remote field audio collection.
• RELEVANCE & INTENT: Culturally nuanced ranking, relevance, and evaluation for training search, ads, and LLM output models.

Join the Welo Data team to bring practical, applied AI expertise to projects. We combine strong academic experience with deep knowledge of state-of-the-art AI tools, frameworks, and best practices to elevate our clients' data.

Help Shape the Future of AI — On Your Terms

At Welo Data, we power human-centered AI with high-quality language data. Work with global clients to make technology more inclusive through language.

We are building a global community of linguists, language enthusiasts, and culturally aware contributors. Explore opportunities in annotation, evaluation, and prompt creation – all remote, flexible, and impactful.

What You’ll Need

• Native or near-native fluency in Dutch
• Based in: Netherlands, Belgium, Canada, France, Germany, Spain, UK, Suriname
• English proficiency
• Comfortable with digital tools
• Detail-oriented and curious

Why Join Us?

• 🚀 Limitless You – Work when and where you want, with room to grow.
• 🤖 Limitless AI – Contribute to smarter, more inclusive AI.
• 🌎 Be Part of Us – Join a global, supportive community.