Global AI Annotation & Evaluation Specialist — Remote

Global AI Annotation & Evaluation Specialist — Remote

Freelance 30000 - 40000 £ / year (est.) Working from home possible
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At a Glance

  • Tasks: Join a global network to annotate, evaluate, and create prompts for AI systems.
  • Company: Welo Data, a leader in multilingual data and evaluation for AI.
  • Benefits: Flexible remote work, choose your projects, and grow your skills.
  • Other info: Be part of a supportive community and tackle real-world AI challenges.
  • Why this job: Shape smarter, more inclusive AI while working on your terms.
  • Qualifications: Fluency in English, detail-oriented, and comfortable with digital tools.

The predicted salary is between 30000 - 40000 £ per year.

About Welo Data

Welo Data, a WeloGlobal brand, is the multilingual data and evaluation partner for foundation labs and enterprises deploying GenAI systems globally. They deliver the human judgment, data infrastructure, and evaluation systems that ensure AI models perform reliably across languages, cultures, and real‑world contexts at every stage from training through deployment. It has a global network of 500,000+ vetted experts spanning 300+ languages and locales, enabling high‑quality multilingual data creation and structured model evaluation across the full spectrum of modern AI applications — from large language models and voice and speech systems to agentic workflows and robotics and embodied AI. This breadth of linguistic, cultural, and domain expertise enables Welo Data to address critical AI development challenges, including safety, bias, inclusivity, and cross‑lingual reliability.

A unified global operating model, led by specialized program and quality experts and grounded in assessment‑driven talent selection, localized rubrics, and continuous calibration, ensures consistent performance across languages, domains, and modalities. Underpinning all of this is NIMO™ (Network Identity Management and Operations), Welo Data’s proprietary identity and fraud‑prevention framework. Built to maintain data integrity and workforce trust across a global contributor base, NIMO combines advanced verification, continuous monitoring, and structured QA to ensure every dataset is accurate, traceable, and culturally grounded.

Are you detail‑oriented and curious about tech? Welo Data is building a global network of linguists, language enthusiasts, and culturally aware contributors to shape safer, smarter AI. By joining our talent community, you’ll be first in line for flexible, remote projects in annotation, evaluation, and prompt creation—always on your terms.

Note: This is not an active job opening. By applying, you’ll join our global contributor network. When a project aligns with your skills and availability, we’ll reach out with all the details, including scope, timeline, and compensation.

What You’ll Need

  • Native or near‑native fluency in English
  • Based in: United Kingdom
  • 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

About our projects

Welo Data projects vary by scope and complexity, but all play a role in building more accurate, inclusive, and human‑centered AI.

  • Annotate or label text, images, or audio to train AI systems
  • Evaluate search results, ads, or chatbot responses for quality and relevance
  • Create and test prompts to improve large language models (LLMs)
  • Ensure content reflects cultural, linguistic, or industry‑specific accuracy

Some projects last a few days; others may extend over several weeks. Before each one, you’ll receive clear details on tasks, timelines, and compensation, so you can decide what works best for you.

How to Apply

Click the Apply button on our website to fill out a short form and join our talent database. It only takes a few minutes to get started and become part of our growing community.

Questions

If you have any questions about the process, feel free to contact us.

Global AI Annotation & Evaluation Specialist — Remote employer: Welo Global

Welo Data is an exceptional employer that offers limitless flexibility and growth opportunities for its employees, particularly in the role of Expert Rater. Located in Spain, you will be part of a supportive global community that values your contributions and provides real-time assistance, allowing you to thrive in a dynamic work environment while enhancing your skills in AI data services.

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Contact Details:

Welo Global Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Global AI Annotation & Evaluation Specialist — Remote

Showcase Your Skills with a Public Portfolio

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Get Involved in Data Science Communities

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We think you need these skills to ace Global AI Annotation & Evaluation Specialist — Remote

Native or near-native fluency in English
Detail-oriented
Curiosity about technology
Comfortable with digital tools
Cultural awareness
Linguistic expertise
Annotation skills

Some tips for your application 🫡

Showcase Your Projects:When applying for a freelance data science role like Global AI Annotation & Evaluation Specialist — Remote at Welo Global, it’s crucial to highlight your projects. Include a portfolio that features at least two or three projects involving data analysis, machine learning, or visualisation. Make sure to describe the tools and methodologies you used, so we can see your skills in action!

Quantify Your Achievements:Freelance gigs, especially in data science, often ask for proven results. In your CV, include any relevant metrics or outcomes from your previous work. Did your analysis help reduce costs by a certain percentage? Or did your predictive model improve performance? Numbers speak volumes!

Introduce Your Style:Since freelancing is all about your individual style and approach, use your cover letter to share how you tackle data problems. This is your chance to let us know how you think, your creative problem-solving methods, and how you would approach a project at Welo Global.

Be Real About Your Rates:When you send in your application, don’t forget to mention your freelance rates and availability. We appreciate clarity up front, and it helps us gauge if you fit within our budget and timeline. Being transparent in this aspect shows professionalism and readiness!

How to prepare for a job interview at Welo Global

Show Off Your Data Wizardry

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