Welo Data works with technology companies to provide high-quality, ethically sourced, relevant, diverse datasets that are scalable to help supercharge their AI models. As a Welocalize brand, WeloData draws on more than 25 years of experience partnering with some of the world’s most innovative companies and brings together a curated global community of 500,000+ AI training and domain experts. Our services include:

ANNOTATION & LABELLING: Transcription, summarization, and image and video classification and labeling.
ENHANCING LLMs: Prompt engineering, SFT, RLHF, red teaming, adversarial model training, and model output ranking.
DATA COLLECTION & GENERATION: Collecting and generating data, from institutional languages to remote field audio.
RELEVANCE & INTENT: Contextually and culturally nuanced ranking, relevance, and evaluation to train models for search, ads, and LLM output.

Want to join the Welo Data team? We bring practical, hands-on AI expertise to projects. We combine strong academic experience with deep, working knowledge of state-of-the-art AI tools, frameworks, and best practices—helping elevate our clients’ data at Welo Data.

**Shape the Future of AI — On Your Terms**
At Welo Data, we’re rethinking how people and machines understand each other. As part of the Welocalize family, we partner with leading global companies to power inclusive, human-centered AI built on high-quality language data.

We’re creating a worldwide network of talented linguists, language enthusiasts, and culturally curious contributors ready to help shape the next wave of technology through language.

This is your space to grow, learn, and connect on your schedule.

**Join Our Talent Community**
Whether you’re a professional linguist or simply interested in the intersection of language and technology, Welo Data welcomes you. When you join our talent pool, you’ll be among the first considered for future, task-based projects in areas such as annotation, evaluation, and prompt creation.

When a suitable opportunity becomes available, we’ll invite you to a short qualification process, which may include training, assessments, or onboarding steps depending on the project.

**Who We’re Looking For:**
– Native or near-native fluency in **Serbian**
– Based in **Serbia**
– Proficient in English (written and spoken)
– Comfortable using digital tools and working remotely
– Naturally detail-oriented, curious, and eager to learn
– Open to working on a wide range of language-focused tasks

**Why Choose Welo Data?**
– **Limitless You – Work on your terms**: Whether you’re just getting started or further developing your expertise, Welo Data offers flexibility to grow your skills, explore new projects, and manage your work-life balance on your own schedule.
– **Limitless AI**: Help drive the technology revolution. Your contributions will support the training and improvement of AI systems that impact millions of lives—making them more inclusive, intelligent, and human-centered.
– **Be Part of Us**: Join a dynamic, global community of language lovers, technologists, and creatives working together to build a more connected world.
– **Opportunity**: Get first access to projects that match your skills and availability. If you’re passionate about language, technology, and shaping the future of AI, we’d love to hear from you.

**Apply now** by answering a few quick questions to join our community.

📬 Questions? Contact us at jobposting@welocalize.com