Welo Data partners with technology companies to deliver high‑quality, ethically sourced, diverse, relevant, and scalable datasets that strengthen their AI models. As part of the Welocalize family, Welo Data draws on more than 25 years of experience working with leading global innovators and unites a curated worldwide community of over 500,000 AI training specialists and domain experts. Our services include:

ANNOTATION & LABELLING: Transcription, summarization, and image and video classification and labeling.

ADVANCING LLMs: Prompt engineering, SFT, RLHF, red teaming and adversarial testing, and model output ranking.

DATA COLLECTION & CREATION: From institutional language resources to remote audio capture in the field.

RELEVANCE & INTENT: Culturally aware ranking, relevance, and evaluation services for search, ads, and LLM output optimization.

Interested in joining the Welo Data team? We bring practical, hands-on AI expertise to every project, backed by strong academic backgrounds and deep experience with cutting‑edge AI tools, frameworks, and best practices. Help us elevate our clients’ data at Welo Data.

Shape the Future of AI — On Your Terms

At Welo Data, we’re transforming how humans and machines communicate. As part of the Welocalize ecosystem, we work with top global companies to build inclusive, human‑focused AI rooted in high-quality language data.

We’re growing a worldwide network of linguists, language enthusiasts, and culturally curious contributors who want to influence the next generation of technology through the power of language.

This is your space to learn, grow, and connect — on a schedule that works for you.

Join Our Talent Community

Whether you’re an experienced linguist or simply passionate about the intersection of language and technology, Welo Data welcomes you. By joining our talent pool, you’ll be among the first considered for upcoming task‑based projects in areas such as annotation, evaluation, and prompt development.

When a suitable project becomes available, we’ll invite you to a brief 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 Swahili
• Based in Tanzania, Kenya, or the Democratic Republic of the Congo
• Strong English skills (written and spoken)
• Comfortable with digital tools and remote work
• Naturally detail‑oriented, curious, and eager to learn
• Willing to take on a variety of language‑focused tasks

Why Work With Welo Data?

• Limitless You – Work your way. Whether you’re beginning your journey or expanding your expertise, Welo Data offers the flexibility to build skills, explore new opportunities, and maintain balance on your terms.
• Limitless AI – Contribute to the evolution of technology. Your work will help train AI systems used by millions, making them more intelligent, inclusive, and human‑centered.
• A Global Community – Join a diverse group of language lovers, technologists, and creatives working together to build a more connected world.
• Opportunities First – Be among the first to access projects suited to your skills and availability. If language, technology, and the future of AI excite you, 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