Welocalize

Global language services and AI data training company delivering localization, translation, and human-in-the-loop evaluation across 300+ languages.

AI Training AI & Language Services

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New York, NY, USA HQ

1000+ company size

1997 founded

What is Welocalize?

Welocalize is a global language services provider headquartered in New York City that integrates language expertise and AI to deliver translation, localization, and AI data training solutions. Through its Welo Data brand, the company provides enterprise AI training data and human-in-the-loop evaluation services with comprehensive infrastructure for developing and deploying AI models. Welocalize emphasizes quality, cultural fluency, and domain expertise in its work. The company's OPAL Enable platform uses AI-powered workflows to enhance speed, cost-efficiency, and quality of multilingual content delivery across more than 300 languages. Services span AI for localization, multimedia localization, and specialized localization for regulated industries including legal, marketing, medical devices, and clinical trials. Remote opportunities include freelance, part-time, and full-time AI data training, localization, and content review roles available across Europe, the Americas, and Asia.

Mission & values

Deliver translation, localization, and NLP-powered AI training data for global enterprises through a 30,000-strong network of linguists and subject-matter experts.

Qualifications

For AI training and data annotation roles (Welo Data), native or near-native proficiency in a target language and strong written English skills are typically required. The ability to meticulously follow guidelines is essential. The hiring process involves passing language and qualification exams, with optional learning resources provided to expand skills. Comfort with digital tools and a detail-oriented, curious attitude are valued. For broader localization roles, candidates should be driven and possess a passion for language and culture. No specific degree is universally required for annotation roles, though language credentials and domain expertise (legal, medical, technical, financial) enhance candidacy. For specialized translation roles, professional linguistic qualifications and experience with translation memory tools (such as Trados) may be required. Flexible scheduling options are available for most remote positions.

Leadership

Paul Carr

Chief Executive Officer

Joined Welocalize from Third Bridge to lead the company's next era of AI-powered language services.

Smith Yewell

Co-Founder & Board Member

Co-founded Welocalize in 1997 with his wife Julia; served as CEO for 25+ years before transitioning to the Board of Directors.

Julia Yewell

Co-Founder

Funding

StageBootstrapped

Awards & recognition

OPAL — proprietary Service Delivery Platform for AI-powered language services

Welocalize

Frequently asked questions

What does Welocalize do?

Translation and localization (UI, technical manuals, websites, mobile, advertising, training, employee comms) plus NLP-enabled AI training data via the OPAL Service Delivery Platform.

How big is the talent network?

Over 30,000 linguists, reviewers, and subject-matter experts across multiple languages worldwide.

When was the company founded?

Welocalize was founded in 1997 by Smith and Julia Yewell.