Latest AI JobsBrowse Jobs

Welocalize, operating through its Welo Data brand, serves as a multilingual data and evaluation partner for foundation labs and enterprises that deploy generative AI systems globally. The company delivers human judgment, data infrastructure, and evaluation systems to ensure AI models perform reliably across languages, cultures, and real-world contexts. Its offerings support various AI applications, including large language models, voice and speech systems, agentic workflows, robotics, and embodied AI. A core component of its operations is NIMO, a proprietary identity and fraud-prevention framework designed to maintain data integrity and workforce trust.

Open AI jobs
255
Remote roles
175
Locations
82
Salary listed
74 jobs
Latest post
17d ago

About Welocalize

Welocalize, operating through its Welo Data brand, serves as a multilingual data and evaluation partner for foundation labs and enterprises that deploy generative AI systems globally. The company delivers human judgment, data infrastructure, and evaluation systems to ensure AI models perform reliably across languages, cultures, and real-world contexts. Its offerings support various AI applications, including large language models, voice and speech systems, agentic workflows, robotics, and embodied AI. A core component of its operations is NIMO, a proprietary identity and fraud-prevention framework designed to maintain data integrity and workforce trust.

The company serves enterprise clients and foundation labs through a global network of over 500,000 vetted experts spanning more than 300 languages and locales. Welocalize engages this workforce to perform tasks such as multilingual data creation, RLHF and preference data collection, model evaluation, and safety red-teaming. Programs are scoped, staffed, and monitored directly by the company's team with dedicated points of contact.

The open roles indicate that Welocalize is building teams across multiple operational and linguistic functions, ranging from onsite production leadership to remote localization and linguistic evaluation. Open positions include senior management and operational roles for robotics labs located in Santa Clara, California, as well as data labeling associates based in various U.S. locations such as California, New York, and Texas. Additionally, the company recruits localization specialists and linguistic evaluators for remote arrangements worldwide and across international hubs including Barcelona, Spain, and Tokyo, Japan, spanning varying levels of seniority from hourly associates to senior production managers.

Open AI jobs at Welocalize

Welocalize logo
Associate Manager, Robotics Lab
Welocalize
17d ago

Apply for the Associate Manager, Robotics Lab role at Welocalize in Santa Clara, CA. Manage shift operations, safety, and a team of 140+ hourly employees.

Santa Clara, CATechnologyFull TimeSenior · 5+ yrsOpen · checked 7d ago
$71-$81View Job
Welocalize logo
Senior Production Manager, Robotics Lab Operations
Welocalize
17d ago

Apply for Senior Production Manager, Robotics Lab Operations at Welocalize in Santa Clara. Manage lab operations and hourly workforce. Pay: $90-$110/hr.

Santa Clara, CATechnologyFull TimeSenior · 7+ yrsOpen · checked 7d ago
SQL
$90-$110View Job
Welocalize logo
Project Perseus | Data Labeling Associate - Tamil Speakers (Human-in-the-Loop AI)
Welocalize
17d ago

Join Welocalize as a full-time Data Labeling Associate for Project Perseus in California. Earn $34/hour on-site. Apply today!

CaliforniaData AnnotationFull-timeOpen · checked 7d ago
NLPMachine Learning
Salary not listedView Job
Welocalize logo
Project Perseus | Data Labeling Associate - Marathi Speakers (Human-in-the-Loop AI)
Welocalize
17d ago

Join Welocalize as a full-time Data Labeling Associate for Project Perseus in California. Earn $34/hour working onsite with AI systems.

CaliforniaData AnnotationFull-timeOpen · checked 7d ago
NLPMachine Learning
Salary not listedView Job
Welocalize logo
Polish Sports Localization Specialist (Football)
Welocalize
20d ago

Apply for the remote Polish Sports Localization Specialist role at Welocalize. Review and adapt football content globally.

Remote, WorldwideGlobal Freelance & Agency OpportunitiesRemoteMid · 2+ yrsRemoteOpen · checked 7d ago
NLPMachine Learning
Salary not listedView Job
Welocalize logo
Italian Sports Localization Specialist (Football)
Welocalize
20d ago

Join Welocalize as a remote Sports Localization Specialist focusing on football. Translate and adapt content for Japanese audiences. Apply online.

Remote, WorldwideGlobal Freelance & Agency OpportunitiesRemoteMid · 2+ yrsRemoteOpen · checked 7d ago
NLPMachine Learning
Salary not listedView Job
Welocalize logo
Portuguese (Europe) Sports Localization Specialist (Football)
Welocalize
20d ago

Apply for the remote Portuguese Sports Localization Specialist role at Welocalize. Review and adapt football content from English to Japanese.

Remote, WorldwideGlobal Freelance & Agency OpportunitiesRemoteMid · 2+ yrsRemoteOpen · checked 7d ago
NLPMachine Learning
Salary not listedView Job
Welocalize logo
Marathi Linguistic Evaluator & Functional Tester
Welocalize
24d ago

Join Enterprise AI as a Marathi Linguistic Evaluator & Functional Tester in Tokyo. Test pre-release AI models and devices on-site.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Kannada Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data as a Kannada Linguistic Evaluator in Barcelona. Test pre-release AI models and devices. Apply on their careers page.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Telugu Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human in Tokyo as a Telugu Linguistic Evaluator & Functional Tester. Evaluate pre-release AI models on-site.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Tamil Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as a Tamil Linguistic Evaluator & Functional Tester. Test pre-release AI models and smart devices in a hands-on role.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Traditional Chinese Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as a Traditional Chinese Linguistic Evaluator & Functional Tester. Test pre-release AI models on real devices.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Mandarin Chinese Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as a Mandarin Chinese Linguistic Evaluator & Functional Tester. Test and review pre-release AI models on-site.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Malay Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data as a Malay Linguistic Evaluator in Tokyo. Test pre-release AI models and smart devices in a hands-on on-site role.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Thai Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as a Thai Linguistic Evaluator. Test pre-release AI models and smart devices on-site. Apply on the official careers page.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Tagalog Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as a Tagalog Linguistic Evaluator and Functional Tester. Test pre-release AI models and smart devices.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Swahili Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Swahili Linguistic Evaluator & Functional Tester in Tokyo. Test pre-release AI models on-site.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Vietnamese Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human in Tokyo as a Vietnamese Linguistic Evaluator & Functional Tester. Evaluate pre-release AI models on-site.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Indonesian Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as an Indonesian Linguistic Evaluator & Functional Tester. Test pre-release AI models and smart devices.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Korean Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Tokyo as a Korean Linguistic Evaluator & Functional Tester. Test and review pre-release AI models on real devices.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Japanese Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Japanese Linguistic Evaluator & Functional Tester in Tokyo. Review pre-release AI models on-site.

Tokyo, JapanProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Urdu (Romanized) Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as an Urdu Linguistic Evaluator in Barcelona. Test pre-release AI models on smartphones and smart glasses.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Bengali Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human in Barcelona as a Bengali Linguistic Evaluator. Test pre-release AI models on smartphones and smart glasses.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Hindi (Romanized) Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human in Barcelona as a Hindi Romanized Linguistic Evaluator to test pre-release AI models on smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Urdu Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as an Urdu Linguistic Evaluator in Barcelona. Test pre-release AI models and smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Swedish Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Swedish Linguistic Evaluator in Cluj-Napoca. Test pre-release AI models and smart devices.

Cluj-Napoca, RomaniaProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Finnish Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Finnish Linguistic Evaluator in Barcelona. Test pre-release AI models and smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Hindi Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data as a Hindi Linguistic Evaluator in Barcelona. Test pre-release AI models and smart devices on-site.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Hebrew Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Barcelona as a Hebrew Linguistic Evaluator & Functional Tester. Test pre-release AI models on smartphones and smart glasses.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Polish Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Barcelona as a Polish Linguistic Evaluator. Test pre-release AI models and consumer technology on-site. Apply today!

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Persian Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Persian Linguistic Evaluator in Barcelona. Test pre-release AI models and smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Portuguese Brazilian Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human in Barcelona as a Portuguese Brazilian Linguistic Evaluator & Functional Tester on-site.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Arabic Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as an Arabic Linguistic Evaluator in Barcelona. Test pre-release AI models and smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Romanian Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Romanian Linguistic Evaluator in Cluj-Napoca. Test pre-release AI models and smart devices.

Cluj-Napoca, RomaniaProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Dutch Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Barcelona as a Dutch Linguistic Evaluator & Functional Tester. Test pre-release AI models and smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Russian Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Welocalize in Barcelona, Spain as a Russian Linguistic Evaluator & Functional Tester. Test pre-release AI models on smartphones and smart glasses.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Turkish Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human as a Turkish Linguistic Evaluator in Barcelona. Test pre-release AI models and smart devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
Italian Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data & Human in Barcelona as an Italian Linguistic Evaluator & Functional Tester. Test pre-release AI models on-site.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
French (France) Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data as a French Linguistic Evaluator in Barcelona. Test pre-release AI models and consumer technology devices.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
Welocalize logo
German Linguistic Evaluator & Functional Tester
Welocalize
25d ago

Join Enterprise AI Training Data as a German Linguistic Evaluator in Barcelona. Test pre-release AI models and devices in a full or part-time role.

Barcelona, SpainProductionFull Time/Part TimeOpen · checked 7d ago
Salary not listedView Job
View all 255 jobs at Welocalize