Thai Linguistic Evaluator & Functional Tester (AI)

Location: On-site in Tokyo, Japan; Barcelona, Spain; or Cluj-Napoca, Romania

Company

Welocalize supports global brands with language services, including linguistic evaluation and technology testing.

What you will do

• Evaluate pre-release AI model responses in Thai for accuracy, naturalness, appropriateness, quality, and factual consistency.
• Compare the Thai product experience with the English version, checking feature parity and complete user journeys on client-supplied devices.
• Test non-Latin script, diacritics, mixed-language input, and interface rendering across smartphone and smart-glass experiences.
• Identify localization defects involving text, dates, numbers, currencies, units, and untranslated strings.
• Document reproducible issues with steps, device and operating system, locale, build ID, and evidence, then retest fixes.
• Provide native-level feedback on navigation, usability, and Thai linguistic nuance while supporting other linguistic projects as needed.

Requirements

• Native-level or fully bilingual Thai, written and spoken, with current everyday and technical language knowledge.
• Confidence using smartphones and laptops, including both iOS and Android devices.
• Strong attention to detail and objective judgment when assessing quality.
• Ability to work independently, follow detailed test scripts and guidelines, and explain issues clearly in English.
• Ability to work on-site in a private, secure office area; remote or work-from-home work is not available.
• Previous software or app testing, localization QA, or linguistic evaluation experience is advantageous but not required.

Culture & Benefits

• Hands-on involvement in a confidential, large-scale AI and consumer technology programme.
• Opportunity to evaluate pre-release technology before public launch.
• Collaboration with an experienced linguist and tester.
• Work in a secure office environment focused on quality and precision.
• Full-time or part-time employment options are available.