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Localization QA Engineer

Apple· Software and Services
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Minato, TokyoFull-timePosted 3d ago

About the role

Role focused on ensuring high-quality localized software and Siri experiences for Apple users worldwide. Involves manual localization testing, automation considerations, and applying agentic AI/LLMs to QA workflows. Collaboration across international QA centers, engineering, translators, and PMs to deliver world-class products to international markets.

Responsibilities

  • Perform manual localization testing on software, print documents, help, hardware items, Siri and Apple Intelligence.
  • Report issues using internal tools, providing pertinent information and suggestions, and follow each issue through to resolution.
  • Analyze international functionality issues.
  • Identify areas of improvement in existing tools and processes, and address them with innovative solutions.
  • Use LLMs and agentic workflows in day-to-day QA. Examples include test case generation, linguistic issue triage, log and defect analysis, and automating repetitive verification.
  • Evaluate the quality of AI-generated and Siri/LLM-driven output in Japanese. This covers naturalness, accuracy, tone, politeness levels (keigo), and cultural appropriateness.
  • Design prompts, evaluation criteria and test scenarios that expose weaknesses in language model behavior across locales.
  • Work cross-functionally with international software QA centers, engineering teams, translators and project managers to deliver world-class products to international markets.

Qualifications

  • Native speaker of Japanese.
  • Deep knowledge of linguistics.
  • Strong analytical, communication and interpersonal skills.
  • Full working proficiency of both written and spoken English.
  • Excellent attention to details.
  • Excellent team player.
  • Self driven, with the flexibility to work on multiple projects with tight deadlines.
  • Ability to thrive under pressure and function effectively in a fast-paced environment.
  • A person who enjoys breaking the software in order to improve it.
  • Experience in software localization.
  • Bachelor’s degree in Computer Science or Electronic Engineering, or equivalent experience.
  • Working knowledge of how LLMs and generative AI behave, including their limitations such as hallucination, inconsistency and language/locale bias.

Skills

Required:Manual localization testingIssue reporting and trackingInterpersonal and cross-functional collaborationLLMs / Agentic AI toolsPrompt engineering
Nice to have:Scripting/automationLocalization testing knowledge
Last updated Oct 23, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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