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Japanese Localization QA Specialist

Japanese Localization QA
for Foreign SaaS, FinTech
& AI Companies

Turn AI-translated Japanese into natural, accurate, and business-ready content for the Japanese market.

Request a Mini Audit View Before/After Samples
Trusted by teams in
SaaS FinTech Payments AI Tools Developer APIs
QA Report Ready
Japanese Localization QA Report Sample
❌ Before
支払い過程
AI-translated, unnatural
✅ After
決済フロー
Natural FinTech Japanese
❌ Before
53+以上
Redundant expression
✅ After
53以上
Clean, standard Japanese
📝
Tracked Changes
🏷️
Terminology Notes
📸
Screenshots
Quality Score
72
Before QA review — improvement areas identified
🎯 15+ Years Translation Experience
🌏 20+ Years International Experience
💳 FinTech & Payment Specialist
🤖 AI Translation Review Expert
🇯🇵 Japanese Native Speaker
Projects & localization work involving global companies including
Google Google
AWS AWS
Apple Apple
Microsoft Microsoft
John Deere John Deere
Caterpillar Caterpillar
Google Google
AWS AWS
Apple Apple
Microsoft Microsoft
John Deere John Deere
Caterpillar Caterpillar
The Challenge

Your Japanese content may be understandable — but is it natural, consistent, and trustworthy?

AI translation tools are fast and cost-effective. But for Japanese enterprise users, the gap between "understandable" and "natural" is the difference between distrust and conversion. Foreign SaaS and FinTech companies entering Japan consistently underestimate this gap — and it costs them deals.

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  • 🤖
    AI-translated tone that feels robotic Japanese users immediately sense unnatural phrasing and lose confidence in your product.
  • 🔀
    Inconsistent terminology across pages The same feature is called three different things in your UI, help center, and pricing page.
  • ⚠️
    English words left untranslated Mixed-language content signals an incomplete localization to Japanese enterprise buyers.
  • 📢
    CTAs that don't convert in Japanese "Contact Sales" translated literally sounds awkward and loses urgency in Japanese.
  • 📄
    Help documentation that's hard to follow Technical instructions that read clearly in English become confusing in poor Japanese.
What I Do

Three Core Services

Focused, high-quality Japanese localization QA tailored for global technology companies entering or expanding in Japan.

🔍

Japanese Website Localization Audit

A comprehensive QA review of your Japanese website — identifying unnatural phrasing, terminology inconsistencies, missing localizations, and trust-damaging errors that cost you conversions.

Website QA UI Copy CTA Review Trust Signals
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🤖

AI Translation Review / MTPE

Machine Translation Post-Editing (MTPE) for AI-generated Japanese content. I review, correct, and elevate AI-translated text to meet professional Japanese business standards — fast and reliably.

AI Review MTPE FinTech/SaaS API Docs
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📚

Help Center & UI Copy Improvement

Specialized QA for Japanese help documentation, in-app messages, error messages, and onboarding flows. Makes your product feel locally built — not translated.

Help Center UX Writing Onboarding Error Messages
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Before / After

See the Difference Quality QA Makes

Real examples of how AI-translated Japanese is improved to meet natural, business-ready standards for the Japanese market.

FinTech — Payment Terminology High Impact
❌ Original
支払い過程
Literal AI translation
→
✅ Revised
決済フロー
Industry-standard FinTech Japanese
💡 Why It Matters
"決済" is the standard industry term for payments in Japanese FinTech. "支払い過程" reads like a textbook definition and immediately signals a non-native product.
SaaS — Redundant Expression Credibility
❌ Original
53+以上
"+" and "以上" are redundant
→
✅ Revised
53以上
Clean, standard expression
💡 Why It Matters
Redundant expressions immediately signal low-quality localization. Japanese enterprise buyers notice these errors and they erode product credibility.
SaaS — CTA Button Copy Conversion
❌ Original
営業部にご連絡を
Overly formal, awkward phrasing
→
✅ Revised
営業に問い合わせる
Natural B2B SaaS CTA
💡 Why It Matters
CTA buttons must be action-oriented and concise. The original reads like a formal letter; the revision matches how modern B2B SaaS products communicate in Japanese.
Localization — Untranslated UI Label Completeness
❌ Original
What's included
English left in Japanese page
→
✅ Revised
含まれる機能
Fully localized Japanese label
💡 Why It Matters
English strings on Japanese pages signal an incomplete localization. Japanese enterprise buyers expect a fully Japanese experience from a product they can trust.
View Full Sample Library →
What You Receive

Visual, Actionable Deliverables

Every engagement includes clear, structured output so your team can act on findings immediately — no ambiguity, no back-and-forth.

📊
Before / After Table
Side-by-side comparison of original and revised Japanese, with clear explanations for every change made.
📸
Annotated Screenshots
Visual markup of your actual pages highlighting specific issues and suggested improvements in context.
📝
Tracked Changes Document
A Word or Google Doc with all revisions tracked — easy for your localization team to review and accept changes.
🏷️
Terminology Glossary
Recommended Japanese terms for your product — ensuring consistency across website, help center, and UI copy.
⭐
Quality Score Report
A numeric quality score with a detailed breakdown by category — gives you a clear baseline and tracks improvement.
🎯
Next-Step Recommendations
Prioritized action items so you know exactly what to fix first for maximum business impact in the Japanese market.
15+
Years of Japanese–English translation experience
20+
Years living and working internationally
10+
Years in IT, FinTech & payment localization
100%
Japanese native — business English fluent
Why Work With Me

A Localization QA Partner Who Understands Your Industry

  • ✓15+ years of Japanese–English translation with deep specialization in IT, FinTech, payment systems, APIs, and SaaS products
  • ✓Long-term experience at a Bangkok-based Japanese IT and FinTech company — deep understanding of cross-border business communication
  • ✓Hands-on AI translation review experience for global tech companies including enterprise software and developer tool platforms
  • ✓Localization work delivered for projects involving Amazon, Google, Apple, Microsoft, and major enterprise CAT tool environments
  • ✓Japanese native speaker with 20+ years of international experience — understands exactly what foreign companies need to succeed in Japan
  • ✓Communicates clearly in English — zero language barrier between you and your QA specialist
Read Full Profile →
Get Started

Start with a Japanese Website Mini Audit

A low-risk first step to see exactly how your Japanese content reads to native Japanese users — delivered as a full visual QA report with prioritized improvements.

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