Hoshun M.

I turn English into Japanese that reads as if it had been written in Japanese from the start, for apps, websites and fintech. Native Japanese, born and raised in Tokyo. Top Rated with 100% Job Success, 5.0 from 98 reviews, 240+ jobs and $90K+ earned on Upwork. I handle 100,000+ word projects and large Word, Excel, PowerPoint, PDF, Google Docs / Sheets / Slides and XLIFF files. Many of my clients keep coming back, and new clients are always welcome. 💬 Free quote, no surprises Send me a short description of the task, your files and any links, and I'll quickly send you a free quote with a fixed price for the whole job and the number of days it will take. You'll know the total cost and the timeline before we start. Rush jobs, weekends and holidays are fine too. 🎯 Why clients choose me • Long-term clients: KOMOJU (since December 2024), JustMarkets (since September 2025), Zact (about 18 months) and more • Peace of mind even if you can't read Japanese: I explain my changes in English or attach an English report • Checked on real screens: I also check for cut-off text and leftover English, and for apps, websites and images I report with red-boxed screenshots • Strong at fixing AI and machine translation: I fix what sounds unnatural or could be misunderstood • Careful financial wording: I avoid phrases that sound like a promise of profit • Polished layout: in PowerPoint and Google Slides I fix shifted or overflowing text, and I deliver clean PDFs • I can read even hard-to-read handwriting • Ready-to-use files: no broken tags, no missing strings • I follow your glossary, TM and existing style for consistent terminology • I check every number, name and link against the source • Natural Japanese with consistent spacing and full-width punctuation • A final QA check before every delivery 🌐 What I do • Translation, localization and proofreading, including post-editing of AI and machine translation and review work for translation agencies – Content: app / UX/UI strings, websites, App Store listings, fintech, FX and payments, marketing, video ad scripts (short drama), legal (Terms of Service, Privacy Policy), medical, IT, cybersecurity and technical documents, presentations (e.g. logistics sales decks, economic reports), surveys, press releases and more • Transcreation • QC and LQA • Live QA on real screens: e.g. a Japanese quiz funnel for a parenting app, checked on a smartphone (both user paths, the offer page and checkout), with an annotated report of red-boxed screenshots and suggested Japanese fixes • Subtitles (SRT): I make SRT files or burn subtitles onto videos • Transcription of Japanese audio and video (mp3, mp4) • Japanese name checks: confirming the correct kanji for romanized names in B2B lead lists, with source links 🛠 Tools and formats • Crowdin, memoQ, Trados, Word, Excel, PowerPoint (PPTX), PDF, Google Docs / Sheets / Slides, XLIFF, JSON, HTML tags, CSS, plain text, Strapi CMS, Jira / Notion / Slack • Developer-friendly: I translate in HTML, JS, Python and Android (Kotlin) files and use GitHub (pull requests) 📂 Selected projects I've translated and proofread 📱 Apps • Smart Meditation (meditation), QuitSure (quit smoking), Toko (English learning), Donna (AI music maker), IRMO (AI art and avatars), TradingKey (trading), Zact (payments), Bodd (automatic fitting), 5 Minute Pilates, Liven (self-discovery; marketing texts and App Store), Ruut (running and mobility), Pushscroll (fitness motivation), POP guide (event and museum guide), BitePal (calorie tracking), a 3D modeling app • Also SaaS, AI, astrology and personality-test apps, and web funnels 🌍 Websites • QuitSure, Smart Meditation, KOMOJU card (payment gateway), INNO SUPPS (supplements), Zact (fintech), TradingKey, JustMarkets, NEBULA (AI personality analysis), MyTraitsProfile (MBTI tests) 📚 Books • "Wonderful Day", "The Traveling Caterpillar", "I Am Thankful" by Shelley Admont, "Under the Stars", "Window" (publisher: KidKiddos Books) • "Knowing Me, Knowing You - Take a Walk with Me" by Elizabeth Murphy, Ed.D. • "If You're Not Monitoring, You're Not Protected" by Dr. James Dean Senger 🎮 Games: Passion Eye, The Last Flame 🎬 YouTube: Quantum Tech HD; Oscar Hunt: Scaling US Retail Operations with Bodd 🎭 Opera: Curlew River by Benjamin Britten 🎙 Voice-over and narration: P3 Dokument (Swedish Broadcasting Corporation) 🏥 Medical: clinical tests, charts, surgery explanations, a cancer study, a discussion guide for physicians ✈️ Transportation: airport announcements for airports in many countries (including Fly Lili), TVM UI, Haneda Airport Parking (Terms and Conditions) 🤖 Japanese data for AI I've worked with 10+ Upwork clients on AI projects, including writing Japanese prompts for LLM training (Scale AI), evaluating AI translation and speech AI, and data annotation. If you're building AI for Japanese users, I can check the Japanese with a native eye. ⭐ "We are amazed by the high quality of your translation and proofreading" (TradingKey)