Hire the Best Localization Testing Professionals

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Rating is 4.8 out of 5.
4.8/5
Based on 129 client reviews
Tarek R.

Cairo, Egypt

$20/hr
5.0
63 jobs

With over 9 years of experience in software testing and business analysis, I help clients deliver high-quality, reliable software that meets both business and user expectations. My background combines hands-on QA expertise, business analysis skills, and internationally recognized certifications. In addition to project work, I am also a software testing instructor. I’ve trained over 300,000 students worldwide through Udemy and private bootcamps, teaching ISTQB certificates preparation, manual testing, Test Automation, and performance testing. This teaching background means I can communicate clearly, explain complex issues simply, and document processes in a structured way — skills that directly benefit my QA work with clients. 🎓 Certifications ✅ Project Management Professional (PMP) ✅ CAPM® – Certified Associate in Project Management ✅ ISTQB Advanced Level Test Manager ✅ ISTQB Advanced Level Test Analyst ✅ ISTQB Artificial Intelligence Tester ✅ ISTQB Test Automation Engineer ✅ ISTQB Performance Testing Specialist ✅ ISTQB Mobile Application Tester ✅ ISTQB Agile Technical Tester ✅ ISTQB Agile Tester ✅ ISTQB Automotive Software Tester ✅ ASTQB IoT & Mobile Tester ✅ ISTQB Foundation Level Certified Tester ✅ BCS Certified Business Analyst Technical Skills: My practical experience encompasses several industry-leading tools and technologies: ✅ Agile Project Management: Jira ✅ Test Case Writing: Zephyr Scale ✅ API Testing: Postman ✅ Performance Testing: Apache JMeter ✅ Test Automation: Selenium WebDriver & TestNG 🛠 Technical Skills • Agile Project Management: Jira, Azure DevOps • Test Design & Management: Zephyr Scale, Qase.io, TestRail, Testlodge • API Testing: Postman • Performance Testing: Apache JMeter • Automation Testing: Selenium WebDriver, TestNG 📱 Device Coverage (Real Physical Devices) • iOS/iPadOS: iPhone 13 Pro Max, iPhone 14 Pro, iPhone X, iPad Mini 6th Gen, iPad Pro 12.9” • Android: Samsung Galaxy A52s 5G, Samsung Galaxy A53 5G, Samsung Galaxy M11, Galaxy A32, Huawei Y9 Prime, Xiaomi Poco X5 Pro, Realme C17, Redmi 10C This allows me to test apps across multiple devices, screen sizes, and OS versions, ensuring accurate results. 🚀 What I Deliver • Comprehensive test strategies and execution for web, mobile, and desktop apps • Bug detection and detailed reporting with reproduction steps, screenshots, and videos • End-to-end QA coverage including functional, regression, performance, and automation • Business analysis support to align testing with project goals and user needs • Clear communication and reporting thanks to my teaching background I am passionate about ensuring not just high-quality software, but also seamless, user-friendly experiences. If you need a reliable QA partner who brings both technical expertise and teaching clarity, let’s connect and make your project a success.

  • Localization Testing
  • Software Testing
  • Test Case Design
  • Web Testing
  • Black Box Testing
  • Mobile App Testing
  • API Testing
  • Functional Testing
  • Jira
  • Usability Testing
  • Mobile App Localization
  • Selenium WebDriver
  • Postman
  • Apache JMeter
  • Zephyr
  • Agile Software Development
  • Bug Reports
Yuka U.

Kanazawa, Japan

$20/hr
5.0
19 jobs

I take pride in thorough, detail-oriented work and never cut corners. My goal is to help clients deliver reliable, polished products by finding issues before their users do. Native Japanese QA Tester specializing in localization, manual testing, mobile app testing, UX feedback, and AI evaluation. I help companies deliver natural Japanese experiences by identifying localization issues, UI/UX problems, functional bugs, and inconsistencies before they reach users. My experience includes localization QA, app testing, website testing, game testing, translation review, AI evaluation, and usability testing. I focus on providing clear bug reports with detailed reproduction steps and practical improvement suggestions. My services include: ✅ Localization QA & Translation Review ✅ Manual QA Testing (Web, iOS & Android) ✅ Mobile App & Website Testing ✅ Game Testing & UX Feedback ✅ Bug Reporting with Screenshots & Reproduction Steps ✅ AI Evaluation & Content Review I pay close attention to natural Japanese wording, consistency, usability, and user experience. Rather than translating word-for-word, I evaluate products from the perspective of native Japanese users to ensure they feel intuitive and culturally appropriate. I have successfully completed projects for startups, AI products, mobile applications, websites, games, and localization teams, consistently receiving excellent feedback for my communication, attention to detail, and actionable reports. I particularly enjoy working on games, mobile apps, SaaS products, AI applications, and localization projects where attention to detail makes a real difference. I'm reliable, responsive, easy to work with, and available for both short-term and long-term projects. If you're looking for a detail-oriented Japanese QA tester who genuinely cares about quality and user experience, I'd be happy to help.

  • Localization Testing
  • Localization
  • Software QA
  • Beta Testing
  • Translation
  • Japanese
  • Proofreading
  • English to Japanese Translation
  • Game Testing
  • Usability Testing
  • QA Testing
  • Mobile App Testing
  • Web Testing
  • Bug Reports
  • Manual Testing
  • Functional Testing
  • UX Research
  • User Experience
Dmytro B.

Lviv, Ukraine

$11/hr
4.2
74 jobs

Hello! Thank you for visiting my profile. I am a Manual QA Engineer with experience in testing web and mobile applications. I help identify bugs, test functionality, and ensure that software works correctly and smoothly for users. My experience includes functional testing, regression testing, API testing, and detailed bug reporting. I work carefully with requirements and always focus on accuracy and clear documentation. I also have experience with data entry, web research, and information processing. I am reliable, detail-oriented, and always focused on delivering high-quality results. I will be happy to help you with your project.

  • Software Testing
  • Software QA
  • SQL
  • Mobile App Testing
  • Regression Testing
  • Web Testing
  • QA Engineering
  • API Testing
  • Jira
  • Functional Testing
  • Manual Testing
  • Usability Testing
  • Ukrainian
  • Russian
  • Bug Reports
  • Content Website
  • PDF
  • Data Entry
  • PDF Conversion
  • Audio Transcription
Maximilian H.

Schlangenbad, Germany

$24/hr
4.9
61 jobs

👋 Hi, I'm Maximilian — Native German Translator & Proofreader, English-to-German Localizer, and AI Safety Evaluator. ✅ Translation, Localization & Proofreading • Context-Aware Translation: Accurate,
 natural-sounding English -> German
translations — tailored to your specific audience. • Digital Content Focus: Language localization of websites, documents, e-commerce stores, apps, and email marketing campaigns, with custom tone adaptation based on your brand guidelines. • Cultural Nuance: I focus on cultural and industry-specific nuances to ensure your text reads naturally to native speakers, strictly avoiding rigid, word-for-word translations. • Global Experience: Extensive background working with global clients, ensuring seamless cross-border communication and reliable project execution. • Quality Assurance: End-to-end proofreading and editing (grammar, tone, formatting) to guarantee a polished final product. ✅ AI Safety, Evaluation & Red Teaming — my technical edge • Adversarial testing: Structured prompt testing to find where AI systems break — before your users do. • Multilingual evaluation: Harmful output detection and policy compliance checks in both German and English — a combination most evaluators can't offer. • Model behavior analysis: Hands-on experience with GPT, Gemini, Claude, Grok, and local models. 🎯 Why clients work with me I combine linguistic precision with technical understanding — useful whether you need a flawless German translation or an AI system evaluated for real-world safety. 100% Job Success, Top Rated, Because quality matters. I treat every project as if my name is on it — because it is. 📩 Send me a message and let's talk about your project. Looking forward to connect!

  • Localization
  • Translation
  • Proofreading
  • Document Translation
  • Website Translation
  • English to German Translation
  • German
  • Language Interpretation
  • Artificial Intelligence
  • Large Language Model
  • Prompt Engineering
  • Generative AI
  • Generative AI Prompt Engineering
  • Artificial Intelligence Ethics
  • Natural Language Processing
  • Content Moderation
  • Cybersecurity Management
  • ChatGPT
  • Quality Assurance
  • Research & Strategy
Hoshun M.

Tokyo, Japan

$40/hr
5.0
233 jobs

I’m Hoshun, a native professional Japanese translator and proofreader who turns large-scale Word (DOCX) / Excel (XLSX)/ PowerPoint (PPTX) / Google Document/Spreadsheet/Slide/XLIFF packages into flawless Japanese—often faster than average. I guarantee exceptional quality at unparalleled speed for tasks that other translators might deem impossible. When quick and meticulous translations are needed, you can rely on me as your steadfast ally. Field: General contents, Fintech, IT, etc. **<My skills>** - Translation, Localization (Word, Excel, PowerPoint, PDF, Google Docs, Google Spreadsheets, Google Slides, XLIFF, json, HTML, CSS, Texts, etc.) - Transcreation - Transcription of Japanese (Audio and video files, mp3, mp4) - Subtitling (SRT) - Proofreading, checking - Voice recording, narration, voice acting <The platform I'm familiar with> Crowdin Qualtrics Phrase **<About subtitling>** I can make SRT files or burn subtitles directly onto a video. - YouTube: Bodd x Disney (Japanese Subtitles) # Examples of my past translation projects **<Apps>** - Smart Meditation: A wellness app offering guided meditation sessions and mindfulness tools - POP guide: A digital guide app providing interactive information for events, museums, or exhibitions - 3D Modeling App: A creative tool for designing and visualizing 3D models - QuitSure: A health app designed to help users quit smoking through behavioral guidance - Toko: English leaning app - Donna: AI song and music maker - IRMO: An AI-powered art and avatar creation app for generating images and visual content - TradingKey: A finance app offering trading tools and resources for investors - Bodd: Automatic fitting app - 5 Minute Pilates: Daily Pilates guide app - Liven: Self-discovery companion app - Ruut: Personalized running & mobility training app - Pushscroll: Fitness motivation app replacing doomscrolling with workouts **<Websites>** - QuitSure: Official website for the smoking cessation app, with resources and user support - Smart Meditation: Website for the meditation app, featuring program details and subscription options - Makkah Digital Coin: A cryptocurrency platform providing digital coin services and blockchain solutions - KOMOJU card: A payment gateway site offering online transaction and e-commerce solutions - INNO SUPPS: A nutrition and supplement brand website showcasing health products - Zact: A fintech website offering digital payment and financial management services - TradingKey: Online platform for trading education, tools, and financial resources - JMarkets: A financial services website focused on market analysis and trading solutions - NEBULA: A personality‑analysis platform providing AI‑driven insights - MyTraitsProfile: An online assessment site offering MBTI‑based personality tests **< Books >** - "Wonderful Day" # Publisher Kidkidos books - "The Traveling Caterpillar" # Publisher: Kidkidos books - "I Am Thankful" By Shelley Admont # Publisher: Kidkidos books - "Under the Stars" # Publisher: Kidkidos 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 Frame **< YouTube >** - Quantum Tech HD - Oscar Hunt: Scaling US Retail Operations with Bodd **< Opera >** - Curlew River by Benjamin Britten **<Voice over, narration>** - P3 Dokument (Swedish Broadcasting Corporation) **<Medical>** - Clinical tests - Charts - Surgery explanations - Cancer study - Discussion Guide for Physicians **<Transportation>** - Fly Lili airport announcement (Air port announcement) - TVM UI Translation - Haneda Airport Parking (Terms and Conditions)

  • Software Localization
  • Localization
  • Subtitles
  • Japanese
  • Transcription Timestamping
  • General Transcription
  • Microsoft Word
  • Translation
  • Japanese to English Translation
  • English to Japanese Translation
  • Website Localization
  • Subtitling
  • Translation & Localization Software
  • Mobile App Localization
  • Marketing Localization
Larissa L.

Campinas, Brazil

$10/hr
5.0
79 jobs

Hello, and thank you for taking the time to review my profile! My name is Larissa Goncalves, and I was born and raised in Brazil. I hold a degree in International Commerce and have been working as an English–Portuguese translator and English specialist since 2019. I’m a C2-proficient English speaker with a strong background in translation, localization, proofreading, evaluation, editing, copywriting, and other linguistic data projects. My work combines linguistic precision with cultural understanding, helping brands and professionals communicate naturally and effectively across languages. Areas of Expertise • General Translation: Nutrition data entry, e-commerce, educational materials, articles, and retail • Medical Translation: Medical blogs, reports, test results, and patient evaluations • Technical Translation: Camera manuals, automotive content, machine manuals, assembly instructions, and food and beverage content • Legal Translation: Websites, reports, testimony, call transcriptions, documents, and government correspondence • Business Translation: Documents, files, payroll, and finance • Blog & Creative Content: General topics, medical insights, culinary arts, entertainment news, and fashion • Localization & Copywriting: Tone and terminology adapted for Brazilian and international audiences; SEO-friendly content for marketing and social media • Linguistic Data Tasks: Text annotation, transcription, AI data labeling, and e-commerce content organization • File Formatting: Ensuring translated or localized files are polished, consistent, and ready for publication • Subtitling & Captioning: Translation and synchronization of subtitles for videos, interviews, and online content Why Work With Me • 6+ years of professional translation and linguistic experience • 100% Job Success Score • Accurate translations with consistent client satisfaction • Multiple revisions and open communication until you’re fully satisfied • Professional, detail-oriented, and always respectful of deadlines Rates (All Negotiable) Translation: $0.015–$0.020 per word or $10-$25 per hour Proofreading / Localization: $0.010–$0.015 per word or $10-$18 per hour Data Entry & Other Tasks: $10–$15 per hour I’m always happy to adjust my rates depending on project scope, volume, or long-term collaboration. If your project includes additional tasks like data entry, formatting, or e-commerce content organization, I can easily handle those as part of the workflow. Thank you once again for taking the time to read my profile, I truly appreciate it and look forward to the opportunity to collaborate with you soon! Best regards, Larissa L. Goncalves

  • Translation
  • English
  • Proofreading
  • Portuguese
  • Portuguese to English Translation
  • English to Portuguese Translation
  • Brazilian Portuguese Dialect
  • Data Entry
  • Brazilian Portuguese to English Translation
  • Canva
  • Interior Design
  • Wix

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