Hire the Best Software Localization Freelancers
in Brazil

I have been successfully working as a Professional Translator over the past 10+ years with more than 30,000 translated pages, 200 hours of subtitled videos, and 1,000+ concluded and client-reviewed projects on Upwork and other freelancing platforms, such as Workana and Freelancer.com. Among the clients I have had the opportunity to work with, I have provided my services to many companies of various industries and sizes — from Fortune 500 Companies and International Translation Agencies to Local Small Businesses and Startups. My translation expertise lies in the following fields: IT (Network, ITIL, Information Security, Business Continuity, etc.), Health (Nutrition, Diet, Drug Test, Technical Articles, etc.) and Marketing (Inbound & Outbound Marketing, Affiliate Marketing, Metrics, etc.). About me: I am from Brazil and I have a Bachelor's degree in Economics. As a Professional Translator, I have been working since 2015 and studying English for more than 15 years. I have had the opportunity to live and work abroad, in countries such as Chile, Japan, and South Korea.

Hello! Your Portuguese translation project deserves a professional, first-class result: ✔️ 9+ years of experience as a Portuguese translator ✔️ 100% Job Success Score ✔️ 800+ 5-star projects (including Fortune 500 companies) ✔️ Top Rated Plus freelancer 🔹 Language Pairs: English ←→ Portuguese (PTBR) Spanish → Portuguese (PTBR) Spanish → English ✅ Translation, Localization, Post-Editing, and Proofreading Services: As a seasoned Portuguese translator, I offer top-notch Portuguese translation and Brazilian Portuguese services. My expertise extends to websites, apps, games, software, social media copy, blog posts, articles, courses; e-books, books, scientific papers, e-mails, agreements, presentations, user manuals, and more. Whether you need Portuguese proofreading or post-editing, I've got you covered. ✅ Scanned documents / images ✅ Transcription / subtitling services: available in Portuguese only 🔹 Areas of Expertise: My proficiency as a Portuguese translator covers a wide range of fields, including Tech, Software Localization, Finance, Trading, Forex, Cryptocurrencies, Real Estate, Cybersecurity, IT, Gaming, Energy, Engineering, and Design. Additionally, I excel in Portuguese proofreading and post-editing for industries like Accounting, Management, Legal, Psychology, Health, Nutrition, University Research, Education; Agronomy, Winemaking, Tourism, News, Photography, and Sustainability. 🔔 Feel free to contact me to discuss your Portuguese translation project needs. Let's make it a success with professional services.

👋😁 Hi and Welcome! Brazilian Native | Top-Rated Plus Freelancer ⭐ 🏆 100% Job Success Rate 🌍 Experience with Multinationals (Honda, Bosch) 🎓 Bachelor’s Degree in Business Administration 💰 Over $50K Earned on Upwork 🎙️ Looking for professional, natural-sounding AI-dubbed videos? One of my most successful services here on Upwork is precisely that. If you need your content to sound professional, transparent, and engaging, let's connect! 💬 What My Clients Say: • ✅ “Very professional. Great communicator. Delivered high-quality work on time.” • ✅ “Fast, efficient, and easy to work with. It was a pleasure working with Rodolfo.” • ✅ “He replies quickly and delivers excellent results.” These are just a few examples of my commitment to quality and client satisfaction. 🙌 🚀 How I Can Help You: 🎮 iGaming Content: Translation and localization of websites, ads, and marketing materials. 📱 Mobile Games & Apps: Translation and proofreading focused on marketing and technical accuracy. 📊 Marketing Content: Blogs, social media posts, and promotional materials localized for impact. 📧 Emails: Clear, professional email translations and revisions. 📚 Educational Content: Accurate translation of learning materials and academic texts. 🤖 AI Translation Post-Editing: Making machine translations sound truly human. 🎯 Brazilian Market Localization: Content tailored to resonate with Brazilian audiences. 🎙️ Audio Transcriptions: Accurate transcription of audio content. 🎞️ Subtitle Review: Ensuring subtitles are perfectly synchronized and natural (PT-BR ↔ EN). 🔍 Video/Audio Quality Check: Reviewing AI-generated videos and audio for professional quality. 👉 Let’s create content that sounds natural, professional, and engaging together! Thanks, Rodolfo Reami

Brazilian Portuguese Localization Specialist, Linguistic QA Reviewer, Proofreader, and AI Content Evaluator with a Bachelor's Degree in International Relations, postgraduate studies in Data Science and Artificial Intelligence, and over 10 years of experience working with languages, communication, and education. I help companies adapt content for the Brazilian market through localization, proofreading, linguistic quality assurance (LQA), AI content review, and translation services. My goal is not simply to translate content, but to ensure it sounds natural, culturally appropriate, accurate, and engaging for Brazilian Portuguese speakers. I focus on quality, consistency, user experience, and attention to detail. Services: ✔ Brazilian Portuguese Localization ✔ Proofreading & Editing ✔ Linguistic Quality Assurance (LQA) ✔ AI Content Review & Evaluation ✔ AI Post-Editing ✔ English to Brazilian Portuguese Translation ✔ App & Software Localization ✔ Website Localization ✔ Game Localization ✔ Educational Content Review ✔ Product Description Review ✔ Terminology and Consistency Validation Areas of Experience: • Language Learning Platforms • Mobile Apps • Video Games • Cryptocurrency & Blockchain • AI-Generated Content • Educational Materials • Product Descriptions • Technical and Business Content Why work with me? • Native Brazilian Portuguese speaker • Bachelor's Degree in International Relations • Postgraduate studies in Data Science and Artificial Intelligence • More than 10 years of experience as an English teacher and language professional • Strong understanding of localization, language quality, and AI-generated content evaluation • Detail-oriented, reliable, and committed to delivering high-quality work on time Client Feedback: ⭐⭐⭐⭐⭐ "Jhonatan did an excellent job proofreading our homepage translation. Thoughtful edits, all natural. Smooth and professional communication throughout the project. I would gladly work with Jhonatan again." ⭐⭐⭐⭐⭐ "I had him go over and fix language errors for a language learning game and he did incredible work. He made hundreds of improvements. Very nice work! I will hire this freelancer again." ⭐⭐⭐⭐⭐ "Excellent communication, good support and technical knowledge. Project completed timely." ⭐⭐⭐⭐⭐ "Jhonatan did everything I asked of him. I was happy with his work and he delivered on time." If you're looking for a reliable Brazilian Portuguese language professional to localize, review, improve, or evaluate content, I would be happy to help. Let's discuss your project.

Most AI translations sound correct in Portuguese. That’s exactly why they fail. I help international companies localize SaaS products, apps, websites and AI-generated content for the Brazilian market with language that feels natural, trustworthy and conversion-oriented. My work combines Brazilian Portuguese localization, AI translation review, cultural adaptation and messaging refinement to help companies avoid the common mistakes that reduce engagement, retention and user trust in Brazil. Over the past years, I’ve worked with international companies across SaaS, technology, education, apps and digital platforms, supporting both large-scale localization projects and ongoing product updates. I’m a native Brazilian Portuguese specialist with a background in language, localization and Brazilian consumer behavior. Areas I support most often: ✔ Brazilian Portuguese localization for SaaS and apps ✔ AI-generated translation review and refinement ✔ Localization QA and terminology consistency ✔ Website and product localization ✔ UX language adaptation for Brazilian users ✔ App Store and Google Play localization ✔ Brazilian market language adaptation ✔ Ongoing localization support for growing platforms What clients usually value in my work: • Natural Brazilian Portuguese that does not sound translated • Consistency across products and updates • Fast communication and reliable delivery • Ability to identify cultural and UX language issues early • Long-term support for evolving products My workflow is structured for scalability and consistency, which allows me to support both ongoing projects and high-volume localization demands without compromising quality. If you are looking for Brazilian Portuguese localization that goes beyond literal translation and actually works for Brazilian users, feel free to reach out.

Trusted by Side Global (6+ yrs), IGN, Inkitt – Delivered flawless EN↔PT-BR for 100+ novels, AAA games & apps like TikTok, Duolingo, Uber. 100% Job Success | 5.0★ | Ready for your deadline! Why Hire Me? Games AAA/Mobile: Localized UI, scripts, marketing for World of Warcraft, Resident Evil Requiem, PUBG, LEGO, Skyformer. LQA for dubbing/subtitles + Functional QA (Jira bugs). Apps & Media: TikTok, Duolingo, UFC subs, 100 novels and vertical dramas (fantasy/erotica), movies and tv shows/soap operas. Cultural adaptation + terminology mastery. Tools Master: MemoQ, Phrase, Crowdin, Lokalise, Matecat | Jira, Asana, Slack, Discord. Native PT-BR (C2 EN) | Style guides, glossaries, lip-sync precision. Fast turnaround. Plus: Voice Actor, VO actor, video game testing, App perfomance testing, UX testing, Payment method testing.