Hire the Best Portuguese Proofreading Professionals

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Silvia D.

Augsburg, Germany

$30/hr
4.8
20 jobs

Portuguese mother tongue; fluent in English and Spanish, German B2. Bachelor’s degree in journalism at Faculdade Cásper Líbero (São Paulo, Brazil), with vast experience in language projects and content production for international companies such as Hilton Hotels & Resorts, Emirates Airline, Airbus, American Airlines, Google and Uber. Portuguese and English QA lead at Uber Technologies’ training and evaluating AI prompts and responses to refine large language models (LLMs), their accuracy and cultural relevance. Additional AI Projects Tested an AI receptionist using different scenarios, such as answering FAQs, taking messages and understanding accents – Portuguese. The goal was to make the AI system to sound natural, understand correctly, and work well across different languages and voices. Collaborated with groups to facilitate and contribute to natural dialogues in Portuguese at Outlier.ai. This project enhanced AI voice recognition systems and sharpened my skills in error detection and nuanced evaluation. Business Languages Augsburg - Augsburg, Germany Translations English/Portuguese/English Simultaneous translation Proofreading and localizing of different materials, such as apps, websites and documents Planning, advertising, public relations Content creation for social media (English, Portuguese, Spanish and German) Microsoft Copilot & Canva proficiency

  • Portuguese
  • Brazilian Portuguese Dialect
  • Content Writing
  • Social Media Content
  • Copywriting
  • Blog Writing
  • English
  • Content Creation
  • Editing & Proofreading
  • Content Editing
  • English to Brazilian Portuguese Translation
  • Social Media Content Creation
  • Business Writing
Larissa L.

Campinas, Brazil

$10/hr
5.0
71 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

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

Fortaleza, Brazil

$25/hr
5.0
194 jobs

If you need natural, culturally relevant translations that resonate with Brazilian audiences, I can help. I’m a senior English → Brazilian Portuguese translator with 10 years of experience and 200+ completed projects. I go beyond literal translation to ensure your message is accurate, engaging, and effective. You can expect attention to detail, clear communication, and on-time delivery. Areas of expertise: - English → Brazilian Portuguese translation and localization - Proofreading and editing for clarity, fluency, and consistency - Post-editing of AI and machine translation (MTPE) - Transcreation for marketing and brand messaging - Quality assurance and terminology management Common projects: - Website, app, and software localization - Marketing and promotional content - Business and corporate communications - Educational content, courses, and training materials - Articles, blogs, and digital media Credentials: - Native Brazilian Portuguese speaker - Upwork Top Rated Plus | 100% Job Success - Cambridge FCE Certificate - Duolingo English Proficiency Certificate - Hubspot Inbound Certification

  • Proofreading
  • Portuguese
  • Brazilian Portuguese Dialect
  • English
  • English to Portuguese Translation
  • Portuguese to English Translation
  • English to Brazilian Portuguese Translation
  • Brazilian Portuguese to English Translation
  • Translation
  • Localization
  • Editing & Proofreading
  • AI Content Editing
  • Transcreation
  • Software Localization
  • Website Localization
  • Marketing Localization
  • SEO Localization
  • Legal Translation
  • Technical Translation
  • Medical Translation
Sira M.

Marseille, France

$25/hr
4.9
328 jobs

Top Rated Plus here, top 3% of the best freelancers on UpWork ! Native French speaker and fluent in English, I hold a bachelor degree in applied foreign languages (specializing in English, German and Portuguese). With +7 years of experience, a high degree of professionalism, strong attention to details and good communication skills, I am also very organized and I always make sure to meet your deadlines. My priority is to deliver texts that sound totally natural yet accurate. If you are looking for a reliable, professional, meticulous and fast-working freelancer, I'm the person you need !

  • German
  • French
  • General Transcription
  • Subtitles
  • French to English Translation
  • German to English Translation
  • Editing & Proofreading
  • German to French Translation
  • French English Accent
  • English to French Translation
  • Portuguese to French Translation
  • Voice-Over
  • Writing
  • Translation
  • Technical Translation
Maria R.

Coimbra, Portugal

$20/hr
5.0
23 jobs

Translating, proofreading and transcribing are all areas in which I'm an expert. If you need a freelancer who is always available to work and happy to help you you're in the right place! Traduzir, editar/corrigir e transcrever são as minhas áreas de especialização. Se precisas de um freelancer que está sempre disponível para trabalhar e contente por ajudar, estás no sítio certo! ABOUT ME Hello! I'm Maria. I’m a native European Portuguese speaker and I also speak English fluently. I'm currently studying Línguas Modernas at the University of Coimbra (Faculty of Letters/Faculty of Arts and Humanities), my field being Portuguese and English studies. In addition to this, I work as a freelancer and am a Content Creator on YouTube and Instagram. Olá! Sou a Maria. Sou natural de Portugal e falo Inglês fluente. Estou neste momento a estudar Línguas Modernas na Universidade de Coimbra, o meu ramo sendo estudos Portugueses e Ingleses. Adicionando a esta informação, trabalho como freelancer e sou criadora de conteúdo no YouTube e no Instagram.

  • Proofreading
  • Portuguese
  • English
  • Translation
  • Audio Transcription
  • US English Dialect
  • Microsoft Word
  • Data Entry
  • Social Media Management
  • SEO Writing
  • Portuguese to English Translation
  • Error Detection
Anna Júlia S.

Belo Horizonte, Brazil

$29/hr
5.0
146 jobs

Top Rated Brazilian Portuguese professional with 10+ years of experience in localization, translation, editing, proofreading, and SEO-focused content. Since joining Upwork in 2022, I’ve completed 130+ projects while maintaining a 100% Job Success score and long-term collaborations with international clients. My work combines linguistic accuracy, natural Brazilian Portuguese, cultural adaptation, attention to detail, and clear communication throughout every stage of the project. I specialize in: ✔ English to PT-BR localization ✔ Editorial review and refinement of AI-assisted content ✔ Proofreading and content editing ✔ SEO-focused content adaptation ✔ Website, app, and game localization ✔ Marketing and digital content writing ✔ iGaming content writing, editing, and localization I focus on delivering natural, culturally relevant Brazilian Portuguese while preserving the original tone, clarity, and user experience. Clients value me for being reliable, detail-oriented, responsive, and easy to work with. Many of them return for ongoing projects and long-term collaboration. If you're looking for high-quality PT-BR localization and editorial support, feel free to send me a message :)

  • Proofreading
  • Portuguese
  • Brazilian Portuguese Dialect
  • English to Brazilian Portuguese Translation
  • Copywriting
  • Translation
  • English to Portuguese Translation
  • Content Editing
  • Content Writing
  • Creative Writing
  • Blog Writing
  • Software Testing
  • Gambling
  • Novel
  • Romance

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