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Looking for a reliable Brazilian Portuguese localization expert? I help global companies translate, localize, review and optimize content for the Brazilian market with native-quality results. Hi! I’m Alexander, a Brazilian Portuguese localization specialist with more than 25 years of experience helping international companies adapt content for Brazil. I support global businesses with accurate, natural and culturally appropriate Brazilian Portuguese localization across multiple industries, including SaaS, AI, e-commerce, education and digital products. My services include: ✔ Brazilian Portuguese Translation ✔ Website Localization ✔ Software & App Localization ✔ MTPE (Machine Translation Post-Editing) ✔ AI Content Evaluation ✔ AI Response Rating ✔ Proofreading & Editing ✔ Localization QA ✔ SEO Localization ✔ UX & UI Text Review ✔ Marketing Content Adaptation ✔ Terminology Management I focus on delivering localization that sounds natural to Brazilian users while maintaining consistency, clarity and brand voice. Clients appreciate my: • Fast communication • Reliable delivery • Attention to detail • Quality assurance • Human review • Long-term collaboration Whether you need one project or ongoing localization support, I’d be happy to help. Let’s discuss your project.

🥖 Native French Speaker (France) ✔ English-French Translation ✔ French Proofreading - MTPE 🏆 4+ years as Top Rated Plus Freelancer ➡️ 150+ Successful Projects – Please take a look at my personalized profiles based on the service you are looking for (Translation or Proofreading) for more details about my experience, skills, and rates.

I am Brazilian, 31 years old, top rated frealancer! My native language is Portuguese and I am fluent in English. I decided to become a freelancer given my excellent level in English and passion for languages. It has been 8 years of great personal achievements as well as many successful projects delivered to my clients. My skills include: copyediting, proofreading, financial/legal translation, customer service and general researches involving English and Portuguese. I am a reliable and organized person, and I will always do my best to achieve success. Some of my reviews: "Clisman is a great translator. He made sure he understood the exact meaning of our texts and was very reliable. Communication was always nice and easy. We look forward to continue working with him" "Clisman was open, honest and prompt with his work. will continue to hire him for my transcription and translation needs." "Great experience! He was flexible as my task was a bit out of the ordinary and very thorough." Sou brasileiro, 31 anos de idade. Minha língua materna é o português e sou fluente na língua inglesa. Sou formado em Ciências Contábeis e tenho experiência com projetos em inglês. Decidi atuar como freelancer pois acredito que tenho capacidade e conhecimento necessários para trabalhos com tradução. Sou uma pessoa confiável e organizada, e com certeza você pode confiar em mim para seus negócios.

👋 Introduction Hi, I’m a Senior Full-Stack Developer with 8+ years of experience building modern, scalable web applications for startups and growing businesses. I specialize in SaaS platforms, production-ready MVPs, dashboards, and AI-enabled web apps using React, Next.js, TypeScript, and Supabase. My strength lies in combining polished, UX-driven frontend development with a pragmatic, scalable backend, helping founders ship faster without accumulating technical debt. I don’t just write code - I help turn ideas into real, usable products that are ready for users, revenue, and growth. 📌 Current Status ✅ Available for freelance & long-term contracts 🌍 Open to working across all time zones ⏱️ 40+ hours/week if required 🧠 Professional Summary I help startups and product teams design, build, and scale frontend-heavy full-stack applications. My focus is on clean architecture, performance, and maintainability, ensuring the product remains easy to extend as the business grows. Whether you need: - A startup MVP from scratch - A SaaS dashboard with authentication & subscriptions - A Next.js frontend connected to Supabase or APIs - Or AI integrations using OpenAI I can take ownership from concept to production. 🚀 What I Build - SaaS platforms & subscription-based products - Startup MVPs & prototypes (production-ready) - Dashboards & admin panels - AI-powered web applications - Internal tools & data-driven apps 🧩 What I Handle - Frontend architecture & UI systems - Backend APIs, databases & authentication - Payments & subscription billing - Deployment, CI/CD & monitoring - Scaling & long-term maintainability 🛠️ Tech Stack & Skill Set 𝙁𝙧𝙤𝙣𝙩𝙚𝙣𝙙 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 - React.js - Next.js (App Router, Server Actions, SSR, SSG) - TypeScript & JavaScript (ES6+) - Tailwind CSS, shadcn/ui, Material UI (MUI) - Responsive & UX-focused UI development - State management (Redux Toolkit, Zustand) - Forms & validation (React Hook Form, Zod) - Data visualization (Chart.js, Recharts, D3.js) 𝑩𝒂𝒄𝒌𝒆𝒏𝒅 & 𝑭𝒖𝒍𝒍-𝑺𝒕𝒂𝒄𝒌 - Node.js, Python - Express.js & NestJS - Supabase (PostgreSQL, Auth, RLS, Realtime) - Firebase - REST & GraphQL APIs - Authentication & role-based access - Database design & optimization (PostgreSQL, MySQL, MongoDB) 𝑪𝑴𝑺 & 𝑬-𝑪𝒐𝒎𝒎𝒆𝒓𝒄𝒆 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒎𝒆𝒏𝒕 - WordPress Developer, WooCommerce - Shopify Developer, Shopify Admin API - PHP, Laravel - Custom E-commerce Solutions 𝑵𝒐-𝑪𝒐𝒅𝒆 / 𝑳𝒐𝒘-𝑪𝒐𝒅𝒆 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒎𝒆𝒏𝒕 - Bubble Developer - Adalo, Glide, Thunkable - AppSheet, Softr, Bravo Studio, AppMySite 𝑪𝒍𝒐𝒖𝒅 & 𝑫𝒆𝒗𝑶𝒑𝒔 - AWS, Docker, NGINX - CI/CD (GitHub Actions, GitLab CI) - Firebase, Supabase, Vercel, DigitalOcean - Linux Server Administration - Database Scaling & Performance Optimization 𝑨𝑰 & 𝑨𝒖𝒕𝒐𝒎𝒂𝒕𝒊𝒐𝒏 - AI Integration, LLMs - OpenAI API, Claude - AI Agents, RAG Pipelines - AI Automation Workflows - Document Processing & Voice AI 𝑷𝒂𝒚𝒎𝒆𝒏𝒕𝒔 & 𝑻𝒉𝒊𝒓𝒅-𝑷𝒂𝒓𝒕𝒚 𝑰𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝒏𝒔 - Stripe Integration, Paystack, Flutterwave - Twilio, LiveKit, VoIP Systems - Mapbox Integration - LinkedIn Ads API 𝑺𝒂𝒂𝑺 & 𝑰𝒏𝒕𝒆𝒈𝒓𝒂𝒕𝒊𝒐𝒏𝒔 - Stripe (payments, subscriptions, billing) - OpenAI / LLM API integrations - Third-party API integrations - Webhooks & background jobs 𝑫𝒆𝒗𝑶𝒑𝒔 & 𝑻𝒐𝒐𝒍𝒊𝒏𝒈 - Vercel, AWS - Docker - CI/CD (GitHub Actions) - Monitoring & error tracking (Sentry, PostHog) - Git (GitHub, GitLab) 𝑷𝒓𝒐𝒅𝒖𝒄𝒕𝒊𝒗𝒊𝒕𝒚 & 𝑨𝑰 𝑻𝒐𝒐𝒍𝒔 - Cursor - GitHub Copilot - Claude Code - Replit / Lovable - Prompt Engineering & AI-assisted development 🧪 Experience Highlights - Built and shipped multiple SaaS platforms used by real customers - Delivered startup MVPs from idea to production in weeks - Designed secure Supabase backends with RLS and scalable schemas - Implemented subscription billing systems with Stripe - Created high-performance dashboards and admin panels - Integrated AI features to automate workflows and user interactions 🏷️ Tags / Keywords (SEO Optimized) Senior Full-Stack Developer, Frontend-Focused Full-Stack, SaaS Developer, MVP Developer, Startup Developer, Product Engineer, React Developer, Next.js Developer, TypeScript Developer, Supabase Developer, PostgreSQL, Stripe Integration, Dashboard Developer, Admin Panel Developer, AI Web Developer, OpenAI Integration, Subscription Billing, Scalable Web Apps 🤝 Why Work With Me? - Product-focused mindset (not just tasks) - Clean, maintainable, scalable code - Strong communication & ownership - Startup experience - I understand speed and quality - Long-term thinking, even for MVPs ✅ Closing Statement If you’re looking for a reliable senior developer who can take your idea seriously and turn it into a professional-grade product, I’d be happy to help. Let’s build something impactful 🚀