Hire the Best Front-End Developers
in Brazil

With 4 years of experience, I specialize in developing web applications, mobile apps with React Native, and IoT solutions, delivering robust and scalable products across different platforms.

Hello, my name is Lucas Schimidt. I am a full stack developer with knowledge in Python, SQL database language, and web technologies! With over 6 years of experience I have specialized in creating customized solutions, including web development, web design and automation. Passionate about technology!

Technology professional with 21 years of experience in Software Development, Artificial Intelligence, Design, and Graphic Production. Works as a Graphic Production Specialist, Graphic Designer, Full Stack Developer, Mentor, and Technology Consultant, with solid expertise in offset and digital design, graphic production, editorial layout, visual communication, branding, and print-ready artwork preparation. In software development, has extensive experience building web applications, software architecture, databases, APIs, cloud solutions, automation, systems integration, and end-to-end digital product development. Experienced with OpenAI API, Next.js, React, WordPress, Gatsby.js, Netlify, Vercel, and PHP, developing high-performance websites, scalable applications, intelligent automation, and production-ready software solutions. In Artificial Intelligence, specializes in developing solutions based on Large Language Models (LLMs), Prompt Engineering, Retrieval-Augmented Generation (RAG), OpenAI API integration, AI Harnesses, AI agents, intelligent automation, AI-powered content generation, and Generative AI applications. Also provides mentoring in technology, software development, artificial intelligence, and career development, helping professionals and organizations strengthen their technical capabilities and strategic direction. Has more than 8 years of experience in the international freelance market, serving clients across the United States, Europe, and other countries, achieving a 100% Job Success rating and generating over USD 60,000 in international project revenue. Delivers end-to-end solutions, from visual concept and graphic design to software development, deployment, automation, and the continuous evolution of digital products and printed materials. What I Do ✅ WordPress → Next.js / Gatsby Migrations Safe, SEO-preserving migrations for high-traffic websites and SaaS products. ✅ AI-Powered SaaS Development Login systems, Stripe billing, content generation, automation pipelines. ✅ Performance & Technical SEO Optimization Core Web Vitals improvements, architecture redesign, code refactoring. Recent Results - Reduced SaaS landing page load time from 6s → under 1s - Migrated high-traffic blog to Next.js with SEO rankings preserved - Built AI automation replacing 8+ hours/week of manual work - Installed modern CMS system cutting content publishing time by 50% What They Say About Me 💬 - 20+ years building web systems (since 1998) - 900+ web projects delivered - $70k+ international freelance revenue - Clients across US, Europe, and Brazil - Strong background in React, JavaScript, GraphQL, Gatsby, Next.js - Strategic mindset: I don’t just code — I architect Testimonials "This guy is a coding rockstar. I highly recommend him! :) He's also very laid-back and communicative. We'll definitely work with him again. FIVE STARS!" — Federico H., Figmenta, Milan, Italy "The market is flooded with low-experience developers, but Milton is clearly on a different level. GOAT!" — Renato Q., Creativity Block, Lisbon, Portugal "Milton is a very talented developer. I hired him several years ago and know him well. Milton's skills are top-notch. I highly recommend him." — Ryan M., Green Hat Web Solutions, Denver, USA

- Rust, Tauri, Desktop App - Langchain, Langgraph, Langsmith, OpenAI, Pinecone, Claude, AI Agent orchestration, Chatbot, Multi agents, RAG pipeline - Stripe, Outseta - Next.js, PayloadCMS, Vue3, Python, Node.js, Astryx, Shadcn, TailwindCSS - Supabase, Firebase

I'm a Senior Full-Stack AI Developer with 7+ years of software engineering experience, specializing in building AI-powered SaaS platforms, intelligent automation systems, and scalable web applications. I help startups and businesses turn ideas into production-ready AI products that generate revenue and scale efficiently. Over the years, I've built and deployed: - End-to-end SaaS products (MVP -> Scale) - LLM & GPT-powered applications - AI automation system that reduce operational costs - High-performance frontend & backend architectures - Secure APIs & third-party integrations - Cloud-native infrastructure & DevOps pipelines I combine strong engineering fundamentals with deep AI integration expertise - meaning I don't just build features, I built scalable AI products. If you are looking for a developer who understands architecture, performance, and business impact - let's build something exceptional.

Hi, I'm David — a front-end developer who builds high-converting landing pages with React, Next.js, and Tailwind CSS. I help founders, startups, and agencies turn visitors into customers with pages that load fast, look sharp, and work flawlessly on every screen. A landing page is the first impression your business makes — so I focus on clean design, strong performance, and a layout built to convert. What I can do for you: • Custom landing pages built from scratch with React, Next.js, and Tailwind CSS • Fully responsive layouts that look great on mobile, tablet, and desktop • Fast-loading pages built with technical SEO best practices — semantic HTML, meta tags, and clean structure • Smooth animations and interactive details that make your brand stand out • Clean, maintainable code you can build on later I'm also co-founder of Upward, a digital studio where I deliver web projects for partner brands, so I'm used to working to a brief and a deadline. I care about clear communication and delivering work I'm proud of. If you have a project in mind, send me a message — I'd love to hear about it.