Freelancers for hire in Brazil
Showing 47 results
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I’m a Senior Software Engineer with 7+ years of experience building scalable, high-performance applications across web and mobile platforms. I specialize in JavaScript/TypeScript, React, React Native, Node.js, Laravel, Django, and cloud services (AWS, GCP, Azure). ✅ What I Do Best: - Full-stack development (frontend...I’m a Senior Software Engineer with 7+ years of experience building scalable, high-performance applications across web and mobile platforms. I specialize in JavaScript/TypeScript, React, React Native, Node.js, Laravel, Django, and cloud services (AWS, GCP, Azure). ✅ What I Do Best: - Full-stack development (frontend + backend + database + APIs) - Mobile app development (iOS & Android, React Native / Flutter / Swift / Android Studio) - Scalable backend systems (Node.js, Laravel, Django, Express.js, Next.js) - RESTful & GraphQL API design and integration - Database architecture (MySQL, PostgreSQL, MongoDB) - Cloud deployment & DevOps (AWS, Docker, CI/CD pipelines) - Payment gateway integrations (PayPal, Stripe, Payoneer, crypto) - Third-party API integrations (Firebase, Twilio, Google APIs, etc.) I’ve successfully delivered dozens of projects, from SaaS platforms to fintech solutions, e-commerce systems, and custom business apps. Let’s bring your project idea to life with robust and scalable solutions. less
Hire shanec35
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I am a passionate audio professional dedicated to delivering high-quality solutions across music and audio production. With extensive experience in both creative and technical aspects, I offer a wide range of services tailored to meet your project needs. Audio Services: - Podcast editing - Audiobook editing...I am a passionate audio professional dedicated to delivering high-quality solutions across music and audio production. With extensive experience in both creative and technical aspects, I offer a wide range of services tailored to meet your project needs. Audio Services: - Podcast editing - Audiobook editing (compliant with Amazon, Audible, etc.) - Audio restoration (videos, lectures, security footage, etc.) Music Production Services: - Studio recording, editing, mixing, and mastering - Digital distribution (Spotify, Apple Music, Deezer, etc.) - MIDI programming and virtual instruments (VSTi) Musician Services: - Sheet music transcription - Original compositions for films, games, and animations - Instrumental arrangements - Keyboard/piano recordings across various genres I’m eager to collaborate and bring your vision to life. Feel free to reach out with any questions or to discuss your project—I look forward to working with you! less
Hire EstudioLT
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I am a talented and experienced Programmer As a generalist programmer, I've worked on a wide range of different projects, creating tools/software to help people. I've worked in international, multi ethnic and cultural teams. Looking forward to help, learn and work.I am a talented and experienced Programmer As a generalist programmer, I've worked on a wide range of different projects, creating tools/software to help people. I've worked in international, multi ethnic and cultural teams. Looking forward to help, learn and work. less
Hire juliotrasferetti
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I have delivered a wide range of web solutions, from e-commerce platforms and custom dashboards to real-time applications and API integrations. I prioritize collaboration, agile development, and continuous learning to stay ahead in an ever-evolving tech landscape. Core Skills: 🔹Frontend: React.js, Next.js,...I have delivered a wide range of web solutions, from e-commerce platforms and custom dashboards to real-time applications and API integrations. I prioritize collaboration, agile development, and continuous learning to stay ahead in an ever-evolving tech landscape. Core Skills: 🔹Frontend: React.js, Next.js, Angular.js, Vue.js, Nuxt.js, Tailwind CSS, SCSS, Webpack 🔹Backend: Laravel, Node.js, Express.js, Python, RESTful APIs, Microservices 🔹Databases: MySQL, PostgreSQL, MongoDB 🔹DevOps: Docker, Git, CI/CD 🔹Testing: PHPUnit, Jest, Cypress Proficient in machine learning, NLP, and AI integrations, with practical experience in platforms like OpenAI GPT, LangChain, n8n, Zapier, Make (Integromat), and custom Python automation. From lead enrichment and chatbots to automated content generation and intelligent scraping, I deliver automation that saves time and drives results. 🔹LLM APIs: OpenAI, Google PaLM, Cohere, Hugging Face 🔹Automation: n8n, Zapier, Make, Python scripting 🔹Data: Web scraping, ETL pipelines, data parsing,PowerBI 🔹AI Tools: LangChain, Pinecone, Vector Search, RAG 🔹Custom Solutions: Chatbots, document automation, AI assistants 🔹Frameworks: TensorFlow, PyTorch, Scikit-learn, XGBoost, Keras, spaCy, Hugging Face Transformers, OpenAI GPT-4, BERT, LLaMA, Claude, Gemini less
Hire melopgabriel
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I’m an AI and blockchain specialist with 8 years of experience developing innovative solutions in Web3, DeFi, smart contracts, and AI-driven applications. I have good experience in JS/TS base UI Frameworks like React and Vue as well as NodeJS, Application development. I have been involved in a bunch of web &...I’m an AI and blockchain specialist with 8 years of experience developing innovative solutions in Web3, DeFi, smart contracts, and AI-driven applications. I have good experience in JS/TS base UI Frameworks like React and Vue as well as NodeJS, Application development. I have been involved in a bunch of web & blockchain projects and developed several SaaS Products and deployed to AWS, Heroku and Digital Ocean successfully. My expertise includes: Blockchain: Smart contract development (Solidity, Rust), DeFi protocols, NFT marketplaces AI & ML: Predictive analytics, NLP, deep learning models Tech Stack: Python, TensorFlow, Solidity, Ethereum, Solana, Hyperledger My strengths as a developer include: - Worked on front-end modules React, React-Native, Vue, Angular, Javascript, Typescript and Next.js with the latest technologies and experience - Hands-on experience in micro-service architecture (Node.Js, GraphQL, Laravel, Django, .NET, Python). - Built many kinds of web3 projects like DeFi, NFT, DAO using Solidity and Rust. - A deep understanding of microservice architecture, which has allowed me to design scalable and efficient systems. - Expertise in cloud platforms, including AWS, GCP, and Azure, for deploying and managing cloud-based applications. - Strong familiarity with containerization and orchestration tools like Docker and Kubernetes. - A commitment to best practices, clean code, and efficient testing to ensure the reliability and maintainability of my solutions. I’ve worked with startups and enterprises to build cutting-edge AI and blockchain solutions that drive efficiency and innovation. Let’s collaborate to turn your vision into reality! less
Hire Nilosiqueiratj
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As a Senior Full-Stack Developer with strong hands-on experience building secure, scalable, and high-performance web applications using React, Next.js, Node.js, TypeScript, PostgreSQL, and cloud platforms, I deliver reliable and maintainable solutions tailored to business needs. With a solid background in both...As a Senior Full-Stack Developer with strong hands-on experience building secure, scalable, and high-performance web applications using React, Next.js, Node.js, TypeScript, PostgreSQL, and cloud platforms, I deliver reliable and maintainable solutions tailored to business needs. With a solid background in both frontend and backend development, I provide complete end-to-end solutions - including SaaS platforms, dashboards, marketplaces, and custom web applications—from architecture and development to deployment and optimization. Whether you need a new product built from scratch, an existing system improved, or complex third-party integrations, I bring clean code, strong system design, and consistent delivery. I focus on performance, scalability, best practices, and clear communication to ensure smooth and successful project outcomes. I’m here to support you with any development work using my extensive experience and technical expertise. Key Skillsets: - Frontend & UI Development • React, Next.js, TypeScript • Tailwind CSS, Bootstrap, Material UI • Responsive design, accessibility, performance optimization - Backend & API Development • Node.js, Express, RESTful APIs • Authentication & authorization (JWT, OAuth) • Server-side architecture & business logic - Databases & Data Layer • MySQL, PostgreSQL, MongoDB • Database design, optimization, migrations - Cloud, DevOps & Deployment • Vercel, AWS, Docker • CI/CD pipelines, environment configuration - Web Technologies • JavaScript (ES6+), TypeScript • HTML5, CSS3 - Integrations & Advanced Features • Third-party API integrations • Payment gateways, maps, analytics • Performance tuning and security best practices less
Hire eduardos912
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As a talented AI Integration and Blockchain FullStack developer, I have rich experience in this field. And I have a lot of experience in FullStack development becasuse i started my developer career with FullStack. And also I developed several creative trading strategies and implement them. In spare time, i like...As a talented AI Integration and Blockchain FullStack developer, I have rich experience in this field. And I have a lot of experience in FullStack development becasuse i started my developer career with FullStack. And also I developed several creative trading strategies and implement them. In spare time, i like solving problem and playing piano. less
Hire davig63
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Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido.Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido. less
Hire Valdineilebkuche
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I’m a creative and communicative professional who enjoys transforming ideas into clear, engaging content. Whether translating into Portuguese, editing images, or recording voice overs, I focus on precision, aesthetics, and consistency. I’m known for being reliable with deadlines, easy to communicate with, and...I’m a creative and communicative professional who enjoys transforming ideas into clear, engaging content. Whether translating into Portuguese, editing images, or recording voice overs, I focus on precision, aesthetics, and consistency. I’m known for being reliable with deadlines, easy to communicate with, and attentive to details. My goal is always to deliver work that is not only accurate and visually or sonically polished, but also aligned with the client’s expectations. less
Hire gabilbp
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Desenvolvedor Front-End apaixonado por criar interfaces modernas e responsivas. Especialista em JavaScript, HTML5, CSS3 e React.js, com experiência em desenvolvimento de SPAs, componentes reutilizáveis e integrações dinâmicas. Entrego soluções rápidas, otimizadas e user-friendly, garantindo performance e...Desenvolvedor Front-End apaixonado por criar interfaces modernas e responsivas. Especialista em JavaScript, HTML5, CSS3 e React.js, com experiência em desenvolvimento de SPAs, componentes reutilizáveis e integrações dinâmicas. Entrego soluções rápidas, otimizadas e user-friendly, garantindo performance e acessibilidade em todos os dispositivos. Vamos transformar suas ideias em experiências web incrÃveis! less
Hire luizm61
