Hire the best Websockets Freelancers in Brazil

Check out Websockets Freelancers in Brazil with the skills you need for your next job.
  • $30 hourly
    Proficient in Next.js Typescript, Python, Web Game development and Animation with Product Configurator. With my combined skills in Game/Product Configurator development, AI integration and visual creativity, I help clients to bring their Game/Website concepts to life on the web, mobile and desktop platforms. I have expertise in Crypto Based Web Game Dev like Gambling, Card, Casino Games implementing modern animation, Real time communication. I've also built several AI-powered applications using Python, integrating services like ChatGPT, Stable Diffusion for game asset generation and automated systems. I have rich experience with 2D/3D Parallax Scrolling, Smooth Scrolling, Product, Product Configurators for E-Commerce, Game sites using GSAP, AnimeJS, Threejs etc. My recent work includes AI-enhanced interactive features and ML-based systems using Python frameworks and Gen AI tools. I am familiar with Remote Teamwork, so have experience with Slack, Jira, Docker, Git/Bitbucket/SVN, RedMine. I am a full-time freelancer, proactive and self-starter, and looking for long-term collaboration. Please check my skills via a small task. Regards
    Featured Skill Websockets
    Python
    OpenAI API
    2D Animation
    GSAP
    Firebase
    GraphQL
    Phaser
    Canvas
    Game Development
    WebGL
    Three.js
    React
    Next.js
    JavaScript
  • $80 hourly
    I build Apps and servers for Startups and I create awesome open-source projects so other developers can do the same ⭐ My well-rated GitHub projects: RodrigoBertotti 👨‍🎓 Graduated in Computer Science ✔️ Arc Certified Remote Developer 🔶 StackOverflow Reputation: Over 5,300
    Featured Skill Websockets
    LangChain
    OpenAI API
    Firebase Cloud Firestore
    REST API
    App Development
    PostgreSQL
    Firebase
    Node.js
    Flutter
    MySQL
    Mobile App Development
  • $50 hourly
    My job is to technically help startups with promising business models to overgrow and to support startups that have problems with their systems to stabilize and be able to overgrow. Some examples: Rock Real Estate Investments Joyz Donations. ABS Telemetry Bora Transport Iplenix Internet Services - Founder Terra Networks Brasil SA Director of Engineer My work covers a wide range of technical management activities within the company, ranging from the selection of the technological development and DevOps team to the management of the teams, including the definition of the systems architecture and software development, operationalization, and support of the systems. The most successful startup I've been participating in was Terra Networks. I participated in the creation while it was still called NutecNet. We started from scratch and reached millions of users. I set up the entire development and operation team for the services as Director and Principal Architect. When Terra Networks bought the company, I started a new role as a manager of a multinational technical team with people in several countries like the United States, Spain, Mexico, and Brazil. Specialties: * build and management of systems development and DevOps teams * systems architecture * software development * DevOps. There are some ways to hire my services: * For short projects, hiring is done with value and results defined before the start. - longer tasks are contracted by: - hours of monthly dedication - profit-sharing, or by royalties - Participation in the company
    Featured Skill Websockets
    Network Administration
    Firmware Programming
    OpenWrt
    Python
    Linux
    Multithreaded Programming
    SQL
    Python Asyncio
    Team Management
    Linux System Administration
    Scripting
    RESTful API
    Socket Programming
  • $33 hourly
    I’m Fábio Denda, a Computer Science student at the Federal University of São Carlos (UFSCar), Sorocaba campus, Brazil. Passionate about technology, I focus on artificial intelligence, web development, and embedded systems—always looking to create innovative solutions. On the front end, I leverage HTML5, CSS3, Bootstrap and JavaScript to design interfaces with seamless user experiences, inspired by Apple’s minimalist style. In the back end, I build efficient, scalable systems using Python, C++, JavaScript and Haskell, integrated with MySQL and MongoDB. My DevOps toolkit includes AWS, Docker and Kubernetes, enabling smooth deployments in Linux environments. Currently, I’m training to compete in C++ programming marathons. You can explore more of my projects on GitHub—let’s connect!
    Featured Skill Websockets
    AI Agent Development
    Gemini 1.5 Pro
    GPT API
    Streaming Platform
    Ubuntu
    Computer Science
    C++
    JavaScript
    Python
    P5.JS
    Artificial Intelligence
    Web Development
    Web Application
  • $40 hourly
    🚀 Distinguished Experience: With over 9 years in the tech industry, I have cemented my expertise with Node.js, Vue/React, TypeScript, and Golang, blending technical acumen with effective project management. My journey is marked by successful collaborations, happy clients, and a portfolio of proprietary high-quality software solutions. 💡 Specialized Skill Set: As a fullstack developer, I bring a robust skill set in both frontend and backend technologies. My proficiency in Node.js, TypeScript, Golang, Vue and React enables me to craft responsive, efficient, and scalable web applications. Whether it’s creating seamless RESTful services or diving into complex fullstack websocket projects, my approach is rooted in delivering excellence and innovation. I can also bring some AWS experience to the table, from the machines to DNS. 🔍 Commitment to Quality: "Good enough" is not in my vocabulary. I strive for perfection in every project, which drives me to explore unique and creative solutions. This mindset has led me to successfully plan and refine various systems, including emergency network platforms, sophisticated chat applications, IoT infrastructures, digital magazines, and VOIP services. My focus on quality assurance ensures that each endpoint is meticulously tested, guaranteeing reliable and fault-tolerant systems. 📈 Problem-Solving & Adaptability: Tackling challenges with an "out-of-the-box" perspective, I excel in delivering cost-effective and unique solutions that not only meet but exceed expectations. My experience in refactoring and optimizing systems speaks to my ability to transform ideas into tangible, high-performing software. 🔗 Effective Communication: I firmly believe that clear and prompt communication is the cornerstone of successful project execution. I am always available to discuss ideas, answer queries, and provide insights, ensuring that we are aligned at every step of the project. 🌟 Ready to Collaborate: Whether you are looking to build from scratch or enhance an existing system, I am here to bring your vision to life with my technical expertise and unwavering commitment to quality. Let's connect and embark on a journey to create software that stands out and delivers results!
    Featured Skill Websockets
    API Development
    Twilio API
    SQL
    Database Design
    Database Architecture
    ExpressJS
    Redis
    Database
    Vue.js
    API
    JavaScript
    Golang
    RESTful API
    Node.js
  • $18 hourly
    Senior Full Stack Engineer with over 5 years of experience working for US-based clients. I build entire applications, taking all the responsibility and delivering good results. I have already built dozens of applications, from NFT websites to e-learning platforms, as well as mobile apps and chrome extensions. There is nothing I can't do, I never give up.
    Featured Skill Websockets
    Automation
    Mongoose
    Figma
    Back-End Development
    Front-End Development
    NodeJS Framework
    Tailwind CSS
    TypeScript
    MongoDB
    Node.js
    React
    Next.js
    JavaScript
    Web Development
  • $74 hourly
    Desenvolvedor Angular C# (.NET). Desde ASP3 VBScript desenvolvendo sistema de desktop e web para empresas das áreas de agricultura, logística e imóveis.
    Featured Skill Websockets
    SVG
    API
    Progressive Web App
    TypeScript
    CSS
    HTML
    .NET Core
    JavaScript
    Angular
    Web Development
  • $35 hourly
    Summary Experienced Full-Stack Developer with 5 years in the industry, specializing in ReactJS, NextJS, NodeJS, and NestJS for the past 3 years. Passionate about building scalable applications, optimizing system performance, and improving development workflows.
    Featured Skill Websockets
    Django
    TypeScript
    ExpressJS
    Jest
    Cypress
    JavaScript
    RabbitMQ
    PostgreSQL
    Docker
    Node.js
    React
    NestJS
    Next.js
    Web Development
  • $45 hourly
    👋 Hey, I’m Leandro Lira, a Full Stack & Backend Developer with 6+ years of experience building high-performance, AI-powered, and scalable systems across industries. 🔧 𝓦𝓱𝓪𝓽 𝓘 𝓓𝓸 𝓑𝓮𝓼𝓽 ⚙️ Backend & Systems Engineering • 𝐂, 𝐂++, 𝐆𝐨𝐥𝐚𝐧𝐠, 𝐏𝐲𝐭𝐡𝐨𝐧, 𝐂#, 𝐉𝐚𝐯𝐚 • Frameworks: FastAPI, Spring Boot, Flask, .NET Core, Node.js • Microservices, gRPC, RESTful APIs, WebSockets, Kafka • Low-latency systems, multithreaded design, and real-time services 🤖 AI & Automation • GPT-4/o, Claude, Gemini, LlamaIndex, LangChain, Whisper • RAG pipelines, context memory, and AI agent orchestration • Voice + Video AI (11𝐋𝐚𝐛𝐬, 𝐑𝐞𝐭𝐞𝐥𝐥, 𝐕𝐀𝐏𝐈, 𝐒𝐲𝐧𝐭𝐡𝐞𝐬𝐢𝐚) • Business automation using 𝐌𝐚𝐤𝐞.𝐜𝐨𝐦, 𝐙𝐚𝐩𝐢𝐞𝐫, 𝐧8𝐧 💻 Full Stack Development • 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React, Next.js, ShadCN, TailwindCSS • 𝐌𝐨𝐛𝐢𝐥𝐞: Flutter, React Native, Kotlin, Swift (cross-platform optional) • API-first apps, modular SaaS platforms, and beautiful UIs ☁️ Cloud & Infrastructure • 𝐀𝐖𝐒, 𝐀𝐳𝐮𝐫𝐞, 𝐆𝐂𝐏 • Docker, Kubernetes, CI/CD (GitHub Actions, Jenkins) • PostgreSQL, MariaDB, My SQL, 𝐌𝐨𝐧𝐠𝐨𝐃𝐁, 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞, 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞 🚀 𝓟𝓻𝓸𝓳𝓮𝓬𝓽𝓼 𝓘 𝓑𝓾𝓲𝓵𝓭 ✔ AI-integrated SaaS products ✔ Custom AI Agents for support, content, and workflow ✔ REST/gRPC APIs and secure backend systems ✔ Cloud-native apps with auto-scaling and monitoring ✔ Realtime dashboards, admin portals, and internal tools ✔ End-to-end automation (CRM, eComm, HR, Ops) 🧠 𝓣𝓮𝓬𝓱 𝓢𝓽𝓪𝓬𝓴 𝓢𝓷𝓪𝓹𝓼𝓱𝓸𝓽 Languages: C, C++, Go, Python, Java, C#, JavaScript, TypeScript Frameworks: FastAPI, Flask, Spring Boot, .NET, Express Frontend: React.js, Vue.js, Next.js, TailwindCSS AI Tools: GPT-4/o, Claude, LangChain, LlamaIndex, Whisper, 11Labs Automation: Zapier, Make.com, n8n, API triggers DevOps: Docker, Kubernetes, GitHub Actions, AWS Lambda Databases: PostgreSQL, MySQL, MongoDB, Redis, Firebase 🌍 𝓘𝓷𝓭𝓾𝓼𝓽𝓻𝓲𝓮𝓼 𝓘 𝓦𝓸𝓻𝓴 𝓘𝓷 🏥 Healthcare | 📈 SaaS & Startups | 🛍️ E-Commerce | 💬 Social & Messaging 🏠 Real Estate | 🎓 Education | 💳 Fintech | 📡 IoT | ⚙️ Enterprise Automation 💬 𝓦𝓱𝔂 𝓦𝓸𝓻𝓴 𝓦𝓲𝓽𝓱 𝓜𝓮? ✅ End-to-End Engineer – From systems to UI, I own the full stack ✅ AI-Driven Thinking – LLMs + automation baked into every layer ✅ Secure, Scalable Systems – Future-proof architecture that just works ✅ Proactive Partner – Collaborative, communicative, and business-focused 📩 Let’s build something intelligent, secure, and scalable. Reach out today and let’s bring your idea to life! 🔍 Key to Find (Skill Index for Search Engines & Clients): AI Full Stack Developer, Backend Developer, API Developer, AI Agent Developer, Golang Developer, Python Developer, FastAPI, C++ Developer, C Developer, C# Developer, Java Developer, Java Spring Boot, .NET Core, Flask, RESTful API, gRPC, WebSocket, Kafka, GPT-4 API Integration, OpenAI Integration, LangChain, LangGraph, LlamaIndex, Claude AI, Gemini AI, Whisper AI, 11Labs, AI Automation, Workflow Automation, Make.com, Zapier, n8n, Docker, Kubernetes, AWS, Azure, Google Cloud Platform, PostgreSQL, MongoDB, Firebase, Redis, Supabase, Microservices Architecture, Software Architect, Systems Programming, Real-Time Systems, Multithreading, Memory Optimization, Scalable Infrastructure, Server-Side Developer, API Security, Secure API Development, CI/CD, GitHub Actions, Jenkins, AI SaaS Developer, Full Stack Web App, Web Development, React.js, Vue.js, Next.js, Tailwind CSS, Flutter, React Native, MVP Development, Enterprise Software, Voice AI, Video AI, AI Automation Developer, AI Integration Specialist
    Featured Skill Websockets
    Next.js
    AI Agent Development
    Whisper API
    ElevenLabs
    RESTful API
    Back-End Development
    Web Development
    Microservice
    Node.js
    .NET Core
    Flask
    Spring Boot
    FastAPI
    Golang
  • $11 hourly
    I work as a web developer, where I am responsible for the development and maintenance of web systems. I am the main person in charge of fixing bugs and developing systems, using technologies such as Typescript, Javascript, Node.js, Next.js, React.js, MySQL, AWS VPS, and AWS S3, along with HTML and CSS. I focus on meeting client needs with quality and performance, providing continuous support and optimizations for web systems.
    Featured Skill Websockets
    International Development
    Redis
    Docker
    CSS
    HTML
    JavaScript
    API
    Socket.io
    Amazon Web Services
    Next.js
    NodeJS Framework
    React
    TypeScript
    Web Development
  • $25 hourly
    Hi, I’m Duanne Moraes — a disciplined and results-driven backend developer specialized in Python, Django, FastAPI, PostgreSQL, and web scraping. I help small and medium-sized businesses automate processes, build APIs, and extract valuable data from the web. Whether you're looking to streamline operations, build a scalable backend, or train an AI agent to handle tasks (like I did for a dental clinic’s virtual assistant), I can deliver high-quality solutions tailored to your needs. With a strong background in backend development, I bring: Solid expertise in Python, Django, FastAPI, and PostgreSQL Experience with web scraping and data automation A proactive mindset, developed during my 7 years serving as a Brazilian Marine A degree in Information Technology Management and a fullstack background from Kenzie Academy I’m highly organized, committed to delivering clean and efficient code, and value consistent communication throughout the entire project. Let’s work together to turn your ideas into solid, scalable solutions!
    Featured Skill Websockets
    PostgreSQL
    Web Scraping
    FastAPI
    Django
    Web Development
    Python
    Back-End Development
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