Freelancers para contratação em Brazil
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Exames
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Mostrando 44 resultados
Freelancers Patrocinados
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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. menos
Contratar shanec35
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Python, Arquitetura de software, Programação C++ , Aprendizado de Máquina (ML), Empacotamento de Aplicações👋 Hi, I'm Pedro I'm a 34-year-old developer passionate about bringing ideas to life through code. Whether it’s building intelligent systems, crafting clean interfaces, or automating complex workflows, I enjoy transforming visions into concrete results. 🧠 Core Skills Languages: C++, Python, JavaScript Frameworks &...👋 Hi, I'm Pedro I'm a 34-year-old developer passionate about bringing ideas to life through code. Whether it’s building intelligent systems, crafting clean interfaces, or automating complex workflows, I enjoy transforming visions into concrete results. 🧠 Core Skills Languages: C++, Python, JavaScript Frameworks & Libraries: OpenCV, TensorFlow, Keras Web & Mobile: * Website development using modern web technologies * Android app development with Kotlin and Flutter Scripting & Automation: * Python installer scripts * PHP with SQL/NoSQL databases * Plugins for third-party software 📄 Document Processing & Data Work I have extensive experience manipulating and formatting structured documents, including PDF, CSV, Word, and EPUB files. I often automate document workflows and data transformations with Python, combining precision with performance. 🐳 Infrastructure & Tools * Proficient with Git (local and GitHub workflows) * Comfortable using Docker for containerization and deployment * Experienced in Linux (terminal) and Windows (PowerShell/MSYS2) environments * Collaborative experience using tools like Slack 🤝 Let's Build Something I value clear communication, reliable execution, and thoughtful problem-solving. Whether you need help on a specific project or a long-term collaboration, I’m ready to contribute. 📌 GitHub: https://github.com/hilbertspace05 menos
Contratar pedrofrancab
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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 menos
Contratar melopgabriel
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I collaborate with startups and enterprises to build robust, scalable web applications that deliver measurable business outcomes—from concept to production. I don’t just build features; I deliver production-ready software that stands up to real users, real traffic, and real complexity. As a Full-Stack Developer and...I collaborate with startups and enterprises to build robust, scalable web applications that deliver measurable business outcomes—from concept to production. I don’t just build features; I deliver production-ready software that stands up to real users, real traffic, and real complexity. As a Full-Stack Developer and AI Specialist, I bring a unique advantage: I design and build the complete product end-to-end—clean UX, reliable APIs, secure infrastructure—then layer in AI where it genuinely drives ROI (automation, intelligence, personalization, and speed). From full SaaS platforms and marketplaces to internal tools and admin dashboards, I handle the full engineering lifecycle: architecture, implementation, deployment, monitoring, and iteration. And when AI is part of the product, I make sure it’s not just a prototype—it’s stable, scalable, and integrated into real workflows. 🚀 My Core Expertise & Services 1) End-to-End Full-Stack & SaaS Development (Primary) - Building modern web apps with Next.js, MERN, and Ruby on Rails, Fastapi, Django - SaaS platforms, marketplaces, multi-tenant apps, and admin dashboards - Secure backends with JWT, RBAC, scalable API design (REST/GraphQL), and clean architecture - Production deployment, performance optimization, logging/monitoring, and long-term maintainability 2) AI Systems & Automation (Secondary) - AI Agents & Multi-Agent Systems with LangChain, LangGraph, AutoGen, and CrewAI - RAG Systems using Pinecone, ChromaDB, FAISS, and Qdrant for real-time knowledge retrieval - LLM integration (GPT-5, Claude, Gemini, Llama, Mistral) for customer support, ops, analytics, and internal tools - AI chatbots & voice agents with Twilio, Vapi, Livekit, VoiceFlow, ElevenLabs, and WebSockets 3) Workflow Automation & Integrations - No-code/low-code automation with n8n, Make.com, Zapier - CRM integrations (HubSpot, Salesforce, GoHighLevel) for onboarding, lead scoring, and sales automation - Connecting tools like Slack, Notion, Airtable, DocuSign, and more ✅ Why Clients Hire Me - Full-Cycle Ownership: From planning and architecture to deployment and optimization - Speed to Market: I can deliver an investor-ready MVP in as little as 10 days - Business-First Engineering: I build what moves metrics—revenue, conversion, automation, cost reduction, and retention 📩 Let’s Build Together If you need a developer who can build the full product end-to-end—and bring AI when it meaningfully improves outcomes—click “Invite” or “Send Message” and let’s talk. menos
Contratar AnjosGustavo
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I build production-grade software and automations that reduce manual work, improve decision-making, and scale smoothly. From customer-facing web apps to internal dashboards and AI-assisted workflows,, I focus on clean architecture, measurable outcomes, and reliable delivery. What I deliver: - Modern web apps &...I build production-grade software and automations that reduce manual work, improve decision-making, and scale smoothly. From customer-facing web apps to internal dashboards and AI-assisted workflows,, I focus on clean architecture, measurable outcomes, and reliable delivery. What I deliver: - Modern web apps & internal tools your team actually enjoys using - Secure, maintainable NodeJs backends with clean APIs and solid data models - Automation that eliminates busywork (routing, follow-ups, reporting, approvals) - AI-powered expereinces (support assistants, smart intake, content + decision flows) - Documentation + handover so your team can confidently own the system Core Stack: - Frontend: React.js, Next.js, Typescript (plus Vue ; Anular when needed) - Backend: NodeJS (Express / NestJS), C# / .NET core (ASP.NET) - Data: PostgreSQL, SQL Server, MongoDB (Prismar / Entity Framework) - Python: data processing, integrations, orchestration scripts - Automation: n8n, Make.com, Zapier, GoHighLevel - AI: OpenAI API (chat, classification, routing, structured workflows) - Integrations: Slack, Twilio, Notion, Airtable, Google sheets, Discord, Telegram, Landbot Typical wins for clients - Faster support and lead response with 24/7 AI assistance + smart routing - Better visibility with role-based dashboards for ops, billing, and analytics - Fewer errors and smoother ops with event-driven automations across tools - Cleaner scaling with tests, logging/monitoring hooks, and deploy-ready structure How I work - Discover & blueprint: map flows, define metrics, confirm scope - Build in iterations: short milestones, demos, and quick feedback loops - Launch & support: docs, handover, monitoring, and stabilization menos
Contratar natanr28
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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. menos
Contratar davig63
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Desenvolvimento de Software, Desenvolvimento de Chatbot com IA, Desenvolvimento de IA, Amazon Web Services, Desenvolvimento de APIPython Expert With extensive experience building scalable, intelligent applications. My core strengths include: - Python & AI: Advanced skills in AI/ML development, deep learning, NLP, and data-driven solutions. - Web Scraping: Efficient and reliable data extraction using Python tools like BeautifulSoup, Scrapy,...Python Expert With extensive experience building scalable, intelligent applications. My core strengths include: - Python & AI: Advanced skills in AI/ML development, deep learning, NLP, and data-driven solutions. - Web Scraping: Efficient and reliable data extraction using Python tools like BeautifulSoup, Scrapy, and Selenium. - Full Stack Development: Proficient with React.js for building dynamic, responsive user interfaces. - Cloud & DevOps: Hands-on experience with AWS services such as Lambda, S3, EC2, and serverless architecture. - Backend Development: Skilled in Python frameworks like Django and Flask for creating APIs and backend logic. - Database Management: Expertise in both SQL and NoSQL databases. Let’s collaborate to bring intelligent software solutions to life! menos
Contratar albertoprata
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Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido.Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido. menos
Contratar Valdineilebkuche
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I have already worked with the public, costumer services, in the tourism industry for over 10 years. I have also worked in the financial area, as i have a degree in financial management, so i have knowledge of excel and microsoft word. I am interested in working with excel and and microsoft word, responding to...I have already worked with the public, costumer services, in the tourism industry for over 10 years. I have also worked in the financial area, as i have a degree in financial management, so i have knowledge of excel and microsoft word. I am interested in working with excel and and microsoft word, responding to clients, customer services, giving feedbaks. Working with translations from Portuguese to English or vice versa. menos
Contratar tatianedspaz
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Escrita de Artigos, Redação de Conteúdo, Suporte ao Cliente, Processamento de Dados, Tradutor de Inglês (EUA)I am a results-driven professional with over 8 years of experience in commercial and operational management, specializing in trade marketing, business analysis, and systems development. Holding a degree in Business Administration from FAMES (2009) and currently pursuing Analysis and Systems Development at IFSC...I am a results-driven professional with over 8 years of experience in commercial and operational management, specializing in trade marketing, business analysis, and systems development. Holding a degree in Business Administration from FAMES (2009) and currently pursuing Analysis and Systems Development at IFSC (expected 2027), I combine strategic business acumen with technical skills to deliver efficient solutions for clients. In my recent role as Trade Marketing Analyst at Cooperativa de Produção e Abastecimento do Vale do Itajaí (2021-2025), I structured the Trade Marketing department, optimized processes using ERP systems, and managed fundraising projects through data analysis and automated reporting. This led to a 120% increase in fundraising in the first year, 40% in the second, and 20% in the third, demonstrating my ability to drive sustainable growth. Previously, as Unit Manager at Sudeste Foods Produtos Alimentícios Ltda. (2020-2021), I supervised commercial operations at Porto Alegre International Airport, implementing data-driven improvements in financial planning, inventory control, and team management to enhance efficiency and customer service quality. At BK Brasil Operações e Assessoria a Restaurantes S.A. (2017-2019), as Operations Coordinator, I managed multiple Burger King units, utilizing digital tools for performance monitoring, financial results, and customer satisfaction. My analyses and process improvements ensured EBITDA above 20% and sales growth over 5%. My technical expertise includes programming languages such as C, C#, SQL, and JavaScript, along with advanced proficiency in Microsoft Office, Power BI (certified), ERP Datasul, and Roadnet 5000 logistics software. I also hold certifications in Backend Development (300h, Senai/Entra21), Leadership and High-Performance Teams (32h), Process and Inventory Management (24h), Total Quality Management (15h), and more. Fluent in English (C2 certified via EF SET) and Portuguese, I am based in Blumenau, SC, Brazil, and available for remote freelance work. I excel in virtual assistance, data automation, project management, and bilingual support. Let's collaborate to optimize your business processes and achieve measurable results! menos
Contratar guilhermec570
