Freelancers til leie i Brazil
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Sponsede frilansere
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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. mindre
Ansett shanec35
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⭐AI⭐Automation⭐Python⭐Scraping⭐WordPress⭐Mobile⭐Zapier⭐N8N⭐MERN I am a software engineer specializing in AI, automation, and full-stack development, with over 7 years of experience delivering production-grade systems. My focus is on building scalable, reliable solutions where intelligent automation is tightly...⭐AI⭐Automation⭐Python⭐Scraping⭐WordPress⭐Mobile⭐Zapier⭐N8N⭐MERN I am a software engineer specializing in AI, automation, and full-stack development, with over 7 years of experience delivering production-grade systems. My focus is on building scalable, reliable solutions where intelligent automation is tightly integrated with robust application architecture. I design and implement end-to-end systems that combine event-driven backends, clean APIs, and maintainable frontends—ensuring performance, observability, and long-term sustainability in real-world environments. Core Expertise - AI-powered automation and intelligent workflows - Event-driven architectures & orchestration - Backend systems, APIs, and services - Frontend application development - Full-stack system integration - Data processing and automation pipelines - Fault tolerance, retries, and structured error handling - Monitoring, analytics, and technical documentation Professional Highlights - Delivered full-stack applications with deeply integrated automation - Designed scalable APIs supporting real-time and asynchronous workflows - Integrated AI into operational, internal, and customer-facing systems - Built maintainable, production-ready architectures with clear handoff - Emphasized reliability, observability, and clean system design I deliver engineering solutions where automation, intelligence, and application logic operate together seamlessly—designed for scale, clarity, and long-term reliability. mindre
Ansett mauriciom46
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Service 24h Let me know what you need via chat. - Graphic Designer - Images / Photos - Editing, Retoucher an manipulator - Flyers - Banners - Posters - Infographics - Professional photographer (...)Service 24h Let me know what you need via chat. - Graphic Designer - Images / Photos - Editing, Retoucher an manipulator - Flyers - Banners - Posters - Infographics - Professional photographer (...) mindre
Ansett MarkRios
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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 mindre
Ansett 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! mindre
Ansett Nilosiqueiratj
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Hi, I’m Gabe! I’ve spent the last decade helping businesses turn ideas into visual identities they’re proud of. I specialize in clean, timeless logos that are built to last. My goal is simple: designs that are beautiful, meaningful, and make people remember your brand. Let’s create yours together!Hi, I’m Gabe! I’ve spent the last decade helping businesses turn ideas into visual identities they’re proud of. I specialize in clean, timeless logos that are built to last. My goal is simple: designs that are beautiful, meaningful, and make people remember your brand. Let’s create yours together! mindre
Ansett Gabevilanova
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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. mindre
Ansett AnjosGustavo
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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 mindre
Ansett eduardos912
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matheussilva114 matheussilva114
$50 USD / time
FULL-STACK ENGINEER| DATA SCIENTIST| AI SPECIALISTBrazilAs a Senior Full-stack developer, Data Scientist and AI/ML Engineer with over 6 years of experience, I specialize in designing, developing, and deploying Software Products with good machine learning solutions. My expertise spans across Machine Learning, Deep Learning, NLP, Computer Vision, and Generative AI,...As a Senior Full-stack developer, Data Scientist and AI/ML Engineer with over 6 years of experience, I specialize in designing, developing, and deploying Software Products with good machine learning solutions. My expertise spans across Machine Learning, Deep Learning, NLP, Computer Vision, and Generative AI, enabling businesses to harness the full potential of AI for automation, insights, and innovation. mindre
Ansett matheussilva114
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Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido.Eficiente, inteligente, ágil, resiliente, persistente, disciplinado, paciente, focado, comprometido. mindre
Ansett Valdineilebkuche
