JavaScript and TypeScript Libraries para contratar
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Freelancers patrocinados
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Contratar lazarr4
Thank you for taking the time to view my profile. I enjoy seeing the things I build actually help people, and that is one of the main reasons I’ve continued working in this field. For over 7 years, I’ve been involved in developing e-commerce websites using Shopify and WordPress, as well as SaaS products and various...Thank you for taking the time to view my profile. I enjoy seeing the things I build actually help people, and that is one of the main reasons I’ve continued working in this field. For over 7 years, I’ve been involved in developing e-commerce websites using Shopify and WordPress, as well as SaaS products and various web-based systems. What I Can Help With ✅ Full-Stack Web Development ✅ SaaS & Business Software Development ✅ Custom Web Application Development ✅ Shopify Development ✅ WordPress & WooCommerce Development ✅ E-Commerce Platform Development ✅ Marketplace & Multi-Vendor Platform Development ✅ Frontend Engineering & UI/UX ✅ Backend & API Engineering ✅ Database Design & Data Engineering ✅ AI, LLM & Intelligent Automation ✅ AI Agent & RAG System Development ✅ Machine Learning & Data-Driven Applications ✅ Mobile Application Development ✅ Android & iOS App Development ✅ Cross-Platform App Development ✅ Cloud Computing & Cloud Application Development ✅ DevOps & CI/CD Automation ✅ Server Administration & Deployment ✅ Microservices & Distributed Systems ✅ System Architecture & Technical Consulting ✅ API Integration & Third-Party Services ✅ Business Process Automation ✅ Web Scraping & Data Extraction ✅ Payment Gateway & Subscription Integration ✅ CRM, ERP & Business Management Systems ✅ Booking & Reservation System Development ✅ Real-Time Application Development ✅ Database Optimization & Performance Tuning ✅ Website Migration & System Modernization ✅ Legacy System Maintenance & Upgrades ✅ Cybersecurity & Application Security ✅ Website Performance Optimization ✅ Technical SEO & Digital Growth Optimization ✅ Analytics & Business Intelligence Dashboards ✅ Custom CMS Development ✅ Headless Commerce & Headless CMS ✅ Progressive Web App (PWA) Development ✅ Software Testing & Quality Assurance ✅ Automated Testing & Debugging ✅ API Documentation & Technical Integration ✅ Maintenance, Support & Continuous Improvement ✅ MVP Development & Product Prototyping ✅ Custom Software Solutions & Digital Transformation Once a website or system is actually being used, you start to notice things that weren’t obvious during development. “Is this really easy to understand?” “Why does this have to be done manually every time?” “Couldn’t this be made simpler?” I really enjoy finding these small pain points, improving them one by one, and seeing how the experience gets better each time. Even at that scale, I still find it incredibly rewarding to see the systems I’ve built make someone’s work easier and contribute to the steady growth of their business. Even if you’re simply thinking, “I’m not sure what I need to build yet,” that’s completely fine. I’ll listen, ask the right questions, and work through the possibilities with you. Being able to watch a client’s business grow while continuing to grow alongside them is, for me, one of the most rewarding parts of this work. menos -
Contratar dylee4722
🚀 Senior AI, Full-Stack & Mobile Developer focused on building scalable, production-ready products that solve real business problems. I help startups, businesses, and product teams turn ideas into reliable web platforms, mobile applications, AI-powered systems, SaaS products, and workflow automation solutions. My...🚀 Senior AI, Full-Stack & Mobile Developer focused on building scalable, production-ready products that solve real business problems. I help startups, businesses, and product teams turn ideas into reliable web platforms, mobile applications, AI-powered systems, SaaS products, and workflow automation solutions. My work covers the complete development lifecycle — architecture, UI implementation, backend APIs, databases, AI integration, third-party services, testing, deployment, and ongoing optimization. I focus on clean architecture, maintainable code, strong security, and systems that can scale as the business grows. ⭐ Core Expertise ✅ AI & LLM Development • OpenAI API, GPT-powered applications • AI assistants and chatbots • RAG systems and knowledge bases • Vector databases and semantic search • Prompt engineering • AI workflow automation • Document processing and data extraction • LangChain and agent-based workflows ✅ Full-Stack Web Development • React.js, Next.js, TypeScript • Node.js, Express.js, Fastify, NestJS • Python, FastAPI, Django • REST APIs and real-time systems • PostgreSQL, MySQL, MongoDB, Supabase • Authentication, RBAC, JWT, multi-tenant architecture ✅ Mobile App Development • React Native • Expo • Flutter • Android and iOS applications • Push notifications • Location and maps integration • Camera, media, and device features • App Store and Google Play deployment support ✅ SaaS & Business Platforms • CRM and ERP systems • Booking and marketplace platforms • Admin dashboards • Payment and subscription systems • Multi-user and multi-company platforms • Analytics and reporting • Messaging and notification systems ✅ Cloud & DevOps • AWS • Vercel • Docker • Linux/VPS deployment • CI/CD pipelines • GitHub • Cloudflare • PostgreSQL and Redis infrastructure ⭐ What You Can Expect ✓ Clean, maintainable, production-ready code ✓ Scalable architecture instead of quick temporary fixes ✓ Clear communication throughout the project ✓ Practical technical recommendations based on business goals ✓ Strong attention to security, performance, and reliability ✓ Complete ownership from development through deployment ✓ Responsive communication and reliable delivery I am especially comfortable with projects where multiple systems need to work together — for example AI + SaaS, mobile + backend, payments + subscriptions, real-time data + dashboards, or third-party API integrations. I don’t focus only on writing code. I focus on understanding the business goal, identifying technical risks early, and building a solution that is practical today and ready to grow tomorrow. If you need an AI-powered application, custom SaaS platform, modern web system, mobile app, automation workflow, or an experienced developer to improve an existing product, feel free to contact me. Let’s build something reliable, scalable, and valuable. 🚀 menos -
Contratar exequiel12ifran
exequiel12ifran exequiel12ifran
$30 USD / hora
Web & Mobile | React, Vue, Shopify, WP, OpenAIArgentinaSenior developer with hands-on experience in building scalable web apps, cross-platform mobile apps, and AI-driven automations. I work with Next.js, React, Angular, Flutter, React Native, and Shopify to deliver clean, maintainable, and high-performance solutions. I specialize in: Web & Frontend: React, Next.js,...Senior developer with hands-on experience in building scalable web apps, cross-platform mobile apps, and AI-driven automations. I work with Next.js, React, Angular, Flutter, React Native, and Shopify to deliver clean, maintainable, and high-performance solutions. I specialize in: Web & Frontend: React, Next.js, Three.js, Angular, TypeScript, Tailwind CSS, Material-UI Mobile & Cross-Platform: Flutter, React Native, offline-first apps, push notifications E-Commerce & CMS: Shopify, headless commerce, WordPress, custom integrations Automation & AI: n8n workflows, OpenAI, LangChain, intelligent pipelines Performance & DevOps: REST/GraphQL APIs, CI/CD, SEO, cloud deployments I focus on building user-centric, future-ready products while optimizing workflows and ensuring smooth, maintainable code. menos -
Contratar smitk9999
With 8+ years of experience as a Senior Software Engineer, I help businesses build scalable, secure, and modern digital products across web, mobile, desktop, cloud, AI, FinTech, blockchain, and automation platforms. My background covers full-stack development, software architecture, backend systems, databases, cloud...With 8+ years of experience as a Senior Software Engineer, I help businesses build scalable, secure, and modern digital products across web, mobile, desktop, cloud, AI, FinTech, blockchain, and automation platforms. My background covers full-stack development, software architecture, backend systems, databases, cloud infrastructure, API integrations, DevOps, security, UI/UX, automation, and AI-powered solutions. I’ve worked with startups, agencies, and growing companies to deliver production-ready systems that are reliable, maintainable, and built for long-term growth. My core expertise includes: • JavaScript, TypeScript, HTML5, CSS, AJAX, React, Next.js, Angular, Vue • C#, .NET / .NET Core, ASP.NET, MVC, PHP, Python, Django, Java, C/C++ • MySQL, PostgreSQL, SQL Server, MongoDB, SQLite, SQL • REST APIs, API Development, API Integration, GraphQL, Microservices • AWS, Azure, Linux, Windows Server, VPS, Docker, Terraform, CI/CD, Git • WordPress, Shopify, Magento, Web Design, UI/UX, SEO • React Native, Flutter, Android, iOS, Desktop App Development • OpenAI, ChatGPT, Azure OpenAI, LLMs, AI Agents, MCP, Machine Learning • n8n, Make.com, Chatbots, AI Integration, AI App Development • Blockchain, Ethereum, Solidity, Smart Contracts, DApps, Web3.js, MetaMask • FinTech, Payment Gateway Integration, Payment Processing, Financial Software • MetaTrader 4/5, MQL5, TradingView, Trading Bots, Algorithmic Trading • Unreal Engine, Roblox, Lua, Game Development and Game Optimization • Web Security, Cloud Security, Cryptography, Data Processing and Automation I also have strong experience leading projects and collaborating with teams — from requirements analysis and architecture planning to Agile development, code reviews, documentation, deployment, security, and mentoring developers. Recently, I’ve been working extensively with AI agents, LLM integrations, MCP-based workflows, automation systems, FinTech solutions, blockchain applications, and trading platforms that connect AI and software with real-world APIs, databases, payment systems, and business tools. I focus on writing clean, maintainable code and building solutions that solve real business problems — whether it’s a SaaS platform, AI application, eCommerce platform, automation system, FinTech product, blockchain app, trading system, mobile app, desktop application, game, dashboard, or enterprise backend. I value clear communication, dependable delivery, and long-term professional relationships. Let’s build something great together. menos -
Contratar copulas
Hi, Thanks for your visit in our profile page. We are COPULAS Co., Ltd., a small development studio based in Tokyo. We build software for businesses that need more than just "features shipped" we build the kind of systems that teams keep using, long after launch. Our team brings together 15+ years of full-stack...Hi, Thanks for your visit in our profile page. We are COPULAS Co., Ltd., a small development studio based in Tokyo. We build software for businesses that need more than just "features shipped" we build the kind of systems that teams keep using, long after launch. Our team brings together 15+ years of full-stack engineering experience with a new generation's take on how software should be built: fast, AI-native, and honest about what actually works. What we do: ・ UI/UX Design Figma-driven interfaces built around real business goals ・ High-speed, high-quality coding using HTML/CSS/JS, WordPress/PHP, and E-Commerce(Shopify/WooCommerce) ・ React / Next.js / Laravel fast, secure, production-ready applications ・ Full-stack development, cloud infrastructure, and AI solutions ・ AI & Machine Learning LLM integration, RAG architecture, intelligent workflow automation ・ Cloud & DevOps GCP, AWS, Azure, serverless architecture, BigQuery data pipelines ・ Proven delivery on Japanese freelance platforms with long-term client relationships Here's what matters: when you trust us with your project, we take that seriously. We listen before we propose. We communicate clearly. We meet deadlines. We don't disappear after launch. A lot of the clients we work with today came to us with a single small project, and we're still building things together. If you need a team that can take a vague idea and turn it into a production-ready system, clean architecture, fast delivery, no drama we'd love to hear what you're working on. Based in Tokyo. Comfortable in English and Japanese. Small projects welcome. Long relationships preferred. menos -
Contratar xlogicsolutions
xlogicsolutions xlogicsolutions
$25 USD / hora
Full Stack Agency, WordPress & Shopify, AI ExpertsPakistanLooking for one technical team that can build your application, website, integrations, and automation systems? XLogic Solutions is a full-stack development agency delivering scalable web applications, eCommerce stores, CMS websites, AI solutions, mobile apps, and business automation systems. 🌍 U.S. and...Looking for one technical team that can build your application, website, integrations, and automation systems? XLogic Solutions is a full-stack development agency delivering scalable web applications, eCommerce stores, CMS websites, AI solutions, mobile apps, and business automation systems. 🌍 U.S. and Pakistan-based team ⚡ Extended availability across time zones 💼 Trusted by agencies, startups, and growing brands 🏆 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐔𝐬 🔐 Verified agency, 5.0 rating, 100% on-time and on-budget 💎 Led by a Preferred Freelancer with 10+ years of experience ⚡ Full-stack, CMS, AI, automation, mobile, ERP, and Web3 expertise 🛡️ Secure, maintainable, performance-focused development 𝐖𝐡𝐚𝐭 𝐖𝐞 𝐂𝐚𝐧 𝐃𝐨 𝐅𝐨𝐫 𝐘𝐨𝐮 💻 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 SaaS platforms, dashboards, portals, CRM/ERP systems, and custom applications using PHP, Laravel, CodeIgniter, React, Next.js, Node.js, Vue.js, MySQL, and PostgreSQL. 🛒 𝐂𝐌𝐒 & 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 Shopify, WordPress, WooCommerce, Wix, Squarespace, Webflow, and Framer — themes, plugins, apps, migrations, subscriptions, payments, and speed optimization. ⚙️ 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐂𝐑𝐌 n8n, Make, Zapier, and GoHighLevel workflows for lead routing, CRM updates, funnels, campaigns, onboarding, reporting, data sync, and white-label SaaS. 🤖 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬, 𝐑𝐀𝐆 & 𝐂𝐡𝐚𝐭𝐛𝐨𝐭𝐬 AI agents and knowledge systems using OpenAI, Claude, LangChain, LangGraph, LlamaIndex, CrewAI, MCP, and vector databases such as Pinecone, Weaviate, Qdrant, and pgvector. Chatbots for websites, WhatsApp, Telegram, Slack, and Instagram. 🔗 𝐀𝐏𝐈𝐬 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 REST APIs, webhooks, payment gateways, CRM, marketing, email, shipping, and cloud integrations with secure authentication. 📱 𝐌𝐨𝐛𝐢𝐥𝐞, 𝐖𝐞𝐛𝟑 & 𝐎𝐝𝐨𝐨 React Native and Flutter apps; Solidity smart contracts, tokens, NFTs, wallets, Web3.js, Ethers.js, and DeFi; Odoo ERP customization and Python integrations. 🚀 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 & 𝐒𝐜𝐚𝐥𝐢𝐧𝐠 Database optimization, Redis caching, queues, API tuning, legacy cleanup, security, and high-traffic architecture. 🏭 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 eCommerce, SaaS, healthcare, logistics, recruitment, insurance, education, marketing, and memberships. 𝐖𝐡𝐚𝐭 𝐎𝐮𝐫 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐒𝐚𝐲 ⭐⭐⭐⭐⭐ “He got it right the first time.” - 𝐌𝐚𝐫𝐜 𝐅., 𝐔𝐒𝐀 ⭐⭐⭐⭐⭐ “Understands our development requirements and delivers quality results.” - 𝐃𝐚𝐧𝐢𝐞𝐥 𝐑. 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 📩 Send us your platform, requirements, and desired outcome. We’ll define the right approach and implement it properly. Cheers, Team XLogic Solutions menos
