Etherium Application Developers For Hire
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Sponsored Freelancers
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Hire melopgabriel
I'm a Full-Stack Web, Mobile, Blockchain & AI Expert with extensive experience building modern, scalable, and high-performing digital products from concept to deployment. I specialize in building AI-powered chatbots and conversational agents — from customer support and lead-qualification bots to RAG-based knowledge...I'm a Full-Stack Web, Mobile, Blockchain & AI Expert with extensive experience building modern, scalable, and high-performing digital products from concept to deployment. I specialize in building AI-powered chatbots and conversational agents — from customer support and lead-qualification bots to RAG-based knowledge assistants — integrating LLM APIs (OpenAI, Claude) into production-ready backends. I help startups, agencies, and businesses transform ideas into production-ready applications by combining clean development practices with the latest AI and automation technologies. Whether you need a custom web platform, mobile application, AI-powered solution, or workflow automation, I deliver reliable, maintainable solutions focused on performance, scalability, and user experience. ⭐⭐⭐⭐⭐What I can help you with ⭐ AI Chatbots & AI Agents ⭐ AI Integration (OpenAI, Claude, Gemini, LangChain, MCP) ⭐ Workflow Automation (n8n, Make.com, Zapier) ⭐ Full-Stack Web Development (React, Next.js, Vue.js, Laravel, Node.js, PHP) ⭐ REST APIs & Third-Party API Integrations ⭐ Mobile App Development (React Native, Flutter, Android, iOS) ⭐ Database Design (PostgreSQL, MySQL, Supabase, Firebase) ⭐ Blockchain Development (Solidity, Go, Flutter) and ICO handling ⭐ WordPress & WooCommerce Development ⭐ Shopify Store Development & Customization ⭐ AWS, Vercel, DigitalOcean & Cloud Deployments ⭐ Performance Optimization & Bug Fixing ⭐⭐⭐⭐⭐Why clients work with me ⭐ Clean, scalable, and well-documented code ⭐Strong communication and regular progress updates ⭐ Detail-oriented with a focus on quality ⭐Fast turnaround without compromising reliability ⭐Long-term support after project delivery ⭐Problem-solving mindset for complex technical challenges I believe great software is more than just writing code—it's about understanding business goals and building solutions that create measurable value. I take ownership of every project and work closely with clients to ensure the final product exceeds expectations. If you're looking for a dependable developer who can build, improve, or automate your business with modern web, mobile, blochain and AI technologies, I'd be happy to discuss your project. less -
Hire Abror86
Full-stack web developer with strong experience building and shipping production applications across the modern stack. Backend: PHP (Core, Laravel, CakePHP), Python (Django, Flask), and Node.js (Express) with MySQL, PostgreSQL, and MongoDB. Frontend: React.js, Vue.js, Next.js, JavaScript ES6+, HTML5, CSS3, and...Full-stack web developer with strong experience building and shipping production applications across the modern stack. Backend: PHP (Core, Laravel, CakePHP), Python (Django, Flask), and Node.js (Express) with MySQL, PostgreSQL, and MongoDB. Frontend: React.js, Vue.js, Next.js, JavaScript ES6+, HTML5, CSS3, and Tailwind CSS, with clean, responsive UI work from Figma/Adobe XD designs. I build custom websites and eCommerce stores (WordPress, Shopify, PrestaShop), REST APIs and integrations (PayPal, OpenAI/GPT-4, Claude), and AI-powered features — chatbots, LLM integration, and workflow automation with n8n. Comfortable with the full delivery pipeline: Docker, Git/GitHub, CI/CD, Linux (Ubuntu), Nginx/Apache, cPanel, and AWS. I focus on reliable, well-tested code, clear communication, and delivering exactly what the client needs — on time. Available for both quick fixes and long-term projects. less -
Hire longngoc2307
I design and build reliable software that helps businesses automate processes, improve efficiency, and scale with confidence. From custom applications to complex system integrations, I deliver secure, high-performance solutions with clean architecture, maintainable code, and a strong focus on long-term success.I design and build reliable software that helps businesses automate processes, improve efficiency, and scale with confidence. From custom applications to complex system integrations, I deliver secure, high-performance solutions with clean architecture, maintainable code, and a strong focus on long-term success. less -
Hire PravinPersonal
Hi, I'm Pravin — a full-stack developer who turns ideas and designs into clean, fast, production-ready web apps. Whether you need a pixel-perfect landing page hand-coded from a Figma file, a React/Next.js app wired to live APIs, or a Python automation/bot running on your own server, I build it properly: clean code,...Hi, I'm Pravin — a full-stack developer who turns ideas and designs into clean, fast, production-ready web apps. Whether you need a pixel-perfect landing page hand-coded from a Figma file, a React/Next.js app wired to live APIs, or a Python automation/bot running on your own server, I build it properly: clean code, modular structure, and easy to maintain. I don't rely on page-builders or bloated templates. Everything I deliver is hand-written, well-organised, and documented — so you (or your next developer) can extend it without untangling a mess. What I can build for you: 🎨 Frontend — Semantic HTML5, modern CSS (Flexbox/Grid), pixel-perfect responsive design, React, Next.js, Angular ⚙️ Backend & APIs — Node.js, Express, Python (FastAPI), REST APIs, authentication, integrations 🗄️ Databases — MongoDB, PostgreSQL, Supabase, Redis (clean CRUD + secure connections) 🤖 Automation & Bots — Telegram/Discord bots, scrapers, workflow automations 🚀 DevOps — Docker, CI/CD, deployment to your server or cloud, with setup docs ⛓️ Specialty: Blockchain / Web3 — smart contracts, dApps, and tokenization (a bonus if your project needs it) How I work: ✅ I take time to understand your requirement first — no guesswork ✅ Clean, commented, modular code + a clear README so you can run it yourself ✅ Testing proof (screenshots/screencast) so you see it working before we close ✅ Quick, clear communication and fast turnaround ✅ Responsive to feedback throughout the build I'm building my reputation here on Upwork, which means you get a developer who is genuinely invested in delivering quality and earning a great review. If you have a project in mind, send me a message — happy to discuss the details and get started. Let's build something clean and reliable together. 🚀 less
