Solidity Experts For Hire
Showing 58 results
Sponsored Freelancers
-
Hire ToUpSolutions
Hire a senior software engineer OR a team of seniors as you prefer! Company site: https://toupsolns.com ToUp Solutions is a technology-driven software engineering company specializing in the development of high-performance digital platforms, scalable web applications, and advanced Web3 integrations. We design and...Hire a senior software engineer OR a team of seniors as you prefer! Company site: https://toupsolns.com ToUp Solutions is a technology-driven software engineering company specializing in the development of high-performance digital platforms, scalable web applications, and advanced Web3 integrations. We design and build innovative software solutions that empower businesses to transform complex ideas into reliable, production-ready digital products. Our expertise spans across software architecture, blockchain technologies, AI-driven platforms, and full-stack development, enabling us to deliver robust systems capable of processing large-scale data and supporting modern digital ecosystems. We combine strong engineering practices with modern technologies including Python, Rust, Golang, JavaScript/TypeScript, React, Django, and Solidity to build secure, scalable, and high-performance solutions. ToUp Solutions has contributed to the development of multiple complex platforms, including blockchain analytics systems, decentralized exchange data platforms, enhanced search tool, hiring marketplace and no-code marketing analytics & data integration platform, helping organizations innovate and scale in rapidly evolving digital markets. Our mission is simple: deliver powerful technology solutions that transform ideas into real-world digital experiences. Our Proud Projects: DEXUtils: https://app.dexutils.io C4ADS Seamless Horizons: https://horizons.c4ads.org Xpert Direct: https://xpertdirect.io Windsor.ai: https://windsor.ai Looking forward a good collaboration for your business success! less -
Hire milankoladiya001
milankoladiya001 milankoladiya001
$12 USD / hour
AI Product Engineer | Lovable Cursor Replit DevIndiaI’m 𝗠𝗶𝗹𝗮𝗻 𝗞𝗼𝗮𝗹𝗱𝗶𝗮𝘆, a 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with a strong track record of delivering scalable, high-performing web and mobile applications for startups and enterprises. I focus on turning ideas into reliable digital products with clean architecture, strong performance, and timely delivery. Over time, I have...I’m 𝗠𝗶𝗹𝗮𝗻 𝗞𝗼𝗮𝗹𝗱𝗶𝗮𝘆, a 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with a strong track record of delivering scalable, high-performing web and mobile applications for startups and enterprises. I focus on turning ideas into reliable digital products with clean architecture, strong performance, and timely delivery. Over time, I have successfully contributed to 79+ projects, maintaining 100% on-time and on-budget delivery. I understand that choosing the right developer is not just about coding, it’s about clear communication, understanding the vision, and delivering results without friction. I specialize in building secure and scalable applications, including AI-powered solutions, modern web platforms, and mobile apps. Whether you're launching a new product or improving an existing one, I can help you move forward efficiently. 🧠 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 🤖 𝗔𝗜 𝗧𝗼𝗼𝗹𝘀: - Cursor, Replit, Codex, Google AI Studio, Windsurf, Copilot(Github), Locofy, Codia, ChatGPT as per client requirement 🎨 𝗨𝗜/𝗨𝗫 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀: - HTML5, CSS3, SASS/LESS, TailwindCSS, Material UI, Ant Design, Vuetify, React-Bootstrap, BlueprintJS ⚛️ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 & 𝗠𝗼𝗯𝗶𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: - ReactJS, Next.js (SSR), Vue.js, Nuxt.js, Angular - React Native, Flutter, Ionic Framework, Android & iOS - State Management: Redux, MobX, Thunk, Saga 🛠 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: - Node.js, Express.js, NestJS, MVC architecture - GraphQL, REST APIs, gRPC/tRPC, WebSockets (Socket.io) 🗃 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: - MongoDB, PostgreSQL, MySQL, Firebase, DynamoDB (SQL & NoSQL) ☁️ 𝗖𝗹𝗼𝘂𝗱 & 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: - AWS, GCP, Firebase Functions, Hasura, Heroku, Netlify, Vercel, Cloudflare 🔧 𝗧𝗼𝗼𝗹𝘀 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄: - Git, GitHub, GitLab, Bitbucket - Project Management: Jira, Trello, Asana ⭐ 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 ✅ Clear and honest communication ✅ Fast delivery with high-quality code ✅ Flexible engagement (project-based or ongoing support) ✅ Long-term collaboration mindset If you're looking for a reliable developer who can deliver more than just code and truly support your product journey, let’s connect. I’d be happy to discuss your project and help bring your ideas to life. 📩 Let’s build something great together. less -
Hire diogos47
Senior Full-Stack & Embedded System Engineer with 13+ years building production systems across embedded IoT, AI, Web3, mobile, and backend infrastructure. Design and ship software end to end — from bare-metal board bring-up and custom Linux distributions to cloud-connected backend systems and user-facing...Senior Full-Stack & Embedded System Engineer with 13+ years building production systems across embedded IoT, AI, Web3, mobile, and backend infrastructure. Design and ship software end to end — from bare-metal board bring-up and custom Linux distributions to cloud-connected backend systems and user-facing applications. Clean architecture, secure implementation, and delivery grounded in real-world hardware constraints. Comfortable owning the full stack — from kernel space to cloud infrastructure — so projects move without coordination overhead. 🎯 SYSTEMS THINKING - Scalable, modular architecture - Edge cases addressed early - Long-term maintainability over quick patches EMBEDDED LINUX & IoT - Custom Linux distributions (Yocto, Buildroot, BSP) — board bring-up, kernel development, driver integration across x86, ARM, and RISC-V - OTA update infrastructure, A/B partitioning, secure boot, TPM 2.0 encryption, read-only rootfs, fleet provisioning - Peripheral and connectivity protocols — UART, SPI, I2C, CAN bus, USB, BLE, MQTT, cellular, LoRa - Production targets — industrial gateways, POS terminals, medical devices, kiosk appliances, edge compute nodes AI & AUTOMATION - LLM-based systems, RAG pipelines, AI agents - OpenAI API and custom model integrations - Edge AI inference — TensorFlow Lite, ONNX Runtime on embedded targets - Workflow automation and data pipelines BACKEND & WEB - FastAPI, RESTful APIs, authentication systems - React and Next.js applications - Real-time and event-driven architecture - Full LEMP/LAMP stack deployment and optimization MOBILE APPS - API-first mobile architecture - Secure authentication and real-time features - Production-ready builds and deployment WEB3 - Smart contracts in Solidity and Rust - EVM and Solana ecosystems - DeFi protocols, token mechanics, on-chain integrations If you need someone who can take ownership, reduce moving parts, and ship cleanly without constant supervision, we'll work well together. less -
Hire Web1devloper
Hello, I'm Harsh, an accomplished developer with over 8 years of hands-on experience in crafting dynamic web and app solutions . My journey began in a dynamic IT company where I honed my skills while collaborating on innovative projects. Now, I've embarked on a freelancing adventure to bring my expertise directly to...Hello, I'm Harsh, an accomplished developer with over 8 years of hands-on experience in crafting dynamic web and app solutions . My journey began in a dynamic IT company where I honed my skills while collaborating on innovative projects. Now, I've embarked on a freelancing adventure to bring my expertise directly to clients like you. ➡️Our Tech-Stack- ➡️Front-end ✅HTML ✅CSS ✅Tailwind Css ✅Material UI ✅Bootstrap ✅JavaScript ✅TypeScript ✅React.js ✅Next.js ✅React Native ✅Redux ➡️Back-end ✅Node.js ✅Express.js ✅Flask ✅Django ➡️Databases ✅MongoDB ✅MySQL ➡️DevOps ✅Linux ✅Git ✅GitHub ✅Docker ✅CI/CD ➡️Cloud Services ✅AWS (EC2, Amplify, S3, Route53, RDS etc.) ✅GCP ✅Digitalocean ✅Hostinger ✅Godaddy ➡️UI/UX Design ✅Figma ✅Adobe XD ➡️Blockchain ✅Solidity ✅Web3.js ✅ Ether.js less -
Hire owebest
Award-Winning Software Development & AI Solutions Company 150+ Experts | 1000+ Projects Delivered | Clients Across 25+ Countries | CMMI Level 3 Company Owebest Technologies Pvt. Ltd. is a trusted technology partner helping startups, SMEs, and enterprises build innovative digital products, automate business processes,...Award-Winning Software Development & AI Solutions Company 150+ Experts | 1000+ Projects Delivered | Clients Across 25+ Countries | CMMI Level 3 Company Owebest Technologies Pvt. Ltd. is a trusted technology partner helping startups, SMEs, and enterprises build innovative digital products, automate business processes, and accelerate growth through modern software solutions and artificial intelligence. From MVP development to large-scale enterprise platforms, our team delivers secure, scalable, and high-performance solutions tailored to your business goals. ⭐ Why Owebest? ✅ Award-Winning & Top-Rated Development Team ✅ AI-First Product Development Approach ✅ Dedicated Developers, Designers & AI Engineers ✅ Agile Development & Transparent Communication ✅ Long-Term Support & Product Maintenance ✅ Enterprise-Grade Architecture & Security ✅ Fast Response & Reliable Delivery ## Artificial Intelligence & Automation ✅ AI Agents & Multi-Agent Systems ✅ OpenAI, Claude, Gemini & LLM Integrations ✅ RAG (Retrieval-Augmented Generation) ✅ AI Chatbots & Virtual Assistants ✅ Workflow & Business Process Automation ✅ OCR & Intelligent Document Processing ✅ Computer Vision & Image Recognition ✅ Predictive Analytics & Custom AI Solutions ## Web & Software Development ✅ Laravel ✅ Node.js ✅ Python ✅ Django ✅ FastAPI ✅ ASP.NET ✅ REST APIs ✅ GraphQL ✅ Enterprise Applications ✅ SaaS Platforms ## Mobile, TV & Emerging Technologies ✅ Flutter ✅ React Native ✅ Android ✅ iOS ✅ Android TV ✅ Apple TV (tvOS) ✅ Wearable Applications ✅ Smart Watch Applications ✅ AR (Augmented Reality) ✅ VR (Virtual Reality) ✅ Cross-Platform Applications ## Frontend Technologies ✅ React.js ✅ Next.js ✅ Vue.js ✅ Angular ✅ TypeScript ✅ Tailwind CSS ## ERP, CRM & Enterprise Solutions ✅ Custom ERP Development ✅ CRM Development ✅ Manufacturing ERP Solutions ✅ Garment ERP Solutions ✅ Inventory Management Systems ✅ Merchant & Vendor Management Platforms ✅ Salesforce ✅ Zoho ✅ Odoo ✅ HubSpot ✅ Klaviyo ## Blockchain & Web3 Development ✅ Smart Contracts ✅ DeFi Applications ✅ NFT Platforms ✅ Cryptocurrency Wallets ✅ Token Development ✅ Ethereum ✅ Solana ✅ Polygon ✅ Binance Smart Chain (BSC) ✅ Web3 Integrations ## Cloud, DevOps & Infrastructure ✅ AWS ✅ Google Cloud Platform ✅ Microsoft Azure ✅ Docker ✅ Kubernetes ✅ CI/CD Pipelines ✅ Linux Server Administration ✅ High Availability & Performance Optimization ## Databases ✅ MySQL ✅ PostgreSQL ✅ MongoDB ✅ Redis ✅ Pinecone ✅ Weaviate ✅ ChromaDB ✅ pgvector ✅ Quadrant ## E-Commerce & CMS ✅ Shopify ✅ WooCommerce ✅ WordPress ✅ Headless CMS ✅ Custom E-Commerce Platforms ✅ Shopware ✅ Magento ## Industries We Serve 🏭 Manufacturing 🏥 Healthcare 🎓 Education ✈️ Travel & Hospitality 🛒 E-Commerce & Retail 🚚 Logistics & Supply Chain 💳 FinTech 🏋️ Sports & Fitness 🏢 Real Estate and Many more.... Let's discuss your project and explore how Owebest can help turn your vision into a successful digital product. less -
Hire remonk0
Top 1% Full Stack Developer | Web&Mobile&AI I build modern, scalable, and AI-powered digital products for businesses that want more than just basic development. As an AI-Powered Full Stack Developer, I specialize in creating complete web and mobile solutions using Machine Learning, Node.js, CMS platforms, APIs, and...Top 1% Full Stack Developer | Web&Mobile&AI I build modern, scalable, and AI-powered digital products for businesses that want more than just basic development. As an AI-Powered Full Stack Developer, I specialize in creating complete web and mobile solutions using Machine Learning, Node.js, CMS platforms, APIs, and modern frontend technologies. I can help you turn your idea into a clean, fast, secure, and production-ready product. Over the years, I have helped startups, businesses, and entrepreneurs build powerful platforms that automate workflows, improve user experience, and generate real business value with strong expertise in Trading/FinTech Development, Machine Learning, FinTech Systems, Web Applications, Mobile Apps, and Backend Architecture. I don’t just write code - I build smart systems that solve problems, scale efficiently, and help businesses grow. ✅I can help you with: ✔AI-powered web applications ✔Machine learning integrations ✔AI-Based Trading Strategies ✔Real-Time Market Data Processing ✔Backtesting & Analytics Platforms ✔Full stack web development ✔Node.js backend development ✔REST API development ✔CMS websites and custom CMS solutions ✔Mobile app development ✔Admin dashboards and SaaS platforms ✔E-commerce websites ✔Automation tools ✔Database design and optimization ✔Deployment and long-term support ✅My core skills include: ✔AI/ML: Machine Learning, LLM, OpenAI API, AI automation, chatbots, recommendation systems ✔Backend: Node.js, Express.js, REST APIs, MongoDB, MySQL, PostgreSQL ✔Frontend: React.js, Next.js, Angular, TypeScript, HTML, CSS, MUI, Tailwind CSS ✔CMS: WordPress, Shopify, Webflow, custom CMS development ✔Mobile: React Native, Flutter, cross-platform mobile apps ✔Tools: GitHub, Docker, Firebase, AWS, CI/CD, Vercel ✅Why hire me? - I focus on building solutions that are not only technically strong but also useful for your business. I write clean code, communicate clearly, meet deadlines, and provide reliable support after delivery. - Whether you need an AI feature, a business website, a CMS platform, a mobile app, or a complete full stack product, I can deliver a high-quality solution from concept to launch. Let’s build something powerful, modern, and scalable together. less -
Hire danielboggs
danielboggs danielboggs
$60 USD / hour
Exceed Your Expectation! Let's Do It Together!!United StatesWe deliver custom software solutions for startups, growing businesses, and modern enterprises that need reliable, scalable, and results-driven technology. With 10+ years of experience, our team of Software Engineers, Backend Developers, Systems Software Engineers, Database Developers, Cloud Application Developers,...We deliver custom software solutions for startups, growing businesses, and modern enterprises that need reliable, scalable, and results-driven technology. With 10+ years of experience, our team of Software Engineers, Backend Developers, Systems Software Engineers, Database Developers, Cloud Application Developers, .NET Developers, ASP.NET Core Developers, API Developers, C# Developers, and C/C++ Developers builds and improves digital products across AI, web, mobile, desktop, e-commerce, blockchain, iGaming, automation, and enterprise data systems. We support projects from product planning, system architecture, and database design to software development, testing, deployment, cloud infrastructure, and long-term optimization. Our core expertise includes: - AI automation and intelligent business workflow systems - Custom web, mobile, desktop, and cloud application development - Software engineering for enterprise-grade and business-critical applications - Backend development with scalable, secure, and high-performance architectures - .NET and ASP.NET Core application development - RESTful API development, third-party API integration, and microservices - C#, C/C++, and systems software development - Database design, optimization, migration, and performance tuning - Cloud-native application development and deployment - E-commerce platforms and tailored business functionality - Blockchain applications and smart contract solutions - iGaming, sportsbook, casino, and betting platform development - Payment gateway, wallet, KYC/AML, and responsible gaming integrations - Data engineering, business process automation, and analytics pipelines - UI/UX-focused product implementation - Performance optimization, application monitoring, and system modernization - QA, software security, DevOps, CI/CD, and infrastructure automation We believe exceptional software comes from clear communication, practical engineering, and consistent execution. Our goal is to build software that is secure, maintainable, scalable, and ready for long-term business growth while delivering measurable value to every client. less -
Hire klymenkoartur
klymenkoartur klymenkoartur
$20 USD / hour
Senior Website developer ⭐️ SEO ⚡ CMS ✅ WordPressUkraineI am a highly skilled ⭐️ Senior ✅ Fullstack-Stack web developer ⚡ with over 7 years of experience ⭐️ specializing in backend development and cutting-edge web technologies. My expertise ⚡ spans a wide range of frameworks, CMS platforms, and modern development tools, allowing me to create high-performance, scalable, and...I am a highly skilled ⭐️ Senior ✅ Fullstack-Stack web developer ⚡ with over 7 years of experience ⭐️ specializing in backend development and cutting-edge web technologies. My expertise ⚡ spans a wide range of frameworks, CMS platforms, and modern development tools, allowing me to create high-performance, scalable, and visually appealing web solutions. SKILLS: ✅ HTML/CSS; ✅ Bootstrap/Tailwind; ✅ Javascript/Node.js; ✅ CodeIgniter; ✅ Laravel; ✅ Yuii2; ✅ Wordpress/woocommerce; ✅ WebFlow; ✅ OpenCart; ✅ PrestaShop; ✅ Open Graph ✅ Nest.js/Express.js; ✅ MYSQL/MongoDB/PosgreSQL; ✅ Telegram bots; ✅ Python; ✅ Vue/Nuxt.js; ✅ React/Next.js/Gatsby.js; ✅ Django/Flask/aiogram/pyTelegramAPI; ADVANTAGES OF WORKING WITH ME ? ⭐️ Fast and efficient project implementation; ⭐️ Always in touch; ⭐️ Ability to create unique and visually appealing web projects; ⭐️ High quality standards; ⭐️ I use only the latest technologies in website development to make your website beautiful not only visually but also no technically; less -
Hire markupdudes
I help businesses turn ideas into powerful, AI-driven applications that boost efficiency, engage users, and scale with ease. I’m a full-stack developer with strong expertise in Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs). I build smart, data-driven applications that integrate...I help businesses turn ideas into powerful, AI-driven applications that boost efficiency, engage users, and scale with ease. I’m a full-stack developer with strong expertise in Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs). I build smart, data-driven applications that integrate intelligent automation, natural language processing (NLP), and predictive analytics to deliver innovative, scalable solutions for businesses. On the backend, I work extensively with Python (Django, Flask, FastAPI), Node.js, and PHP frameworks including Laravel, CodeIgniter, Joomla, and Magento. On the frontend, I develop modern, high-performance web and mobile applications using ReactJS, React Native, Swift/SwiftUI for iOS, and Kotlin/Jetpack Compose for Android. I also specialize in custom WordPress development, from theme and plugin creation to full-scale, tailored CMS solutions, ensuring functionality matches your exact needs. My UI/UX toolkit covers HTML, CSS, JavaScript, jQuery, and Bootstrap, with a focus on clean, user-friendly design. Beyond application development, I have hands-on experience with Blockchain-based applications, Cloud management (AWS, Azure, Google Cloud), and DevOps workflows (CI/CD pipelines, containerization with Docker/Kubernetes, and server automation). My approach is to combine technical expertise with an understanding of business goals, delivering high-quality, scalable, and future-ready solutions that not only meet but exceed client expectations. less -
Hire carlosandresa7
I am a Full-Stack Developer with many years of experience building scalable web and mobile applications for startups, businesses. I specialize in designing and developing end-to-end solutions, from frontend user interfaces to backend APIs, databases, and cloud deployment. My goal is simple: deliver reliable,...I am a Full-Stack Developer with many years of experience building scalable web and mobile applications for startups, businesses. I specialize in designing and developing end-to-end solutions, from frontend user interfaces to backend APIs, databases, and cloud deployment. My goal is simple: deliver reliable, scalable, and high-performance software that helps businesses grow. less
