Smart Contracts Experts For Hire
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Hire AwaisChaudhry
ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers and engineers across multiple domains, allowing us to handle both software and embedded/engineering...ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers and engineers across multiple domains, allowing us to handle both software and embedded/engineering projects with proven real-world experience. Our certified team combines deep technical knowledge with hands-on delivery to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using PHP, Wordpress, Python, React, Node.js, Angular.js, Electrong.js Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT (In-house Team): Electronics, Microcontrollers, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, and control systems. With 300+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions delivered with clear communication and long-term support. less -
Hire yasirk1979
Good day, My name is Muhammad Abrar, bringing 16+ years of experience delivering high quality solutions to clients worldwide. I am passionate about turning ideas into scalable, reliable, and efficient digital products, guided by a strong commitment to understanding client goals and delivering measurable results. I...Good day, My name is Muhammad Abrar, bringing 16+ years of experience delivering high quality solutions to clients worldwide. I am passionate about turning ideas into scalable, reliable, and efficient digital products, guided by a strong commitment to understanding client goals and delivering measurable results. I believe true success comes from helping clients succeed, which is why I focus on clear communication, timely execution, and long term value. Alongside my expertise, I am supported by a top tier team of skilled developers/Designers, enabling us to handle complex and large scale projects with consistency, quality, and performance. My area of expertise/skills are given below: - Python, ML, FireBase, Telegram Bot, ChatBots, Trading Bots, Trading Platform, Artificial Intellegence, Odoo, Moodle, CRM etc. - ReactJS, VueJS, ExpressJS, MongoDB, NodeJS, AngularJS - Custom Application Development, CMS Websites designing/development - PCB Design, Electric Circuit, iOT, Any hardware integration etc. - No Code platform, Bubble.io, both Web and Mobile Apps - PHP/MySQL, Laravel framework, CodeIgnitor, Yii framework or any PHP framework - ASP.NET, VB.NET, C#, Azure, Zoho, CRM etc. - WordPress, WooCommerce, Joomla, OpenCart, Prestashop, Magento etc. - Shopify Websites & Apps (Public & Private) - UI/UX, Figma, AdobeXD, HTML, Frontend - Logo Designing, Graphic Design, Banner designing, Social media banners, etc. - Mobile Apps, Native & ReactNative, Flutter, iPhone/iPad Application - Digital Marketing covering Google Ads, Facebook Ads, SEO, On-Page, Off-Page SEO, Social Media Marketing, Contents Writing etc. To find the right outsourcing partner: - I define a clear scope of work & work closely with you - I communicate regularly & arrange audio/video call if needed - I respond you promptly & acknowledge everything - I use agile methodologies in your design/development process - I continue showing you progress time to time from my demo server - I protect your data and intellectual property always - I be flexible, humble and professional throughout the development phase - I provide ongoing support after completion of your project Small to mid-size businesses often don't have the time to keep on top of the ever changing Web world, as they often need to dedicate their time and effort into maintaining their core business. At the same time, they also do not have the resources that a large company has to fund an internet technology department and hire expensive IT workers to keep on top of their web presence. This is where I come in, I provide an affordable solution for these small to mid-size businesses. Please contact me directly for further inquiries, as I am available even during the weekends. Thank you, Muhammad Abrar less -
Hire amazeez1100
I'm Abdul, familiar with Solana Blockchain and Full-stack development. I am a competent guy committed in making your project a SUCCESS and providing the best QUALITY to your SATISFACTION. I have 3 years of experience in developing BOT with JS & Python, I have a deep knowledge and STRONG experience in development of...I'm Abdul, familiar with Solana Blockchain and Full-stack development. I am a competent guy committed in making your project a SUCCESS and providing the best QUALITY to your SATISFACTION. I have 3 years of experience in developing BOT with JS & Python, I have a deep knowledge and STRONG experience in development of SOLANA crypto trading BOT. I have 6 years of experience in Full-stack development with NodeJS & Python. I have designed and developed E-commerce & hospital business platform from scratch. And I am nearly new freelancer who just has been using this platform, also web developer who loves this platform and then like to develop great websites based good ideas from all smart people in the world. I always strive, explore new things and talk with talented people. And also feel hungry about learning New Skills. I learned something new, I am going to master it perfectly. By through these activities, Now I am able to get the world! - My main skills : ✔ Blockchain, RUST, Smart Contract, Solana, Web3 ✔ Solana trading BOT, sniper BOT, copy trader ✔ Web Scraping BOT | Data Scraping BOT | Automation programming ✔ NodeJS, Express, Laravel, ✔ Python, Scrapy, Selenium, Django, Pytorch, Keras ✔ Next.js, React.js, Vue.js ✔ SQL(MySQL,), NoSQL(MongoDB, CouchDB) ✔ HTML5, CSS, Sass/Less, Bootstrap ✔ PHP, JavaScript, jQuery, DHTMLX, Typescript, D3.js, Socket.IO, WebSocket ✔ UI/UX, responsive web I am confident with my skill and if required I can also work efficiently with a team. Looking forward to working with you to grow and help you do the same. less -
Hire housetech
☢ I hope you imagine a digital architect, not just a programmer. Someone who sees the interconnectedness of web, mobile, AI, blockchain, and gaming – and builds bridges between them. That's what I bring to the table. ☀ I am a senior software engineer with over 11+ years of experience specializing in Web & Mobile...☢ I hope you imagine a digital architect, not just a programmer. Someone who sees the interconnectedness of web, mobile, AI, blockchain, and gaming – and builds bridges between them. That's what I bring to the table. ☀ I am a senior software engineer with over 11+ years of experience specializing in Web & Mobile development, Artificial Intelligence, Blockchain, and Unity Game development. ☢ I don't just write code. Your satisfaction is my ultimate goal. I sculpt digital experiences, whether it's powering AI-driven applications, architecting secure blockchain solutions, or crafting immersive game environments. ☀ Here's what sets me apart: - A Global Perspective: Fluent in the language of code and the language of collaboration, I seamlessly navigate international projects. - A Performance-Driven Mindset: I'm obsessed with building scalable architectures that deliver exceptional results. - A Commitment to Innovation: I'm constantly exploring the bleeding edge of technology to push the boundaries of what's possible. - A Focus on Your Vision: I'm not satisfied until your vision is brought to life, exceeding your expectations. I'm not here to just complete tasks; I'm here to partner with you, to understand your goals, and to build solutions that drive your success. ☢ Let's move beyond the ordinary and create something extraordinary. Ready to embark on this exciting project journey together? Let's chat! less -
Hire ma557
I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps,...I provide complete IT services tailored to modern business needs, with a strong focus on Blockchain development, Artificial Intelligence, Machine Learning, Big Data, Web and Mobile app development, E-commerce platforms, and custom software solutions. I specialize in blockchain technologies including DEXs, DApps, NFTs, Web3, smart contracts, and DeFi applications across platforms like Ethereum, BSC, and Polygon. For web and mobile development, I work with Java, Python, PHP, and top JavaScript frameworks such as React.js, Node.js, Angular, and Vue.js—alongside mobile technologies like Flutter and React Native. My e-commerce solutions are built on platforms like WooCommerce, Shopify, and Magento, while my AI and machine learning services leverage tools such as TensorFlow and AWS to create intelligent, data-driven systems. If you're looking for secure blockchain integration, modern web and mobile development, scalable e-commerce systems, or custom AI-driven software, I’m here to help turn your ideas into powerful digital products. less -
Hire REPLATechnology
REPLATechnology REPLATechnology
$30 USD / hour
Top Rated Verified & Confirmed By Freelancer.comPakistanHello, Thank's for taking the time to visit my profile. I’m a Full-stack Experienced Software & Mobile App developer with 10 years of industry experience / Blockchain, Mobile app & Software Development with over 10 years of experience operating as a high-end professional in the Blockchain & Software Industry. My...Hello, Thank's for taking the time to visit my profile. I’m a Full-stack Experienced Software & Mobile App developer with 10 years of industry experience / Blockchain, Mobile app & Software Development with over 10 years of experience operating as a high-end professional in the Blockchain & Software Industry. My clients consistently receive polished work in a timely manner with constant communications and updates. I offer a number of services through my expertise: ● ✔ BlockChain Development ● ✔ NFT Development ● ✔ Software Development ● ✔ Web App Development ● ✔ Artificial intelligence Projects ● ✔ Mobile App Development (IOS & Android) ● ✔ Website Development ● ✔ Application Design (UI / UX) ● ✔ Figma / XD ● ✔ Website Design ● ✔ Brand Identity Design My portfolio is chock full of these design elements, and I highly suggest you peruse it to better understand my style, work & vision. Along with a team of 18 professional developers who aide me in my design, I hold my skills in high regard & would love to use them to help you create a Best Product for your business. shoot me a message! I’m available through Freelancer & will respond ASAP so that we can break down your needs and decide exactly how we will tackle them. Thanks, & have a great day, Regards less -
Hire mykhaylob4
With 10+ years of hands-on experience in crafting scalable and secure decentralized ecosystems, I specialize in next-gen smart contract development, cross-chain interoperability, and AI-integrated dApps. Passionate about driving the evolution of Web3 and redefining digital trust. ✦ Advanced proficiency in Solidity,...With 10+ years of hands-on experience in crafting scalable and secure decentralized ecosystems, I specialize in next-gen smart contract development, cross-chain interoperability, and AI-integrated dApps. Passionate about driving the evolution of Web3 and redefining digital trust. ✦ Advanced proficiency in Solidity, Vyper, Move, Rust, and TypeScript ✦ In-depth knowledge of Ethereum L2s (zkSync, Starknet, Arbitrum), Modular Chains (Celestia, Avail), and App Chains (Cosmos, Substrate) ✦ Expertise in zk-Rollups, Validium, and Optimistic Rollups for ultra-scalable, low-cost dApps ✦ Deep experience with Account Abstraction (ERC-4337) and Smart Wallet infrastructure ✦ AI + Web3 integrations using ChainML, Bittensor, and autonomous agent frameworks ✦ Proficient with smart contract security auditing, formal verification, and bug bounty protocols ✦ Familiar with Intent-based UX, multi-chain SDKs, and gasless transactions ✦ Skilled in Interoperability Protocols (IBC, Wormhole, LayerZero) ✦ Strong grasp of decentralized storage with IPFS, Filecoin, and Arweave ✦ Experience building Decentralized Identity (DID) and Soulbound Token systems ✦ Contributor to open-source DAO tooling, governance frameworks, and DePIN networks ? What I Bring to the Table: ✦ Next-Gen dApps: Leveraging AI, zk-tech, and modular infrastructure to deliver future-ready applications ✦ Zero to One Builds: From whitepaper to mainnet, crafting robust, scalable Web3 ecosystems ✦ Security-First Architecture: Deep focus on auditability, secure patterns, and threat mitigation ? ✦ User-Centric Web3 UX: Implementing frictionless onboarding with smart accounts, intents, and mobile-first design ✦ Cross-Chain Fluency: Building seamless, composable experiences across ecosystems ? ✦ Timely & Agile Delivery: Fast iteration cycles, clean code, and clear documentation ✦ Vision Alignment: Collaborative approach to help founders and teams innovate at the frontier of blockchain less -
Hire Tafsol
TAFSOL TECHNOLOGIES Group!! Aiming to deliver $10M+ Projects in 2026–2027 Proud Official Odoo Partner — delivering intelligent, enterprise-grade ERP & CRM solutions for global business excellence. 25th profound member of the OpenJS Foundation, among tech giants like Google, Microsoft, IBM, Uber, and...TAFSOL TECHNOLOGIES Group!! Aiming to deliver $10M+ Projects in 2026–2027 Proud Official Odoo Partner — delivering intelligent, enterprise-grade ERP & CRM solutions for global business excellence. 25th profound member of the OpenJS Foundation, among tech giants like Google, Microsoft, IBM, Uber, and Coinbase. Actively contributing to Official WordPress, the platform powering millions of websites. TAFSOL Technologies is an Award-Winning Digital Agency recognized by Clutch.co and Manifest as: 1. TOP B2B SERVICES by Clutch.co in Mobile App Development 2. MOST REVIEWED COMPANIES by The Manifest in Software Development Our team of skilled professionals has extensive experience in providing a wide range of digital services such as: ✅ AI Development & Integration to transform your business ✅ Mobile App Design and Development ✅ CRM Design and Development ✅ SAAS-based platform Design and Development ✅ ERP solutions Design and Development ✅ Website Design and Development ✅ Blockchain and smart contracts Development on Ethereum, BNB Smart Chain, Solana, Polygon, etc. ✅ PLC and SCADA System Support for industrial automation ✅ Logo and Graphics Designing ✅Linux recovery, database repair, and website rebuilds. Tech Stack We Are Proficient In: Frontend Development Frameworks ✅Reactjs ✅Nextjs ✅Vuejs ✅Angular ✅React Native ✅TypeScript ✅Tailwind CSS ✅Bootstrap ✅Storybookjs Backend Development Frameworks ✅Nodejs ✅Expressjs ✅Nestjs ✅Typescript ✅ASP.net ✅Core PHP ✅PHP Laravel ✅Python ✅Django ✅FastAPI ✅REST APIs ✅GraphQL ✅SOAP APIs Mobile Development ✅React Native ✅Flutter Databases ✅PostgreSQL ✅MongoDB ✅MySQL ✅SQL ✅Redis ✅Supabase ✅Neo4j (Graph Database) ✅Pinecone ✅Weaviate ✅FAISS ✅Chroma ✅pgvector Cloud and DevOps ✅AWS ✅Google Cloud ✅Microsoft Azure ✅Docker ✅Kubernetes ✅CI CD pipelines ✅Nginx AI and Automation ✅OpenAI APIs ✅RAG pipelines ✅Vector databases ✅LangChain ✅AI agents ✅OCR pipelines ✅Computer vision integrations CMS and Ecommerce ✅WordPress ✅Shopify ✅WooCommerce ✅Headless CMS ✅Sanity ✅Strapi Payments and Integrations ✅Stripe ✅PayPal ✅Affirm ✅Twilio ✅SendGrid ✅Google Maps API ✅Zapier Industrial Automation and Control Systems ✅PLC Programming ✅SCADA System Development ✅HMI Design ✅Industrial IoT integrations ✅Modbus communication ✅OPC UA integration ✅Siemens PLC systems ✅Allen Bradley PLC systems ✅Factory automation dashboards What We Offer: ✅ 100% Client Satisfaction Rate ✅ 200+ Years of Accumulated Team Experience ✅ 1500+ Satisfied Clients ✅ 140+ In-house Resources ✅ Clients in 55+ Countries ✅ Quick Response Time < 2–3 Hours ✅ 5-Star Rated Profile Across All Platforms ✅ Dedicated Project Managers with Fluent English ✅ Support 5 Days/Week in EST, PST, MST, GMT (Partial Weekend Support) ✅ Physical Presence in the UK, USA, UAE, and PK Let’s start a chat here on Freelancer to discuss your project and share our ideas with you. Thanks for Visiting our Profile!! less -
Hire aqibnasim
SiliconNexus is a technology solutions provider dedicated to helping businesses succeed in a rapidly changing world. We specialize in the development of sustainable, end-to-end solutions that are tailored to meet the specific needs of our clients. Our team of experienced professionals is committed to providing the...SiliconNexus is a technology solutions provider dedicated to helping businesses succeed in a rapidly changing world. We specialize in the development of sustainable, end-to-end solutions that are tailored to meet the specific needs of our clients. Our team of experienced professionals is committed to providing the highest quality solutions that are secure, scalable, and cost-effective. We stay at the forefront of technology and leverage the latest innovations to create solutions that are reliable and easy to use. ⭐ Services We Offer ✔ Web 2.0 ☑️ UX/UI research & design ☑️ Frontend development: React.js, Vue.js, Typescript ☑️ Backend development: Python (Django), Node.js, ☑️ Mobile app development: Flutter, React Native ✔ Web3.0 & Blockchain Solutions ☑️ Chains - Ethereum, EOS, Solana, Binance, Polygon ☑️ Smart contracts = ERC20, ERC721, ERC721A, ERC1155 ☑️ DeX's - Pancake Swap, Uniswap, Sushi Swap ☑️ DAO - From smart contract development to DAO governance ☑️ dApps - NFT minting buy, sell OR digital assess buy / sell OR Identity management etc. ☑️ Hyper-ledgers - Substrate [custom chain development] ✔ Embedded Systems Development ☑️ Hardware Design - PCB , High Speed, antennas & FPGA's ☑️ Drivers Development - I2C, CAN, USART, PCIe, AXI, DMA, Interrupt Controllers ☑️ Embedded Linux - Yocto , BitBake, ☑️ IOT application development - BLE, LTE 4G, 5G, LoraWAN, Zigbee, WiFi & Wifi6 ☑️ Cloud Integrations - GoogleCloud, Azure, AWS ☑️ Hardware Design & Verification Services - RISCV SoC design & verification ⭐ Our commitment ✅ 100% work quality ✅ Project demonstration & documentation ✅ Active support against any issue (even after deployment) ✅ 15 hours free-of-cost maintenance & support ✅ Free Discovery sessions & project consultation At SiliconNexus, we believe in building long-term partnerships with our clients. Our commitment to customer service and excellence ensures that we exceed our clients’ expectations. We are passionate about helping our clients stay ahead of the competition by providing them with the best technology solutions available. Silicon Nexus Business Development & Consultant Book a Free Consultation Call less -
Hire justinp305
Judgment. Context. Responsibility. That is the real job. I am a senior engineer who thinks end-to-end, not just about implementation, but about the full problem, the constraints around it, and the outcome it needs to drive. I challenge requirements, ask the right questions, push back when needed, and take ownership...Judgment. Context. Responsibility. That is the real job. I am a senior engineer who thinks end-to-end, not just about implementation, but about the full problem, the constraints around it, and the outcome it needs to drive. I challenge requirements, ask the right questions, push back when needed, and take ownership of results. Not someday. Right now. I can paste a detailed spec into Claude and get working code in minutes. That is useful. But the real value I bring is the part AI cannot replace: deciding what should be built, why it matters, what tradeoffs make sense, and how to solve the problem responsibly. To me, software engineering is not just writing code. It is solving real problems within real constraints. I bring 9 years of experience building modern, responsive, and high-performing web and mobile applications. My core expertise includes React, React Native, Next.js, WordPress, Shopify, AEM, Webflow, Node.js, PHP, and Python. less
