Smart Contracts Experts For Hire
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Sponsored Freelancers
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We are Canadian-Ukrainian team of highly professional software developers and system administrators with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript,...We are Canadian-Ukrainian team of highly professional software developers and system administrators with more than 20 years expertise. OUR MAIN SPECIALIZATIONS: 1) WEB DEVELOPMENT & SOFTWARE DEVELOPMENT 1.1) FRONT-END: HTML, HTML5, CSS3, Bootstrap, TailwindCSS 1.2) JAVASCRIPT: JavaScript, ES6+, Typescript, Node.js, MEAN, MERN, MEVN, Angular, React.js, Vue.js, Nuxt.js, Next.js, Gatsby.js, jQuery 1.3) BACK-END 1.3.1) LAMP (Linux, Apache, MySQL, PHP) including Symfony, Laravel, Yii, Zend, CodeIgniter, CakePHP 1.3.2) Python (Python, Django, Flask, FastAPI) 1.3.3) .NET stack technologies (C#, ASP.NET, .NET Core) 1.4) OPEN SOURCE SOLUTIONS 1.4.1) E-commerce Platforms: Shopify, Magento, WooCommerce, Prestashop, OpenCart, BigCommerce, Shopware, osCommerce 1.4.2) CMS: WordPress, Drupal, Joomla, TYPO3 etc. 1.4.3) CRM: SuiteCRM, SugarCRM 2) MOBILE DEVELOPMENT 2.1) Android native development: Java, Kotlin 2.2) iOS native development: Swift, Objective-C 2.3) Cross platform development: Flutter, React Native, Ionic 3) DESIGN 3.1) Website Design (UI (User Interface), UX (User Experience) etc.) 3.2) Graphic Design (Creative Design, Digital Design, Advertisement Design etc.) 3.3) Corporate Identity (Brand Boooks, Business Cards, Logos, LetterHeads etc.) 4) INTERNET MARKETING 4.1) Social Media Marketing (Linkedin, Xing, Facebook, YouTube, Instagram etc.) 4.2) SEO (SEO Copywriting, SEO Auditing, White Hat SEO) 4.3) PPC Marketing (Google Adwords, Google Ads, Facebook Ads, YouTube Ads, Instagram Ads etc.) 4.4) Email Marketing 5) MANAGED SERVICES 5.1) 24/7 TECHNICAL SUPPORT 5.2) SYSTEM ADMINISTRATION SERVICES Our team of high qualified System Administrators have huge experience with technologies covering: - different distributions of OS Linux, Unix and MS Windows Server systems; - different types of virtualization (ProxMox, Virtuozzo, OpenVZ, KVM, XEN, VMware, Hyper-V); - VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.; - cloud solutions (AWS, MS Azure, Google Cloud, Alibaba Cloud, OVHcloud, DigitalOcean, Linode etc.); 6) HOSTING SERVICES provided by our hosting subdivision under trade mark "TanHost" 6.1) Cloud based solutions (e.g. configuration and technical support of Private Clouds); 6.2) Сollocation services, the providing for rent dedicated and VPS/VDS (virtual servers); 6.3) Shared Hosting; 6.4) Domain names registration services in more than 100 international zones; 6.5) SSL Certificates. 7) EMBEDDED SYSTEMS 7.1) Embedded software development 7.2) Internet of Things (IoT) 7.3) Microcontrollers programming 7.4) Arduino microcontrollers programming OUR CREDO: Reputation – is above anything else! We help our customers to grow success and we grow together with our customers! We are flexible to meet our clients' needs. We make it simple... less
Hire tangramua
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✨Web & Mobile App Development Maestro✨ Hello, Greetings! Are you in search of a tech sorceress who can conjure bespoke web and mobile applications, propelling businesses to extraordinary realms? Your quest ends here! ✨ I specialize in weaving tailor-made solutions across diverse industries, thoughtfully aligning...✨Web & Mobile App Development Maestro✨ Hello, Greetings! Are you in search of a tech sorceress who can conjure bespoke web and mobile applications, propelling businesses to extraordinary realms? Your quest ends here! ✨ I specialize in weaving tailor-made solutions across diverse industries, thoughtfully aligning with each client's budget and aspirations. By infusing innovative web design strategies, I ensure our clients shine brightly in the constellation of competition! ✨ Armed with a profound command over a spectrum of programming languages, I hold the enchanted keys to unlock your website's latent potential: ✅ C/C++ - Laying a solid foundation for performance-driven applications. ✅ JavaScript - Crafting interactive and dynamic web elements. ✅ HTML/CSS - Weaving the visual fabric of your digital presence. ✅ Angular JS - Building scalable and feature-rich web applications. ✅ React JS - Creating stunning user interfaces with ease. ✅ Next JS - Delivering lightning-fast, SEO-friendly web experiences. ✅ TypeScript - Empowering scalable and type-safe JavaScript applications. ✅ Node JS - Driving server-side functionalities with efficiency. ✅ Vue JS - Embracing elegant simplicity in web development. ✅ PHP - Creating dynamic and data-rich web applications. ✅ Laravel - Unleashing the power of PHP for robust web solutions. ✅ Python - Embracing versatility in web development. ✅ Firebase - Empowering real-time, cloud-based web experiences. ✅ Solidity - Building smart contracts on Ethereum and BSC. ✨ My expertise also spans across the realm of Mobile incantations, including: ✅ Swift - Developing lightning-fast iOS applications. ✅ Flutter - Crafting beautiful cross-platform apps with ease. ✅ React Native - Building captivating mobile apps for iOS and Android. ✅ Kotlin - Embracing modern Android app development. ✅ Dart - Empowering Flutter apps with speed and flexibility. ✅ Java - Building enterprise-level web solutions. ✨ My alchemical process revolves around deciphering your business alchemy and illuminating the path toward measurable enchantments that nurture brand devotion and digital ascension. ✨ Fostering a strong bond with my patrons is my utmost priority! I'm here to dispel queries, offer mystical guidance, and interlace the threads of destiny, all in anticipation of kindling future collaborations. Let's co-create something truly magical! Thank you, Sneha less
Hire ctinfotech1
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Ekkel is one of the fastest growing software development companies delivering world class applications to startups, SMEs and larger enterprises, particularly in the AI space. The products that we've developed, Writingo, Craftly and FuzionX (just to name a few) have raised over $40M in seed rounds for our clients and...Ekkel is one of the fastest growing software development companies delivering world class applications to startups, SMEs and larger enterprises, particularly in the AI space. The products that we've developed, Writingo, Craftly and FuzionX (just to name a few) have raised over $40M in seed rounds for our clients and partners. Our development teams have spent more than 20,000 hours developing products for various clients. With a meticulously crafted team of problem solvers (engineers, developers, Product managers) under the same roof, we are one of the very few teams that bring a wealth of expertise and practical hands-on experience in Mobile, Web, Blockchain and AI Applications Development. Our Mantra from the very beginning has been 'Value over technology'. Our teams have helped clients recruit more team members, raise funds and market their products. So whether your idea is a complex audio/video streaming mobile app or a screen sharing web3 application or a next-gen artificial intelligence model, we will bring it to life and our mission is, and always will be, for your product to succeed. Have an idea? Want to work on it yourself? Hire your own professionals through us, all under a transparent system that lets you monitor the progress of each developer using the best project management tools and scrum boards. Here are just some of the skills that we offer. [Development] [Realtime Communication] [Payment Gateways] ✔️ Python ✔️ WebRTC ✔️ Stripe ✔️ TypeScript ✔️ Agora.io ✔️ Paypal ✔️ NodeJS ✔️ PusherJS ✔️ Braintree ✔️ NestJS ✔️ Socket.io ✔️ ExpressJS ✔️ React [Blockchain Development] ✔️ Redux ✔️ Smart Contracts ✔️ React Native ✔️ NFT Platforms ✔️ Angular ✔️ DeFi ✔️ RxJS ✔️ NgRX ✔️ Vue ✔️ Vuex [Artificial Intelligence] [Project Management Tools] [Databases] ✔️ Image Recognition ✔️ Jira ✔️ MongoDB ✔️ Audio Processing ✔️ Trello ✔️ MySQL ✔️ Deep Learning ✔️ Confluence ✔️ MariaDB ✔️ Machine Learning ✔️ Monday.com ✔️ DynamoDB ✔️ Recommendation Engines ✔️ Business Intelligence less
Hire ekkelai
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valeriivapirov valeriivapirov
$30 USD / hour
♛TOP Rated ⭐Verified | Full Stack | MERN | PythonUkraineHello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular,...Hello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular, CMS (WordPress, Shopify), package management, and API handling. Back-end: Node.js, Python/Django, PHP/Laravel, Java/Spring Boot, ASP.NET, and authentication. Databases: MySQL, PostgreSQL, MongoDB, Firebase. Beyond my technical prowess, I am driven by a relentless commitment to project success. I view each new challenge as an opportunity to expand my skill set and deliver innovative solutions. Let's collaborate and transform your ideas into reality. Together, we can build something extraordinary! less
Hire valeriivapirov
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*Your success is not only a source of joy for me, but also a testament to the incredible potential that resides within you.* This is Marquina Molina Ricardo Andres, a Senior Full Stack and Blockchain Developer, from Posadas, Argentina. Highly skilled and experienced Senior Full Stack and Blockchain Developer...*Your success is not only a source of joy for me, but also a testament to the incredible potential that resides within you.* This is Marquina Molina Ricardo Andres, a Senior Full Stack and Blockchain Developer, from Posadas, Argentina. Highly skilled and experienced Senior Full Stack and Blockchain Developer seeking a challenging position in a dynamic organization. Demonstrating a consistent record of delivering exceptional, expandable, and efficient solutions, I excel in multiple programming languages and frameworks. I possess strong problem-solving abilities and a keen eye for detail, ensuring optimal performance and user experience. Committed to staying updated with the latest technologies, I aim to contribute my expertise and drive innovation in a collaborative team environment. Here are my services what I can help you with: *Blockchain*: Solana, CLAMM, Orca, Smart contract, Rust, Trading Bot, Ethereum, Solidity Frontend: HTML5, CSS3, Bootstrap, Javascript, Typescript, Jquery, React, Angular, Next.js, lonic, Svelte, Tailwind CSS, MUI, Storybook, KendoUI *Backend*: Node.js, Express, PHP, Ruby, Python Full Stack: MERN, MEAN, Django, Ruby on Rails APIs: Restful, GraphQL, SOAP, FAST Database: RDBMS (MySQL, PostgreSQL, Sqlite ), No-SQL (MongoDB, Firestore) CI/CD: Ansible, Jenkins, Circle CI, Docker, Kubernetes, Github, Bitbucket Servers: Apache, Nginx, Puma, Microservices, Heroku, Vercel, AWS EC2, Digital Ocean I am always ready to bring your ideas to real life. Also, what I wanna do through the collaboration on the project is to form a friendly relationship with creative and talent teams and mates. I am full-time available here and I can start the project right now. Thank you. less
Hire ricardo686
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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 aqibnasim
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With over 20 years of experience in IT and web development, I am dedicated to making your project a success. In the past 3 years, I have shifted my focus towards web3 projects, such as smart contract development and NFT and token minting. I have also been building custom ChatGPT-style chatbots by integrating OpenAI...With over 20 years of experience in IT and web development, I am dedicated to making your project a success. In the past 3 years, I have shifted my focus towards web3 projects, such as smart contract development and NFT and token minting. I have also been building custom ChatGPT-style chatbots by integrating OpenAI APIs. Additionally, I provide consulting services for enterprise clients on intranet development, including data migration between platforms such as Microsoft SharePoint Online, Jive Software, MediaWIKI, WordPress, and Drupal. I am also experienced with Etsy and Shopify APIs. less
Hire edmiidz
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⭐Your Trusted Software Development Partner⭐ My definition of an expert in any field is a person who knows enough about what's really going on to be scared. *** WEB development *** JavaScript, TypeScript, React, Vue, Angular, Wordpress, Webflow, Express, Node.js, Python, Django, Next.js, CSS, Bootstrap, Tailwind CSS,...⭐Your Trusted Software Development Partner⭐ My definition of an expert in any field is a person who knows enough about what's really going on to be scared. *** WEB development *** JavaScript, TypeScript, React, Vue, Angular, Wordpress, Webflow, Express, Node.js, Python, Django, Next.js, CSS, Bootstrap, Tailwind CSS, MySQL, MongoDB, ... *** APP development *** Android, Kotlin, Swift, Objective C, React Native, Flutter, Ionic, SQLite, Firebase, ... *** BLOCKCHAIN development *** Solidity, Smart Contract, Web3, Go, Vyper, C# *** Web scraping development *** Python, Selenium ***Game development*** Unity, UE5 less
Hire fivezeroinfo
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I have wide and substantial expertise and provide a full range of Blockchain-related services with a focus on Defi, Green Finance, and FinTech, and developed my own low-code solution for banks and FinTech organizations. Additional technologies & blockchains services I provide: - Trading Bot development - Smart...I have wide and substantial expertise and provide a full range of Blockchain-related services with a focus on Defi, Green Finance, and FinTech, and developed my own low-code solution for banks and FinTech organizations. Additional technologies & blockchains services I provide: - Trading Bot development - Smart Contract development - Generative NFTs - Smart Contract integration with React.js - DEFI protocols - Blockchain Consultancy - NFT Marketplaces - DEX & CEX - DAO development - P2P/P2E games - Consensus protocols - Custom blockchain development - DApps development - Crowdsale platform - Hyperledger & Multichain development - Multichain/Supply Chain development - Crypto app development - ICO web development - POC development - Cryptocurrency wallet and exchange applications - Private blockchain development - Blockchain testing - Blockchain development support and maintenance My end-to-end blockchain development approach comprehensively goes through the research and ideation phase, development, integration, testing, deployment, and post-production support and maintenance. Please feel free to contact me for any further inquiries. Best Regards, Eduardo M less
Hire EduardoMoralesJO
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Boasting over 7 of comprehensive experience in web and mobile development, my principle is rooted in a two-fold commitment: delivering projects both on time and on budget. This steadfast approach, combined with my unique practice of ensuring successful project completion before discussing payment, showcases my...Boasting over 7 of comprehensive experience in web and mobile development, my principle is rooted in a two-fold commitment: delivering projects both on time and on budget. This steadfast approach, combined with my unique practice of ensuring successful project completion before discussing payment, showcases my deep-seated confidence in providing superior solutions and my unwavering dedication to total client satisfaction. My clients benefit from not only my technical expertise in web and mobile development but also the peace of mind that comes from knowing their projects are in trustworthy hands. As a result, many businesses, once acquainted with my work ethic, seek to cultivate long-term collaborations, confident in the consistency, transparency, and value I bring to every undertaking. You can find my main skills here: Technical Proficiency: - Front-end Development: Expertise in JavaScript, TypeScript, Tailwind CSS, Material UI, and modern front-end frameworks such as React, Next, Vue, Nuxt, Svelte, SvelteKit, and Angular. I consistently ensure smooth and responsive user interfaces. - Back-end Development: Highly proficient in server-side languages, including Node.js and PHP, and familiar with frameworks like Express, Laravel, Django, and Golang. I focus on empowering seamless data flow and optimized functionality. - Mobile App Development: I have a proven track record of developing both native and cross-platform mobile applications for iOS and Android using Swift, Java, React Native, and Flutter. - Database & APIs: Possess extensive experience with databases including MySQL, PostgreSQL, and MongoDB. Additionally, I specialize in building robust APIs for efficient data retrieval and manipulation. - DevOps & Deployment: Skilled in CI/CD pipelines, cloud deployment through AWS, Azure, and Google Cloud, and familiar with containerization technologies like Docker, ensuring scalable and dependable application deployments. - Blockchain dApp Development: I'm proficient in the Solidity programming language, web3, and ether.js. I am adept in smart contract development and possess an in-depth understanding of zk-Proof, zkEVM, zkSync, Cosmos-SDK, Tendermint, and IBC Protocol. Additionally, I have experience in building NFT, DEX, and DeFi applications. less
Hire selwyeather
