Freelancers para contratação em United States - Página 9
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Mostrando 156 resultados
Freelancers Patrocinados
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Experienced Senior Full Stack Engineer with a proven track record in crafting responsive and visually captivating web interfaces. Proficient in cutting-edge front-end technologies like React.js, Next.js, Angular.js, React Native, and Flutter, alongside a solid understanding of backend technologies such as Node.js....Experienced Senior Full Stack Engineer with a proven track record in crafting responsive and visually captivating web interfaces. Proficient in cutting-edge front-end technologies like React.js, Next.js, Angular.js, React Native, and Flutter, alongside a solid understanding of backend technologies such as Node.js. Adept at optimizing performance and ensuring stellar user experiences. Expert in JavaScript frameworks, accessibility, and fostering collaboration across multifunctional teams. Demonstrated success in implementing micro-frontend architecture to bolster modularity and maintainability in large-scale projects. ⭐ Hybrid App Development: React Native, Flutter, Ionic, MAUI ⭐ Native App Development: Java, Kotlin, Swift, Objective-C, Android, iOS ⭐ Programming Languages: JavaScript, TypeScript, C++, Python, Java ⭐ Frontend Development: React.js, React Native, Next.js, Angular.js ⭐ Styling Frameworks: Tailwind CSS, Sass, Bootstrap ⭐ Backend Development: Node.js, Express.js, RESTful API, GraphQL ⭐ Databases: MongoDB, PostgreSQL, MySQL, DynamoDB, Redis, SQLite ⭐ Cloud Services: Azure, AWS, Google Cloud Platform, Docker, Kubernetes ⭐ Version Control: Git, Mercurial, Jira ⭐ Testing and Debugging: Unit testing, Integration testing, End-to-End testing, Cypress ⭐ Build Tools and Task Runners: Webpack, Parcel, Gulp, NPM & Yarn ⭐ Architecture: Micro-frontend, State Management, Routing, Data Fetching ⭐ Emerging Technologies: WebAssembly, Serverless Computing ⭐ SOTA Technologies: OpenAI API, Machine Learning, Blockchain ⭐ Documentation and Communication menos
Contratar leonard072
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Experienced Full Stack Developer with a passion for creating innovative and efficient software solutions. Proficient in both front-end and back-end technologies, I specialize in crafting responsive and user-friendly web applications. Skilled in languages such as JavaScript, Python, and PHP, I bring a comprehensive...Experienced Full Stack Developer with a passion for creating innovative and efficient software solutions. Proficient in both front-end and back-end technologies, I specialize in crafting responsive and user-friendly web applications. Skilled in languages such as JavaScript, Python, and PHP, I bring a comprehensive understanding of various frameworks like React, Angular, Node.js, and Django. My expertise extends to database design, API development, and cloud services integration. Committed to staying updated with the latest industry trends, I leverage my problem-solving abilities to deliver high-quality, scalable, and maintainable code. With a strong attention to detail and effective communication skills, I collaborate seamlessly with cross-functional teams to bring projects from concept to completion. Dedicated to continuous learning, I thrive in dynamic environments, adapting swiftly to emerging technologies. menos
Contratar affancal
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.NET 5.0/6, .NET Core Web API, Advanced Business Application Programming (ABAP), Android SDK, App DevelopmentDevelopment or security testing of networks Troubleshooting malicious programs Application targeted development or vulnerability troubleshootingDevelopment or security testing of networks Troubleshooting malicious programs Application targeted development or vulnerability troubleshooting menos
Contratar tlc223327530
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I am a senior full-stack developer. Over 5 years, I have built many different websites and management systems for small companies and large businesses. Chat bot -Developed chat bot using botpress. -Developed chat bot using python and LLM. Ecommerce site - Developed ecommerce site with prestashop, woocommerce, magento...I am a senior full-stack developer. Over 5 years, I have built many different websites and management systems for small companies and large businesses. Chat bot -Developed chat bot using botpress. -Developed chat bot using python and LLM. Ecommerce site - Developed ecommerce site with prestashop, woocommerce, magento and shopify. - Migrated old version to latest version. - Developed and customized modules, plugins and apps. React.js - Developed the Front-End and User Interface of applications using React, Redux, React hook and Material UI. - Involved writing modules using React as a view engine to build component-based application. - Created reusable React components and managed application state with Redux. - Applied redux middleware using redux-promise, redux-thunk and redux-saga. HTML and CSS - Experience working with Responsive Web Design. - Expert in creating Templates, Mockups and Prototypes, Web Interfaces, Layouts, and Flow of Future Pages. - High level of expertise in CSS pixel-level layout, Consistency with browsers, Version and Platform Independence. Django - Using Django Framework model, implemented MVC architecture and developed web applications with superb interface. - Experience in writing application level code to interact with APIs, Web Services using JSON. - Designed and developed a horizontally scalable APIs using Django Python - Data scraping - AI model PHP framework - Developed Ecommerce sites with laravel and codeignter. - Developed PHP based server side API using Laravel and Codeigniter framework and implemented MVC architecture. CRM - Custom module development - Customizing existing CRM code to match with requirements - Third-party API integrations like QuickBooks, Payment Gateways, Xero, Google Drive, and SMS gateway - Data migration from any CRM to SuiteCRM/SugarCRM/SalesForce - Upgrade from any version to latest version Blockchain - Cryptocurrency & Altcoin creation - Token creation on ETH, BSC, MATIC, and other EVM chains - NFT creation on Ethereum, Polygon, Solana, and other chains - Decentralized exchanges (Pancakeswap, Uniswap, etc) - Yield farms - Token staking dashboards - Token rewards tracking dashboards - Cryptocurrency node & masternode installation - Cryptocurrency mining pool installation - Cryptocurrency - Blockchain consulting Excel/Google sheet - Developed add-on for google sheet. - Developed custom engine for google sheet and Excel. - Migrate data to Google sheet and Excel. menos
Contratar david19960301
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Hello everyone, My name is Andrew Kim, and I'm a full-stack developer with 8 years of experience in web development. As a full-stack developer, I have expertise in both front-end and back-end technologies, allowing me to build complete and scalable applications. I have experience working with a range of various...Hello everyone, My name is Andrew Kim, and I'm a full-stack developer with 8 years of experience in web development. As a full-stack developer, I have expertise in both front-end and back-end technologies, allowing me to build complete and scalable applications. I have experience working with a range of various programming languages, frameworks, and libraries, including mobile and web. I am passionate about creating clean, efficient, and user-friendly applications that meet the needs of clients and end-users. In this profile, I will showcase my skills, experience, and expertise in full-stack development, and demonstrate how I can contribute to your organization's success. menos
Contratar andrewdev2023
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Hi, I'm Joe. I am software developer experienced in full stack development. In a nutshell I build websites for businesses and can create custom software solutions as well. My expertise lies in several different programming languages including C#, ASP.NET, Jquery, React, Javascript, along with database programming...Hi, I'm Joe. I am software developer experienced in full stack development. In a nutshell I build websites for businesses and can create custom software solutions as well. My expertise lies in several different programming languages including C#, ASP.NET, Jquery, React, Javascript, along with database programming experience in T-SQL and MySql. I am a lifelong learner and am always trying to learn some new programming language. I enjoy playing hockey and working with wood in my spare time. menos
Contratar jmvdesignsohio
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Pearpixels Pearpixels
$50 Dólares / horaTop Rated USA-Based Agency for IT & ConsultancyPear Pixels is a striving web agency based in Georgia, Atlanta, that constitutes a team of skilled IT experts to deliver you the best services and help you make your name known online. In today's world dominated by technology, we have made our mark with hard work, consistency, and attention to details. We continue to...Pear Pixels is a striving web agency based in Georgia, Atlanta, that constitutes a team of skilled IT experts to deliver you the best services and help you make your name known online. In today's world dominated by technology, we have made our mark with hard work, consistency, and attention to details. We continue to bring innovation to our work and stay up-to-date with the latest technology because our clients deserve the best. Pear Pixels brings you the ultimate solutions for your business. We want you to be unstoppable. We want you to enjoy the benefits of the newest technology and help you turn your startup into a well-managed brand. Our experts will have your back and make your online presence worthwhile. We believe in building a relationship with our customer base by providing the finest quality work so they can grow, and we grow with them. menos
Contratar Pearpixels
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Hello.. nice to meet you.. I have read your job host in detail if you want you can ask me any question regarding your requirement. "At the core of my business principles is a commitment to integrity, ensuring that I deliver on my promises with honesty and reliability." Recently , I worked...Hello.. nice to meet you.. I have read your job host in detail if you want you can ask me any question regarding your requirement. "At the core of my business principles is a commitment to integrity, ensuring that I deliver on my promises with honesty and reliability." Recently , I worked here https://libertas-homes.hr/(Wordpress) If you need other working urls, I will tell you.. I want to discuss about budget and timeline in detail with you,,, Please contact me for further discussion and let's get started! As a professional full-stack developer with years of experience in web design and web development, I am perfectly suited for this project. My mastery of HTML, CSS, bootstrap,MUI,Tailwind,JavaScript, and the platform of Wordpress are vital skills needed to create a catalog-based website as specified in the project description. I also have a wide portfolio of impressive design skills, and I've developed an eye for conveying moods through consistent branding. Ultimately, like you, my priority is depicting your brand's high-quality feel throughout your website while ensuring user-friendly functionalities. I believe my skill set can help turn these specifications into reality while providing seamless user experience on all devices. I want to discuss about budget and timeline in detail with you,,, Please contact me for further discussion and let's get started! menos
Contratar williamtayo1215
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My main skills are Full stack, blockchain and AI. My favorite languages are java script and python. I have experienced +5 years. Everybody can contact me to wanna get my help.My main skills are Full stack, blockchain and AI. My favorite languages are java script and python. I have experienced +5 years. Everybody can contact me to wanna get my help. menos
Contratar vincent108
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Dynamic and seasoned Mobile Application Developer | Senior Frontend Developer with over 8 years of experience in designing, developing, and maintaining cutting-edge mobile applications and web interfaces. Adept at leveraging expertise in frontend technologies and mobile development frameworks to deliver robust,...Dynamic and seasoned Mobile Application Developer | Senior Frontend Developer with over 8 years of experience in designing, developing, and maintaining cutting-edge mobile applications and web interfaces. Adept at leveraging expertise in frontend technologies and mobile development frameworks to deliver robust, user-centric solutions. Seeking to contribute skills and leadership to a forward-thinking team. menos
Contratar karacasey