Ruby on Rails Developers para contratar
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Freelancers patrocinados
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Are you in the market for software development? Do you need full-scope services entailing back-end AND front-end development tasks? Then you’ve come to the right place. My name’s Giorgi, and I’m a full stack developer and software development expert with a B.Sc. in software engineering and more than 10 years...Are you in the market for software development? Do you need full-scope services entailing back-end AND front-end development tasks? Then you’ve come to the right place. My name’s Giorgi, and I’m a full stack developer and software development expert with a B.Sc. in software engineering and more than 10 years experience in many different areas of the industry. I specialize in a number of different fields, including: • Back-end to Front-end development ◦ PHP ◦ Python frameworks ◦ Javascript frameworks • Blockchain Development • Mobile App Development • Windows/Linux/Mac app development • Deep Learning/AI/Image Processing My tools and software list is extensive, so if there’s anything in particular that you need used, just mention it and I’ll likely be able to integrate it into the work plans. I am always available on Freelancer, offering 24/7 customer support and troubleshooting, and quick response on new projects or proposals. I guarantee accurate timelines, easy communication, and top notch products that will meet all your software needs. So what are you waiting for? Fire me off a message or hit the “Hire Me Now” button and let’s get started! menos
Contratar bagration777
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SergeyKuznetsovv SergeyKuznetsovv
$50 USD / hora
Senior Full Stack AI | Blockchain Developer Top 2%Russian FederationMy name is Sergey, and I’ve operated as a senior web and software developer for the past 15 years. Combined with my B.Sc. in Systems Engineering, those years have allowed me to build skills as a full-stack developer, specializing in builing the AI models and training and optimization of AI module, writing smart...My name is Sergey, and I’ve operated as a senior web and software developer for the past 15 years. Combined with my B.Sc. in Systems Engineering, those years have allowed me to build skills as a full-stack developer, specializing in builing the AI models and training and optimization of AI module, writing smart contracts for DeFis and dApps as well as full stack web development through the use of PHP and JavaScript frameworks (especially blockchain-based applications). My blockchain experience is extensive, having worked with blockchain since 2016. I have built DeFis, Dapps and NFT minting projects, as well as having worked with smart contracts in Solidity and Rust. I am well-versed in the following programming languages: • Python, Tensorflow, OpenCV • Ruby on Rails • Elixir, Phoenix • Golang • Javascript • Solidity • C/C++/C# • ASP.NET and backend setups: • Laravel • CodeIgniter • Node.js • Python • Django also the following front-end frameworks: • HTML5 • CSS • Javascript • JQuery • React • Angular Mobile development: • Unity • Android • Flutter • Swift I never back down from a project and can handle any setup or framework specifications you may need. Having worked with many blockchain companies like GrowthDefi, along with big companies like FEDEX, I’m confident not only in my abilities but my professionalism. I constantly stay ahead of the game, learning and mastering all the relevant software applications and tools necessary to create the most efficient web and software apps in the industry. If you’re interested in working with me or discussing a potential project, you can reach me through Freelancer, either via message or with the “Hire Me Now” button. Thanks for taking the time to read through my profile, and I hope to speak with you soon! menos
Contratar SergeyKuznetsovv
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✦-----Greetings!------✦ Are you looking for developers with creative and high-end coding skills? Are you seeking a contributor as well as a problem solver? ✋ Here I am. A self-motivated and self-starter individual with many years of professional development experience, a positive attitude towards high-quality...✦-----Greetings!------✦ Are you looking for developers with creative and high-end coding skills? Are you seeking a contributor as well as a problem solver? ✋ Here I am. A self-motivated and self-starter individual with many years of professional development experience, a positive attitude towards high-quality results and a visible passion for solutions. With over 7 years of rich development experience on projects ranging from small size applications through complex enterprise solutions. I will treat every project with the same dedication and integrity as if it were my very own. I could be the best for your complete IT solution. Lets go with me towards SUCCESS!!! Skills and Services: ✔️ Front-end: * React,Redux / Next.js / Vue / Angular / TypeScript / jQuery / Bootstrap / Tailwind CSS / HTML5 / CSS ✔️ Back-end: * Node.js / Express / Python / Django / Flask / PHP / Laravel / Codeigniter / Ruby / Ruby on Rails / C# / ASP.NET / Go ✔️ Database: * Mysql / MongoDB / PostgreSQL / SQlite / Firebase ✔️ CMS: * Wordpress / Shopify / Magento / Prestashop ✔️ Other: * Payment Gateway Integration / API Integration / Web Scraping ALL the BEST & RELIABLE! menos
Contratar dmytrosyrbyl
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We're a top Software development firm of over 350 highly-skilled professionals who have built web apps, mobile apps & digital solutions for over 3500 esteemed clients in 113 countries across the world. At Narola, we pride ourselves on our digital diversity, with a wide-ranging tech stack that can handle any...We're a top Software development firm of over 350 highly-skilled professionals who have built web apps, mobile apps & digital solutions for over 3500 esteemed clients in 113 countries across the world. At Narola, we pride ourselves on our digital diversity, with a wide-ranging tech stack that can handle any project. Now you might be thinking that every provider says the same! But for us "Transparency" is the only key for a successful project & we stick to it from the very first day. When you work with us, you’ll get regular progress updates on all aspects of your project. All our work is plagiarism free, and we offer multiple pricing structures to make things as convenient as possible for you. So, if you need help with design, development, enhancement, QA, or any number of other services, reach out today! We’re an open book, and we can’t wait to add you to our client history! menos
Contratar winmaclin
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Thanks for stopping by the Jarret Profile! My name is Jarret, and I' ve been programming since the age of 12. After that,I've been learning programming for 4 years at the State University of New York, with about 4 years of working experience. I currently am working as a full stack developer with a tech stach that...Thanks for stopping by the Jarret Profile! My name is Jarret, and I' ve been programming since the age of 12. After that,I've been learning programming for 4 years at the State University of New York, with about 4 years of working experience. I currently am working as a full stack developer with a tech stach that involves Html, Javascript, NextJS, Ruby, React, Node and Python. I have been serving my clients with the idea that meet their purpose, with Follow principle. ♥ ♥ ♥ ♥ ♥ quality + punctuality + confidentiality ♥ ♥ ♥ ♥ ♥ ▲. FrontEnd ✔️ HTML CSS JavaScript TypeScript ES5/ES6 JQuery Shopify ✔️ React Angular Vue NextJS VanillaJS ▲. BackEnd ✔️ Python Ruby PHP ✔️ Laravel codeigniter ASP.NET ▲. Desktop Application ✔️ C C++ C# ▲. Mobile Application ✔️ Android Ionic, IOS, IPhone ✔️ ReactNative ▲. Hardware Engineering ✔️ PCB Circuit design, Eagle, Altium ✔️ Arduino, Embedded code menos
Contratar Jarretdev
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⌨️iOS application from idea to App Store release ⌨️Post-release maintenance and support ⌨️20+ successfully developed applications * Users are sending over 4-5 million texts in an app that I built * I was Software Architect in an Assessment app where candidates could sit for exams with Remote Invigilations * Highly...⌨️iOS application from idea to App Store release ⌨️Post-release maintenance and support ⌨️20+ successfully developed applications * Users are sending over 4-5 million texts in an app that I built * I was Software Architect in an Assessment app where candidates could sit for exams with Remote Invigilations * Highly involved in a project where you can dance together with your peers sharing video and audio * Managing servers and networks in AWS, Google Cloud, and Digital Ocean I'm software engineer with more than 10 years of experience in different technologies. I always care about the architecture of the app, clean code and product design. My primary goal is to make my clients happy and help them create successful products. My Skills: --- ML/AI Skills --- ✅Keras/SciKit/TensorFlow ✅AWS online service --- Mobile Skills --- ✅Swift 5 / iOS 14, worked with every Swift version since introduction in 2014 ✅SwiftUI / Combine ✅Firebase (Analytics, Auth, Database, Dynamic Links, Notifications) ✅CoreData, Codable ✅StoreKit, In-App Purchases, Subscriptions ✅Bluetooth scanning, Beacons ✅Apple Maps and Google Maps integration ✅Unit and UI testing ✅Facebook SDK integration ✅Bitrise, Circle CI, Fastlane, TestFlight --- Web Skills --- ✅Excellent leadership quality ✅React, AngularJS, VueJS, Core Javascript, NodeJS, MongoDB ✅Automated testing, CI implementation ✅Project Management, Scrum ✅AWS, Nginx Feel free to contact me if you want to create successful iOS application or just need some consultation for your existing product. menos
Contratar neznamvladan499
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Senior Full Stack Web & Blockchain Developer with 10 years of experience in full stack development and building smart contract and DAPPs. Also a senior DevOps Engineer with strong Linux System Administration and CI/CD pipeline. I'm good at: - React, Next, Vue, Angular with strong JavaScript - Ruby, Ruby on Rails,...Senior Full Stack Web & Blockchain Developer with 10 years of experience in full stack development and building smart contract and DAPPs. Also a senior DevOps Engineer with strong Linux System Administration and CI/CD pipeline. I'm good at: - React, Next, Vue, Angular with strong JavaScript - Ruby, Ruby on Rails, Sharetribe, Shopify, Capistrano, Nginx/Apache, Puma, Unicorn, Rspec, Capybara for TDD/BDD - Python, Django, Flask, Scrapy, BeautifulSoup - Laravel, WP, CI, WordPress (and Plugin Development) with PHP - JavaScript Animation (three.js, canvas) - HTML, CSS, SCSS, LESS - AWS, GCP, Digital Ocean, Heroku and Linode with Linux System Administration - Ansible, Puppet, Chef, Terraform, Kubernetes, Docker, Monitoring Services such as NewRelic, Grafana, Pingdom, etc - Web3.js - ERC20, ERC721, ERC1155, BEP20, BEP721, BEP1155 etc - Ethereum, Binance smart chain, Polygon, Fantom, Tron, Avalanche, Algorand, Cardano, Solana etc - NFT minting and marketplace - Defi (Decentralized Financial) - DEX (Decentralized Exchange) Also I have worked with plenty of APIs regarding api integration. Looking for exciting projects. menos
Contratar indritneza1995
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nursultansaudir2 nursultansaudir2
$50 USD / hora
Full Stack Developer | 10+ Years ExperienceKazakhstanI am with extensive and rich knowledge of all software such as Website, Windows Desktop App, Process Automation, Reverse Engineering, Blockchain and more for over 12 years My top skills are: *** Technical Skills *** @ ReactJS, AngularJS, Vue.js, Redux, Vuex, Bootstrap, CSS3, HTML5 and JQuery @ Python, R, AI, ML...I am with extensive and rich knowledge of all software such as Website, Windows Desktop App, Process Automation, Reverse Engineering, Blockchain and more for over 12 years My top skills are: *** Technical Skills *** @ ReactJS, AngularJS, Vue.js, Redux, Vuex, Bootstrap, CSS3, HTML5 and JQuery @ Python, R, AI, ML and Deep Learning @ C, C++, VB, C#, DotNet Core, ASP.NET and Desktop App. @ Reverse Engineering & Assembly, Secure & System Programming and Process Automation @ PHP, Laravel, CodeIgniter, Magento, and wordpress @ Node.js, feathers.js, Express.js and RoR @ Blockchains/Cryptocurrencies/Smart contracts/DApps/Defis/NFTs. @ NFT Minting, NFT Staking, NFT Marketplace, DAO and DEX. @ MySQL, MongoDB, and SQLite @ Deployment @ Scala, Scalatra, Play, Scala-slick, Spark-scala, @ AWS cloud, AWS SES SMTP @ Redis vs MS SQL with ETL. *** Additional Skills *** @ Project Management @ Recruitment @ Business Development @ Fundraising menos
Contratar nursultansaudir2
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✨✨✨ Dear Everyone! ✨✨✨ I am Stefan from Serbia and an experienced full-time developer. Thanks for visiting my profile! As I am an experienced Web developer and guru from the palace of ✨ Heaven. ✨ I have 7+ years of experience with website development, customization so on... ✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨ Here are my top...✨✨✨ Dear Everyone! ✨✨✨ I am Stefan from Serbia and an experienced full-time developer. Thanks for visiting my profile! As I am an experienced Web developer and guru from the palace of ✨ Heaven. ✨ I have 7+ years of experience with website development, customization so on... ✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨✨ Here are my top development skills... ✔️Website Design in HTML, Bootstrap, CSS, Javascript - React, Angular, Codeigniter, laravel, opencart, Wordpress site design and build - Wordpress theme&plugin development and customization ✔️Mobile - React Native cli and Expo, Ionic, flutter - Rest api and backend using firebase and laravel ... ✔️ E-commerce Site(Woocommerce Shopify, Wordpress, Opencart) - Woocommerce and Shopify Store site development - Theme Customization ✔️ HTML/CSS/Javascript development - HTML/CSS landing page development from design file - Website mobile friendly& Site Speed Up ✔️ Blockchain development - Ethereum Blockchain - Smart Contract && Solidity && Web3.js - NFTs Marketplace - Trading APIs I spend my time to make the beautiful IT world. I will do my best for complete the project 100% perfectly and clearly. Thanks looking for my account, again! Best Regards menos
Contratar stefanjanko9
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⭐ Languages ⭐ ✔️ Python ✔️ C# ✔️ Ruby ✔️ Javascript ✔️ Typescript ✔️ Dart ⭐ Frameworks ⭐ ✔️ Django REST Framework | Flask ✔️ Express.js ✔️ Ruby on Rails ✔️ ASP .NET ✔️ React Native | Flutter ⭐ Libraries / APIs ⭐ ✔️ REST APIs ✔️ Node.js ✔️ React.js | Next.js | Angular | Svelte ⭐ Database ⭐ ✔️ MySQL...⭐ Languages ⭐ ✔️ Python ✔️ C# ✔️ Ruby ✔️ Javascript ✔️ Typescript ✔️ Dart ⭐ Frameworks ⭐ ✔️ Django REST Framework | Flask ✔️ Express.js ✔️ Ruby on Rails ✔️ ASP .NET ✔️ React Native | Flutter ⭐ Libraries / APIs ⭐ ✔️ REST APIs ✔️ Node.js ✔️ React.js | Next.js | Angular | Svelte ⭐ Database ⭐ ✔️ MySQL | PostgreSQL ✔️ GraphQL ✔️ MongoDB ⭐ Platforms ⭐ ✔️ Amazon Web Services ✔️ Google Cloud Platform ✔️ Microsoft Azure ✔️ Linux | Docker | Salesforce | Digital Ocean If you think I can help you with your project, don't hesitate to contact me for a free consultation. Thanks for your valuable time to visit my profile. menos
Contratar rbncher
