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Hello! My name is David Kang, and I am a seasoned full stack web and mobile app developer with over 10 years of experience. My expertise spans from working as a DevOps Manager on small business apps to developing enterprise-scale web and mobile platforms for major companies. Areas of Expertise: CMS Platforms: - WordPress / WooCommerce / Shopify Front-end Development: - Vue.js / Nuxt.js / Angular.js / React.js / Next.js Back-end Development: - Node.js / Express.js - Python / Django - PHP / Laravel / CodeIgniter - Ruby / Ruby on Rails Mobile Development: - React Native / Flutter / Objective-C / Java Enterprise Solutions: - C# / ASP.NET / .NET Core / Unity Cloud Services: - AWS / Azure / Google Cloud Databases: - Firebase / MongoDB / MySQL / PostgreSQL I am committed to delivering high-quality solutions tailored to your specific needs. Whether your project is in the early stages of discovery or fully underway, I can help you refine your ideas and build the application you deserve. If you have a project or an idea you'd like to discuss, let's talk! I'm here to help you bring your vision to life.
My recent freelance work has involved Development and programming (Web Development, Oracle Form Builder, Oracle Report Builder, PLSQL, Enterprise Services, Open Sources). I worked on various website using a MySQL and Oracle database, I love to work with both, they are good for different purposes. I've built several APIs so other website/application may interact with it. I know about responsive design, I like when the website I design can be easily scaled down to iPad or iPhone size since more and more user uses mobile devices nowadays! • Wordpress, Magento, Joomla • Codeignitor, YII, Zend • - ActionScript, Javascript, PHP, AJAX, jQuery • Bootstrap, jQuery, Prototype I understand how working with freelancers can be frustrating mainly because they can be unreachable and you just don't know if they are a good fit. I'm available 24/7 by phone/skype/email, you won't have any problems getting in touch with me.
Hi! I'm Experienced Full-Stack Web Developer (Angular, React, Javascript, NodeJs), Use my powers to turn your dreams into reality. I learned to program making websites from scratch with HTML, CSS, Javascript, React, Redux, Angular, NodeJs, Express and MongoDB. MERN stack (MongoDB, Express, ReactJS, and NodeJS). MEAN stack (MongoDB, Express, AngularJs, and NodeJS). Wordpress (Custom Themes, Modifications, Performance... ) This means that you can ask me for help on anything related to Javascript, HTML, CSS (and SCSS/Sass of course), responsive/mobile websites, usability an so on. With 9 years of experience developing software, I always advocate for the best available solutions and the cleanest code. I also love to explain how and why the code works so you can also learn more from it.
I am full-stack engineer who loves building real-time applications and software products that make life easy for people. I used to tinker around with electronics before I transitioned into a software engineer. I combine my knowledge from electronics to software to create helpful applications. Skills: JavaScript, PHP, Python, Vue.js, Serverless, AWS, Kubernetes, Docker
A responsible Software Engineer with 10+ years of diverse experience in backend development and performance optimization. Always strive to innovate and excel, skilled in delivering high-quality scalable solutions through effective collaboration with project manager and stakeholders, ensuring timely and successful outcomes in fast-paced environment. Flexible and focused on maintaining high coding standards, bringing innovation and vision for continuous improvement, with a strong commitment to teamwork and work in innovative, fast-growing and collaborative cross-functional teams.
Hey there! I'm a backend-focused engineer and team lead who loves solving tough bugs, optimizing databases, and building reliable APIs. I enjoy digging into Xdebug for memory profiling and finding the right indexes or fixing tricky MySQL deadlocks.
I started my career as a web developer 12 years ago. I like challenges where I can use my skills to develop outstanding web applications in look, performance, and efficiency. I am specialized in Front-End and back-end web technologies. For more details about technologies I know, see the expertise section below. I can help you with: • New projects or features • Front-End/Back-End development • Mentoring • UX/UI Design • Bug fixes and issue resolving If I missed something you need help with, please drop me a message and I will look for a solution.
I've been working and learning since *2009* at the IT/Programming/Startup/Blockchain ecosystem and experienced much different expertise due to the nature of startups and my interest in entrepreneurship. More than in other fields I acted as a programmer and CTO Role, but I worked alongside these roles as a *Smart-contract*/*Backend Developer*, and *Scrum master*. I love Decentralization and Blockchain and prefer to be a member of the teams that work on blockchain platforms or services. I've worked with the following language/frameworks at various points. SmartContract - `Solidity` / `Truffle` Backend - `PHP` / `Laravel` - `Javascript` / `Nodejs` / `Nest` DB - `MySQL` / `Mongo DB` Search Engine - `Elasticsearch` Frontend - `Html`,`Css`,`Js` / `Bootstrap`, `Vue`, `Nuxt`, `Jquery` Versioning Systems - `Git` Devops - `Docker` / `Kubernetes` Server Administrator / `Ubuntu` / `Nginx`, `Apache` Queue Systems - `Beanstalk` / `Redis` Caching - `Redis` / `Varnish` In my opinion, programming is not limited to any language and expertise, and a programmer depending on need can learn any new language and expertise in a short time. Now, because of my interest in Blockchain, I work with Solidity and manage the team.
With over 20 years of experience in tech, I've turned chaotic projects into well-oiled machines. From slashing load times on high-traffic platforms to automating under narrow constraints, and leading migrations, I specialize finding streamlined solutions for complex challenges. Whether you or your team need mentoring on how to best make use of git, or DevOps automation, or need a complete workflow overhaul. Connect with me and we'll talk about how I can best help you - whether it's mentoring on a specific topic you are stuck on, or getting my hands dirty and helping you make that release date, or get those load times down. Lets get started, understanding the problem is the first step.
Experienced (18+ years) developer and friendly Ruby on Rails and React/Next.js/Redux Developer/Mentor (with passion for helping others learn) | ★ 3,655+ 5 ★ sessions/jobs. 9+ years on top of the Codementor Ranking ★ https://www.codementor.io/ruby-on-rails-experts I am a Senior Software Engineer from Toronto, currently working as a Ruby on Rails and React/Redux Developer at theScore Inc. I am passionate about helping and mentoring people, especially those who are new to web development and the programming world. I am specialized in explaining the core concepts of Ruby and Rails, Javascript, React, APIs and everything else along with the best practices. I focus on the learning experience of my students and make sure they get exactly what they want. I have excellent academic track records (Bachelor of Science in Computer Science and Masters in Computer Engineering from the University of Toronto) along with strong development and industry experience in Software Development and Web Development (18+ years coding experience in total). I have helped more than 800 individuals here at CodeMentor (with 3,655+ 5 ★ sessions) with their projects implementation, bug fixes, architecture advices, performance improvements etc. I have worked with a bunch of CEOs and CTOs of YC start-ups and helped them with their projects. Made long term relationships with many of them which I help in a regular basis today. I have helped a LOT of bootcamp students here at CodeMentor and helped them build their web development career path and getting jobs after the completion of their bootcamp cohorts. Here at CodeMentor, I have helped people from all levels: From someone who is brand new to programming to 30+ years of experienced Senior Software Engineers, Product Managers and everyone in between. It's been an amazing journey here at CodeMentor for the last 8+ years! :-) I started programming and solving problems in 2006, at the age of 18. Since then, I wrote programs in a variety of programming languages such as C, C++, Java, PHP, Ruby, Python, Javascript, etc. These days, I use Ruby and Rails and React JS as my primary programming languages and frameworks. I can help with debugging your issues as well as refactoring your code according to the best practices and conventions out there. Helping people is my passion and motto in life. If you think I can help you in any way, please get in touch! Specialties: * Building scalable and performant backend APIs in Ruby on Rails (Active Model Serializer, GraphQL, Grape, Jbuilder, RABL, etc.) for android, iPhone or web applications. (For more than 12 million users). * Integration of backend APIs with Javascript frontend framework (ReactJS) using JSON Web Token (JWT). * Built highly scalable Push Notification System for theScore sports application (For ~10 million users). * Implemented instant player, team and news article search for the theScore and theScore eSports apps which have more than 6 million monthly active users using ElasticSearch and Rails. * Backend Ruby on Rails Development (With scaling, performance optimizations, database query optimizations, caching best practices, etc.). * Test Driven Development with clean code and best practices. * Web Scraping (Nokogiri, Mechanize) (Scrape data from anywhere on the internet!). * Reverse engineering complex APIs and web applications to write automated scripts to mimic and automate user behaviour and extract required data. * Explain concepts/solutions clearly and concisely according to the level of the client/student. (Helped over 800 people on CodeMentor with 3,655+ 5 ★ sessions) * Giving architecture advice for your application. Explain which tools/gems to use and why. * Setting up SSL certificates for Rails application (Nginx server) on AWS EC2 instance and securing your application. * Suggesting best practices and focusing on the best learning experience and long-term achievements. * Showing cool tips and tricks that I have learned over the past 18+ years (and still learning!) as a professional Ruby on Rails developer to be more productive and efficient at work. * Upgrading Ruby/Rails versions for your existing application. * Finding bottlenecks and Optimizing performance for your slow Rails applications. * I can help you to prepare for interviews for Ruby on Rails developer position, or any other Software Development position. I have successfully guided many developers who got their dream jobs after practicing coding interviews with me!
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The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance MySQL Optimization project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance MySQL Optimization request on Codementor, check out our article.
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We do a comprehensive technical and communications screen of all MySQL Optimization developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing MySQL Optimization developers’ user satisfaction rates.
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