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Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
Engineer with a strong sense of appealing user interfaces, efficient software design, and outstanding online platforms. I use my stack to create scalable and high-performing web solutions. I am a full-stack software engineer who is passionate about creating amazing products and collaborating with other exceptional engineers to find quick fixes for issues.
Always learning and always yearning, I sincerely believe that we can achieve greater heights by collaborating on our problems. I love to be involved with technical communities in different capacities and enjoy solving issues. I have had more than 50 mentoring sessions on HackHands ( http://www.hackhands.com/hiren ). Currently I run my own business, which is into mobile apps and websites.
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.
A full-stack software engineer with years of experience in the software development industry. I'm an experienced full-stack developer with top-level proficiency in any of the technologies listed below.
Hello I have been working in the market for the past 10 years. in the field of Database, SQL, Oracle, SQL Server, MySQL, NOSQL,DWH,ETL ,reporting and BI tools. Have knowledge of multiples domain areas such as Finance & banking ,Telecom, health care, Tax & Legal and FMCG
I have been a freelance web developer since 2004. I mainly use Ruby on Rails hosted on Heroku. I am the lead programmer for a number of small companies and enjoy contributing to open source projects. I love tracking down bugs and explaining how things work!
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!
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.
A Software Engineering graduate, working on Software Applications for more than 9 years. Have worked on different platforms, i.e. Windows & Linux. Have worked on realtime applications with extensive amount of data sharing between applications that are geographically separated. Have worked on integrating different hardware with different protocols for data sharing. Have expertise in Web, Mobile & Deskop applications; technologies include C/C++, NodeJS, ActionScript, JavaScript, JQuery, PHP, Python, CodeIgniter, Laravel, Bootstrap, C# WinForms, Roslyn Compiler API, ASP.NET MVC, Bash Scripts, MS Azure & Amazon AWS.
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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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