upgrade system and fixing errors and add rest api and etc

Hi, I am Full stack Ruby on Rails developer and DevOps. Can assure you quality of my work with best design, highly secure & best performance app from development to production respecting testing & continuos-zero downtime deployment. Skills: - Ruby - Ruby on Rails - React - System Admin - Docker, Virtualbox , Nanobox - Hosting & Maintaining any platform - Git, Bitbucket - MySQL , PostgreSQL - SCSS, HAML, slim - js, es6, es7, coffeescript - RSpec (Test Driven Development) Thank you for your time and consideration. I look forward to speaking with you about this employment opportunity. Sincerely, Mezbah Alam

Hello, I am senior Ruby on Rails engineer who have experience in building and maintaining high-quality Ruby on Rails applications and have excellent knowledge of Ruby, HTML, CSS, JavaScript, SQL, Unix, deployment, performance, debugging, refactoring, design patterns, and other programming practices and tools. Please reply me so we can start working together. Best,

hi there. it's good to see another serious job posting here. I can work for you as the terms what you point on your job description Please contact me with your job details. Hope for more discussion with you. Best regards.

Hello, I hope you are well. I am an expert in Mobile development with 15+ years of experience and good track records. I have read your job description with exciting mood :) Please check my reviews; www.freelancer.com/u/langlangfan I am interested in your projects and I believe I can deliver rich features of the application to beat your imagination. Let's work together to make it happen. ...................

Hi There, Greetings! Can we more discuss in it? I would like to help you with the project with young fast and effective work within the time we have promised. I assure you will never have a second thought once work is done by us. I have highly qualified software testers who have worked with many Web & Mobile Apps, Software, Bespoke, E-commerce, Travel, CMS Websites and SAAS applications related projects. We are working with manual testing and automation testing. Developing: We Involved Ruby on Rails, AngularJs, AWS, API Integration, Bootstrap, Docker, Travis CI. Database: PostgreSQL, MySQL, MongoDB, Oracle, Radis Manual Testing: We Involved in different phases of testing (Functional, Logical, API Services, Performance, Usability, Security, Regression, Smoke, Load, Mobile App, SEO, Browser and Device compatibility, MailChimp, Admin to Front end Testing). Many Thanks,

Upgrade latest version of Ruby Rails. Fixing issues one by one. Migrated latest technology of Rest API architecture

I have been in this field for more than 7 years. i have experience in C#,php,perl,wordpress,Html,postgress ,Ubuntu,Crontab,Web Services, Rest Api, Zend ,YIi,Mysql. Relevant Skills and Experience so i am right candidate for your project because i have experience in C#,Perl,php,node.js,Ubuntu,Crontab,Crypto currency,Wordpress,Ebay,Amazon,Instagram,Mysql,Sqllite,Mongo Db, Rest Api projects.

Hi! My name is Miguel Montalvo, I am a Spanish Ruby on Rails developer with more than 8 years of experience in this technology, living now in London. Have professional experience working in a wide range of different projects: from building MVP's to maintaining legacy apps, working with small or medium size remote teams, improving and adding features to existing applications,.. I would like to know if we could have a meeting via Skype to talk and clarify the points listed in the xlsx file Looking forward to hearing from you! Thanks! Miguel Montalvo