Upgrade of RubyOnRails application

Hi sir/madam, I am a Ruby on rails developer, I had done many projects in rails, I am good in Rails Rest api and MVC pattern, I know to integrate rails app with email and SMS service and also web socket connection, I know to deploy the rails app in heroku and Aws elastic beanstalk, I had worked in Ruby 2.2.2, 2.3.5, 2.6.5, 2.6.6, 2.7, 3.0, 3.0.1, 3.0.2, rails 4.1, 4.2, 5.1, 5.2, 6.0, 6.1, I am good with git, Rspec test, elastic search, mapbox, zapier, dropbox..etc cases and worked in integrating many third party services, Please contact me for more details, I will share sample project via chat

Hello, I read with interest your posting for ruby on rails developer. I believe I possess the necessary skills and experience you are seeking and would make a valuable addition to you. I have done multiple projects as a ROR backend developer. I had also done this jobs previously upgraded ruby and rails into ruby-3 and rails-6.1. I am looking forward to speak with you further regarding your available position. thanks

Hi I have read your requirements carefully and I am sure that I am very suitable for this project. As a senior web developer, I am very familiar with Ruby on Rails and have worked on similar projects to what you are looking for. I am sure I can satisfy you and hope to discuss in more detail via chat. I can start work in your time zone right now. Thanks & Regards.

Upgrading legacy apps can sometimes be a pain, let's take one step at a time and nail it! Hoping to get in touch and I'd be happy to add my two cents to successfully upgrade your amazing app. Regards.

Hii Sir/Mam Thanks for posting this project. I am ROR developer & programmer, specialized in full stack Ruby on Rails-ROR development, having 3+ year extensive experience in custom ROR web development, website, portal & web application development, and building innovative, highly customized, robust, feature-packed and modular Ruby on Rails - ROR solutions. Warm Regards