Position: Ruby developer
Category: Ruby
English level: upper
Years of experience: 7

Updating a large project with legacy code, from the ruby version to the main gems and tools used for this. 
Work with WebRTC API for user video recording.
7 years of Ruby and RoR experience, backend in the main. From small sites to legacy code in a huge project. 
Support legacy applications.
Identify bottlenecks and bugs, and devise solutions to these problems.
Worked with optimization SQL queries.
Developing features using Ruby on Rails, HTML, CSS, and JavaScript.
Manage to create new RoR apps from scratch to deploy to AWS.
Salary expectations are 5000-6000 EUR (gross) depending on a) our match b)the scope of responsibilities.