Position: Senior Ruby on Rails Developer
Category: Ruby
English level: upper
Years of experience: 4

I've passed Cambridge English certification for B2 level.

As for programming: I like metaprogramming and use it where it's suitable and I've completed an Optimization course from Thinknetica school and can debug any performance issue in the application.
One of my projects(the most interesting) I worked on was a Health Care system for hospitals in the USA.
Stack:
Ruby on Rails 5, Sidekiq, MySql, Rspec, Vue.js 2/3, Jest, Typescript, AWS, Docker, RabbitMQ, WebSockets, Capistrano/GitLab CI, Node.js, Protobufs, New Relic, Grafana

My position was FullStack developer. Responsibilities: developing new features on Legacy(Vue2), fixing bugs, then migrating to the new architecture(Vue3, RabbitMQ, Gitlab CI, AWS).

There were several microservices on Node.js(Bot engine), Elixir(Websockets engine), Ruby(Service for RabbitMQ), Typescript(12 Vue apps)
I want to focus on the Back-end side and fix something on the Front-end side only in critical situations.