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

I assisted a client in decreasing the number of daily requests by 2 million on a specific endpoint. Furthermore, I aided the same client in boosting the success rate of their integration tests from 65% to 80%.
I conducted interviews with external candidates and participated as an expert in 3 months internship.
My expertise is mainly in the area of Ruby and Ruby on Rails, but I also have experience with other technologies such as Sidekiq, Trailblazer, GraphQL, RabbitMQ, Kafka, Docker, AWS, and Terraform. 

I have worked on several high-load projects, including a food delivery project that operates in 13 countries with over a million orders per week. During the project, I participated in five sub-projects and acted as a tech leader for most of them, with responsibilities that included sharing knowledge, defining project goals and tasks, and helping others. I also worked on a big e-commerce platform that sells fishing equipment in seven countries, where I was responsible for architecture and design, requirements analysis, estimation, prioritization, distribution of tasks, code development, unit testing, and fixing defects.