Position: Ruby Backend Developer
Category: Ruby
English level: upper
Years of experience: 5

Delivered a startup e-commerce platform to the production from scratch
Designed a complex asynchronous version control and data migration management system.
Developed an authentication system for the e-government project.
Ruby Backend Engineer
Stack: Ruby + Roda/gRPC/Sneakers + Sequel, PostgreSQL, Redis, RabbitMQ, microservice architecture SaaS application for data migration and synchronization between different external services. Application is built using microservice architecture. Communication is provided by HTTPS and RabbitMQ. Integrations with a lot of parties were implemented (e.g., Magento 2, Nova Poshta, MailChimp).

Ruby Backend Engineer
Stack: Rails 6, Sidekiq, Redis, PostgreSQL, Heroku
E-commerce platform for renting. Several integrations with external systems were implemented. Application is hosted on Heroku. Product became a stable release from a prototype. 

Python Engineer
Stack: Python + ML stack
Machine learning model for predicting the maximum and the average waiting times for boarding an airplane
I'd like to engineer and develop complex systems, solve complicated and interesting problems with creativity.
Would love to participate in solution architecture part.
Avoid fronted tasks.