Iot service, backend development, website for managers and adminsImproved and optimized rspec test suit for two projects (2x faster, fixed all flaky tests)Upgraded gems and ruby versions

Mortgage service B2B for banks. Backend, microservices, RoR, Postgresql, Rabbitmq, DockerDeveloped and deployed a mortgage B2B service for banks, reducing processing time by 30% through optimized backend architectureSuccessfully done heavy refactoring: remove Trailblazer

Startup with my friend, backend for mobile app: Ruby on Rails, mongodb, redis

Worked on the backend of the project pravilno.ruI have been developing on Ruby on Rails, using postgresql, redis.I raised and configured database machines, postgresql replicas, and ELK on aws.Refactored and wrote tests

I made and maintained websites, working with customers directly.Fullstack web sites, RoR, JS, Angularjs

Development of websites and servers for mobile applications.I was a full stack developer in a small company, we developed custom websites. I mainly used Ruby on Rails, postgresql, jquery. I also had experience working with angular and mongodb.Also worked on: designing, deploying and administeringwebsitesWeb development, DevopsRuby on Rails, postgresql, jquery. Angularjs, Mongodb.