●Design architecture, implementation of backend (Ruby) and front(JQuery) for all of the system. ●Integration third-party API(RapidAPI, WeatherAPI etc.) ●Configuring own Docker images, Docker compose containers(application, PG,NGINX, Redis), volumes and deployment to production ●Configuring DNS. ●Configuring Telegram bot as customer interface. ●Implementing unit, integration tests with RSpec. ●Working with and configuring CircleCI. ●Developing ActionCable updates and configuring it through NGINX.

●Coordinate team ●Clarification requirements ●Performed qualitative code reviews ●Participated in refactoring activities ●Scrum activities: planning, requirement gathering, engaging, developing new functionality, verifying, bug fixing, lead retros, feedback gathering, improvingproject flow. ●Participate as the team representative in cross-team retrospectives

●Design, implementation and improvement of backend (RoR, Ajax) for CRM-system project. With scheduled tasks (Whenever). Mailing system (standard Rails mailer) with custom mail services integration (Gmail, mail.ru, Yandex). Custom 1c exchange API. ●Arch and Ubuntu Linux server administration and app deployment (Nginx + Passenger). Also used automated deployment via Ansible. ●Design, implementation and improvement of frontend (jQuery, different gem wrappers for js components, simple_form with custom inputs and wrappers, Foundation).