Stas Zelenko Email & Phone Number

Познань, Великопольское Воеводство, Польша

Technologies: Vue.js, Vue-router, Vuex, WebSocket, BEM, SCSS, REST, API• Redesigned a restaurant CRM application fully, building on an existing system. Created dozens of flexible UI components developed with Vue.js to match the new Figma prototypes.• Developed a complex marketing bonus system with Vue.js and Vue Composition API, which includes a large number of forms and conditions.• Helped scale the restaurant POS systems that provide owners with an effective vehicle to automatically manage the entire operation, including inventories, flexible payment, financial control, and more.• Performed the code reviews on PRs of fellow developers to achieve the optimal usage of shared components and code readability.• Tracked and fixed bugs using Yandex tracker as a reporting tool.

Минск, Республика Беларусь

Technologies: JS, Vue.js, Nuxt.js, SCSS, BEM, Element UI, Axios, SSR, Ruby, Ruby on Rails, PostgreSql, Sidekiq, Devise, Pundit, Jwt, Stimulus.js, REST, API, Redis, Passenger• Full Stack development of the platform for international students applying to the universities of Belarus. • Using Ruby on Rails for an administrative panel and API, Nuxt.js for a marketplace.• Developed the University content management account with Nuxt.js.• Performed the code reviews on PRs of fellow developers to achieve the optimal usage of shared components and code readability.​​• Designed wireframes using Figma and converted them into Vue.js components with a mobile-friendly interface to allow users to access the system when using multiple devices.• Designed the architecture of the front end, back end, and database scheme.• Estimated features and assisted with project planning.

Technologies: Vue.js, Vue-router, Vuex, BEM, SCSS, Ruby, Ruby on Rails, PostgreSql, Sidekiq, REST, API, SQL• Full Stack development of the high-volume web application using Vue.js as front and Ruby on Rails for backend.• Developed a straightforward achievement system for KarmaBot application.• Implemented a system to collect continuous and anonymous feedback on Slack.• Implemented a system for scheduling regular tête-à-tête group video calls at Slack via KarmaBot.• Integrating with third-party services and external Slack API as a part of implementation of the KarmaBot.• Integrating Daily WebRTC developer platform via API for realization of Karma Connect service.

Минск, Республика Беларусь

Technologies: Ruby 2.3.4, Rails 5, JS, jQuery, Ajax, React, HTML, CSS, Bootstrap 3, SASS, PostgreSQL, delayed_job, Redis, Phusion Passenger, Puma, ActionCable, Rspec, Capistrano, Minitest, Capybara• UI updates, features development, unit tests, integration tests, technical expertise, code review.• Designed the architecture of the back end, and database scheme.• Estimated features and assisted with project planning.