Mykhailo A, Senior Architect Full-Stack RoR Engineer

 Ruby on Rails Developer 

Mar 2021 – Feb 2022 

Project: “Rocket, logistics dept ”, Backend Developer 

Foodtech startup. Fast food delivery service from restaurants and products from supermarkets to users. 

Major accomplishment: Working in the courier domain. Mostly was attached to delivering orders, matching orders with couriers. Also, integration with external services to provide a better user experience for our couriers. 

Technologies: Rails, PostgreSQL, AWS Services, Rspec, Sidekiq, PostGIS, Docker, WebSockets, ElasticSearch 

NEARSHOREFRIENDS, Ruby on Rails Developer 

Feb 2020 – Mar 2021 

Project: “MissionChief”, Full-stack Developer 

Mobile game. Emergency call-center simulator based on a real map. 

Major accomplishment: Took a part in major Rails version update, actively using Ruby and JS to deliver new features, worked on new architectural approaches to solve performance issues Technologies: Rails, PostgreSQL, Sidekiq, Stripe, PayPal, RSpec, Faye, Jenkins 

LITSLINK, Ruby on Rails Developer 

Oct 2015 – Dec 2019 

Project: “RiskNet”, Backend Developer 

Anti-fraud analytics system for monitoring incoming transactions from street terminals. Major accomplishment: Code refactoring, locating and solving performance issues, new features. Technologies: Rails, PostgreSQL, Torquebox 

Project: “AlphaTradeBot for Telegram”, Backend Developer 

Expert system Telegram bot. Assists to invest users money into cryptocurrency trading by giving basic profit predictions and connecting with professional traders. 

Major accomplishment: Developed API server for Telegram bot. 

Technologies: Rails, Telegram::Bot, AWS S3, PostgreSQL, Administrate, Clearance 

Project: “PlusOne”, Full-stack Developer 

VR based smart tutor which helps Asian students to learn English. 

Major accomplishment: Developed server for VR devices and Web UI from scratch. Technologies: Rails, JS, Gengo, Stripe, AWS SDK(S3, Polly), PostgreSQL, Mongo, Sidekiq, Redis, Devise, Pundit, Docker

Project: “eLab”, Full-stack Developer 

Part of a “Toolook” project – neural network for visual content generation. Helps operators to manage the learning process and publish successful results to the main application. 

Major accomplishment: Developed a flexible architecture with a complex GPU network for performance and fault tolerance of the whole system. 

Technologies: Rails, Ember, Capistrano, PostgreSQL, Sidekiq, Redis, Devise, Pundit, RSpec, Capybara, Docker, Bootstrap 

Project: “Vape API”, Backend Developer 

Social network for vapers. 

Major accomplishment: Implemented an independent application that provides all the necessary functions for the mobile client. 

Technologies: Rails, PostgreSQL, PostGIS, ActiveModelSerializer, Kaminari, Carrierwave, Administrate, ActiveInteraction, Unicorn 

Project: “Autrun”, Full-stack Developer 

An app for car drivers for managing tracked routes. 

Major accomplishment: Developed new version of API. Supported frontend team. Technologies: MongoDB, GoogleMaps JS API, Carrierwave, Rails, Bootstrap, GeoIP, Devise, CanCanCan 

DAXX, RoR Developer 

March 2015 – August 2015 

Project: “NowShop”, Full-stack Developer 

Ecommerce solutions for online marketplaces creation 

Major accomplishment: Creating new shops and sites for administering all of the ecommerce solutions. Also, integration between 3rd party systems. 

Technologies: Rails, PostgreSQL, Resque, Redis, Nokogiri, Bootstrap, RSpec, Capybara 

KAIROS DEVELOPERS, RoR Developer 

Dec 2013 – Feb 2015 

Project: “Property Vista”, Backend Developer 

Property management platform with ability of integration into existing sites for the apartment rental. Major accomplishment: Implementation of new features requested by platform users. Technologies: Rails, Omniauth, PostgreSQL, Redis, Amazon Web Services, Paperclip, Resque, Rspec 

Project: E-Commerce Application for Conference and Audio-Video equipment, Full-stack Developer A web portal for industry-leading AV integrator. Allows consumers to buy professional AV equipment from whole-world suppliers. 

Major accomplishment: Developing admin panel. Integration with 3rd party services. Technologies: Rails, Grape API, MySQL, Jenkins, Bootstrap, Spring, RSpec, JQuery, Carrierwave, Selenium

EDUCATION 

Donetsk National Technical University 

2006-2011 

Intelligent decision support systems, 

Master's degree - Computer Systems Analyst 

INTERESTS 

Volunteering, martial arts, archery, motorcycle, antique philosophy, drums