Alexandr Kolesnik

Education

B.S. in Computer Science Achieved in 2016
California State Univerity Northridge

Full Stack Developer Leaps & Rebounds 2017 - Present

Enhanced our website, created new sections and improving load times, doubling conversion rate.
Implemented & wrote tests for Ruby on Rails backend code responsible for synchronizing orders with our shipping provider.
Created a system using webhooks to notify staff of possible fraudulent orders.

Web App used to predict random events such as enemy encounters and item drops in Suikoden (Playstation 1 Game).
Reverse-engineered game code to determine how random number generation is calculated and used to determine game events.
Written in Typescript and uses React & Semantic UI for the User Interface. Whole application is client-side and is hosted on GitHub pages.
Wrote an algorithm to find the user’s RNG value out of 2³² possible values in O(n) time and O(1) space complexity. It takes a sequence of battles as an input and finds the same pattern using Bayer-Moore algorithm.

partyq | Repo

Live social playlist controlled by users. Each group of users have their own room for their music.
Users add songs from Youtube/Soundcloud and control playlist order through a simple voting system.
Backend written in Nodejs and uses Redux and Socket.io for managing application state and live updates.
Frontend written using React.
First place winner at Computer Science Senior Design Showcase

Languages: Javascript, React, CSS, HTML, Lua, C, Java, Ruby on Rails, Python.
Tools & Services: Linux, git, Shopify, AWS, Heroku, standard Unix tools.

alexandr.kolesnik.92@gmail.com • (818)983-7019 • GitHub