Oleksandr Vorobiov

Identifying and fixing memory leaks in Node application. Configuring AWS infrastructure for the project.

Technologies: NodeJS, ExpressJS, AWS, MongoDB

Team lead on the project, creating a WordPress network where the user can easily create a site for donations and receive and pay out payments. Designed and implemented infrastructure on AWS, developing V2 of the application using PHP Laravel as an API and Angular 1.5 + ES6 as the front end.

Became a CTO of this company.

Technologies: CSS, HTML, JavaScript, jQuery, Bootstrap, PHP, WordPress, AWS, Laravel, ES6, Angular, Webpack, NPM, JWT

Full-stack development, developing an application in Angular, writing custom PHP scripts, creating an API using Laravel framework, creating automated Amazon crawler, and integrating and automating Stripe.

Technologies: JavaScript, Angular, PHP, CSS, Bower, Gulp, SASS, Bootstrap, CoffeeScript, Laravel, Stripe

Front-end developer (AngularJS) for this project, implementing new features and updating existing ones, code reviews and refactoring.

Technologies: JavaScript, Gulp, Angular, Underscore, Sass, CoffeeScript, Bootstrap, Bower

Team lead on the project, creating an API for Facebook chat bot.

Technologies: PHP, Laravel

Team lead on the project, creating a simple API and admin panel using Laravel framework.

Technologies: JavaScript, jQuery, Bootstrap, PHP, Laravel

Developed Ansible playbooks for managing infrastructure and a Laravel application for automated managing basic authentication on the servers. Configured Windows and Ubuntu servers, created an admin panel for the API using Laravel Framework, and worked on a couple of product apps written with CodeIgniter.

Technologies: PHP, Laravel, MySQL, Ansible, Git, HTML, CSS, jQuery, Ajax, Nginx, Grunt, SASS, CodeIgniter, Bootstrap, AWS

Designed an API for the iOS app and built it using Node.js. Created an admin panel for the API using AngularJS.

Technologies: JavaScript, Gulp, Angular, Underscore, Sass, CoffeeScript, Bootstrap, Bower, Node.js, MongoDB

Led the team to design the API and its admin panel. Wrote the API and admin panel using Laravel framework and implemented financial formulas to calculate the user's grade.

Technologies: PHP, Laravel, MySQL, Git, HTML, CSS, jQuery, Bootstrap, AJAX, API, LinkedIn API, Google API, Facebook API, Twitter API

Created several Laravel-based websites: one for parsing NFL data, one for managing sensitive data uploads up to 1GB, and one for data stewards that is accessible in the private network. Programmed for a corporate iOS application. Built the initial version of a REST API that processes and returns data for the iOS application. Implemented continuous integration systems. Ran some load testing and improved infrastructure so it can handle 2,500 simultaneous requests. Managed and updated corporate websites. Developed custom Joomla modules. Created Ansible playbooks for automated deployment. Managed all infrastructure for AWS projects. Implemented analytic data visualization from OLAP Cubes. Migrated database processes.

Researched optimization of existing websites and infrastructure. Created the admin panel (dashboard) for the ETL processes as well as the metrics aggregator fully configurable through the admin panel. Created visualizations for the different types of metrics.

Technologies: PHP, Laravel, Symfony2, MySQL, Ansible, Git, HTML, CSS, jQuery, Ajax, Joomla, WordPress, AWS EC2, Bootstrap, Heroku, API, MS SQL, Angular, Google API, DynamoDB, AWS RDS, AWS Beanstalk, AWS S3, AWS Route 53, AWS SES, MongoDB, MEAN stack

Created the initial version of the internet shop. Optimized the site for the search engines and updated the template of the web site. Developed custom features for the internet shop, updated the feel and look of the site periodically, and performed technical support for the owners.

Technologies: PHP, JS, HTML, CSS, jQuery, AJAX, Data Life Engine

Created a social network for people who are trying to lose weight. Created a design similar to vk.com. Optimized the website for search engines, and built and updated functionality of the social network.

Technologies: PHP, JS, HTML, CSS, jQuery, AJAX

Created a website for watching movies online. Programmed an automated film adding system for the site. Optimized the website for search engines. Developed a parsing system that parses the Internet on the fly and finds film players, torrents, etc. Created and implemented a responsive template for the site.

Technologies: PHP, JS, HTML, CSS, jQuery, AJAX, Data Life Engine

Created the company's corporate site and optimized the site for search engines. Created and implemented the template for the site and consulted with the owners about technical details.

Technologies: PHP, MySQL, JavaScript, jQuery, Data Life Engine

Created a parser from an automatic control system using Yii framework. Optimized a MySQL database and organized the data for future use.

Technologies: PHP, Yii, MySQL, JavaScript

Created the initial version of the Internet shop. Optimized the site for search engines. Updated the template of the site. Developed custom internet shop features and performed code and database optimization.

Technologies: PHP, MySQL, JavaScript, HTML, CSS, jQuery, Data Life Engine