Oleksandr Vorobiov

An application for bringing church communities online allowing them to livestream their services through the Internet and over the phone.

I served as the team lead, designed and implemented infrastructure on AWS, and developed the front end using React with TypesScript and the back end using Node.js and Sails.js.

Technologies: React, TypeScript, Node.js, Sails.js, MySQL, TailwindCSS, Sockets, WebRTC, HLS, RTMP, FFMPEG, AWS (EC2, S3, CloudFront, ECS, Lambda, RDS, Route53, API Gateway, Media Live, Beanstalk), Twilio, Ant Media Server, Wowza, Jitsi Meetings, SIP, Contentful, Gatsby, Hubspot, Google Analytics, Segment

An application where the user can easily create a nonprofit site for donations as well as receive and payout payments.

I served as CTO, designed and implemented infrastructure on AWS, and developed v1 and v2 versions of the application.

Technologies used included CSS, HTML, JavaScript, jQuery, Bootstrap, PHP, WordPress, AWS, Laravel, ES6, Angular, Webpack, npm, and JWT.

An application that helps patients and doctors to manage their workflows with insurance companies. I developed the front end using React and API with Sails.js.

I received a letter of recommendation from Kelvin and Urvish, COO and CTO: https://bit.ly/2y3QZRj

Technologies: JS, TypeScript, React, Redux, Node, Sails.js, Stripe, Tailwind, AWS Cognito, AWS RDS, AWS CloudFront, AWS ECS, AWS Lambda

An application that helps venues to sell tickets in a secured way through blockchain. My effort includes different parts of the system; the main focus was the front-end part using React/Svelte/Gatsby and APIs using Node.js.

Technologies: React, Redux, TypeScript, Jest, Node.js, LoopBack, Mocha, Hyperledger Fabric, Gatsby, Contentful, Netlify, Svelte, Sapper, TailWind, Cypress

An application that helps property developers to manage their work with service providers and government councils in the cloud. The app includes a Laravel API and Angular front end for the application as well as implementation of a permissions system similar to AWS IAM and infrastructure on AWS (custom mail server, AWS service integrations, application servers, etc.).

I received a letter of recommendation from Fabien Resilere Technologies, Platform Manager: https://bit.ly/33NfePy

Technologies: PHP, Laravel, JavaScript, Angular, TypeScript, PostgreSQL, Git, HTML, CSS, Nginx, Apache, Sass, AWS

A universal quick checkout solution implemented for multiple eCommerce platforms.

Technologies: Node, Sails, React, Magento, bigCommerce, USAePay

A website for a biker rally event. Includes Joomla configuration and different components like jReviews, EasyBlog, jEvents etc., as well as a custom Joomla template and custom Joomla components and modules.

Received a letter of recommendation from Randy Sturgis, CEO: https://bit.ly/2y4TYZN

Technologies: PHP, Joomla, JavaScript, jQuery, MySQL, Git, HTML, Sass, Apache, CloudFlare

Identified and fixed memory leaks in a Node application. Configured AWS infrastructure for the project.

Technologies: Node.js, Express.js, AWS, MongoDB

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 a Facebook chatbot.

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 management of 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 website. 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 an 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