Max Hubskyy, Developer in Kiev, Ukraine
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Max Hubskyy

Verified Expert  in Engineering

Software Developer

Kiev, Ukraine
Toptal Member Since
July 18, 2012

Max is a skilled full-stack developer with a decade of experience in web and software engineering and a focus on JavaScript and its major libraries and frameworks. His ultimate aim is to deliver perfect final results for project requirements while never missing deadlines and always maintaining high code quality.


VictoryChart, D3.js, PostgreSQL, Flask, MobX, React
React, D3.js
Amazon Web Services (AWS), Socket.IO, Node.js, MongoDB, React, Elasticsearch...




Preferred Environment

MacOS, Windows, Linux, Visual Studio Code (VS Code)

The most amazing...

...thing I've built is a graph chart with descendants and difficult calculations to display with metrics for complex analytics.

Work Experience

Full-stack Developer

2019 - 2019
  • Built an enterprise dashboard SPA with multiple custom charts and components.
Technologies: VictoryChart, D3.js, PostgreSQL, Flask, MobX, React

Front-end Developer

2019 - 2019
  • Created a custom enterprise React component to represent a supply chain view.
Technologies: React, D3.js

Full-stack JavaScript Developer

2017 - 2019
  • Built an enterprise application based on microservices and high load architecture.
Technologies: Amazon Web Services (AWS), Socket.IO, Node.js, MongoDB, React, Elasticsearch, JavaScript

Full-stack Developer (MERN Stack) and MongoDB Expert

2017 - 2017
  • Developed and consulted for MongoDB databases.
  • Built React components.
  • Created a Node.js-based API for the React application.
Technologies: D3.js, C3.js, React, Node.js, MongoDB

Lead Developer

2013 - 2017
Portbox (
  • Built an enterprise single-page application with rich UI and complicated MongoDB database.
Technologies: Node.js, MongoDB, AngularJS, JavaScript

MEAN Developer

2016 - 2016
Wikistrat (via Toptal)
  • Developed under the Atlassian API using BDD and drawing D3.js charts.
Technologies: Mocha, MongoDB, D3.js, Atlassian, AngularJS, Node.js

Front- and Back-end Developer

2016 - 2016
  • Created React components, Redux application architecture, and Stripe API and email services.
Technologies: Parse, Stripe API, Node.js, Redux, React

Back- and Front-end Developer

2014 - 2015
  • Created fast and difficult queries with MongoDB, Node.js REST services, AngularJS directives, and AWS integration.
Technologies: MongoDB, AngularJS, Node.js

Software Developer

2012 - 2013
MATERIAL WRLD (via Toptal)
  • Developed various features on the front and back end to prepare for a major launch.
Technologies: CoffeeScript, JavaScript, Node.js

Software Engineer

2012 - 2013
Viki (via Toptal)
  • Worked on the real-time application (front-end, back-end, and double-directional protocol websockets for interacting between them) for editing and translating subtitles simultaneously by different users.
Technologies: MongoDB, Node.js, WebSockets, JavaScript

Software Developer

2012 - 2012
Keenprint (via Toptal)
  • Created a business card editor with a lot of options (creating cards with different 2D transformations).
Technologies: CSS3, HTML5, JavaScript

Web Developer

2012 - 2012
  • Implemented front-end and back-end parts for the authentication process, password reset.
  • Implemented the email sending, account registration and the UI for these features. The application allows users to store events, photos and files.
Technologies: HTML5, CSS3, MongoDB, Express.js, Node.js

Web Developer

2011 - 2012
  • Implemented custom jQuery plugins and used the jQuery UI widget for a sales field rep management application to organize code in a good structure for UI components (wizards, dialogs, grids) with separated initialization, rendering, and data manipulations.
  • Used the Backbone.js library to follow MVC in the whole application.
  • Used the JEFRi custom framework, which allows one to work with the database directly from JavaScript. It is similar to Mongoose, but with a few security restrictions.
  • Implemented models and business logic in the PHP side.
Technologies: PHP, Kohana, Backbone.js, jQuery, JavaScript

Web Developer

2011 - 2011
  • Implemented both the front-end and back-end of the application (both used low level JavaScript, CSS3 and xHTML).
  • Did the site build of the design from PSD files.
  • Used the Evernote API library and the Thrift platform to communicate with the Evernote server.
  • Used HTML5 local storage to save the data in JSON format.
  • Implemented the data layer to serialize into JSON.
  • Used the Mootools library to make the application's code easy to read and maintain.
Technologies: MooTools, jQuery, JavaScript

Web Developer

2008 - 2011
  • Developed for a US-based company's enterprise online-analytics application (like "Omniture") with rich UI.
  • Developed on the web in Adobe Flash and Flex (Rich UI components), JavaScript, and Java.
  • Developed new UI features, made improvements to the UX, and refactored code.
  • Implemented a lot of UI components using ActionScript 2/3 and enterprise custom data grid (with the complicated behavior, custom tree views inside, lazy loading, custom item renders, and custom charts).
  • Developed with JavaScript, xHTML, and CSS2.
  • Used the YUI library for UI components.
  • Worked with JBoss and Tomcat web servers and a hypersonic DB.
Technologies: JBoss, YUI, ActionScript 3, ActionScript 2, JavaScript, Flex, Flash


This project consists of a code file, trpc-utils.js, which facilitates seamless communication between the client and server sides of the Pokki platform, accomplished using low-level JavaScript functions.

Enterprise Application

An enterprise application for web analytics and marketing optimization solutions. I worked on the project as a front-end engineer (JavaScript/Adobe Flex, and Flash).

BCG - Supply Chain React Component

A supply chain interactive component built on D3.js and React
2003 - 2008

Bachelor’s Degree in Computer Science

Ivano-Frankivsk National Technical University - Ivano-Frankivsk


D3.js, React, jQuery, Node.js, Underscore.js, C3.js, Socket.IO, MooTools, Backbone.js, YUI, Stripe API, MobX, Google Analytics API, X (formerly Twitter) API


Mongoose, Evernote, Flash, Atlassian, Mocha, Google Analytics, Jira, Adobe Photoshop


AngularJS, Adobe Flex, Express.js, Kohana, Flex, Redux, Flask, Angular, Cairngorm


JavaScript, CSS3, ActionScript 3, HTML5, ActionScript 2, CoffeeScript, Java, PHP


MongoDB, MySQL, Elasticsearch, PostgreSQL


JBoss, Visual Studio Code (VS Code), Parse, Amazon Web Services (AWS), Linux, MacOS, Windows


Agile Software Development, Concurrent Programming, Test-driven Development (TDD)


Back-end Development, WebSockets, VictoryChart, Google Tag Manager, SVG

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