Co-founded Swiss startup in clinical research field. Designed and developed web and mobile client applications using Elm/React/React Native stack. Developing pages, forms, interactive components on the frontend, RESTful API and microservices in Go + PostgreSQL on the backend. Managed 3 AWS environments.Achievements:* designed frontend stack combining Elm + Redux to reduce the amount of potential runtime exceptions in JavaScript* led a small team of senior engineers* visually designed both mobile and web clients* developed a library of reusable components for cross-platform* built error-proof Elm layerTechnology stack:Elm, JavaScript (React, Redux), Golang, PostgreSQL, AWS, HTML5, SASS, gitTools: vim, Chromium / Firefox / Safari, Linux, GIMP, Inkscape

Enterprise web application bound up with electronic document and data management systems to provide efficient way of getting role-based access to the regulatory information. The system is a highly customizable single-page Angular.js web portal with responsive design which provides access to a collection of big amount of analytical widgets.The main goal of the application is to simplify and standardize regulatory management in 180+ countries. A lot of the time was dedicated to create scalable and easy-to-maintain architecture and to make user experience as enjoyable as possible.Achievements:* developed a SPA Angular.js web portal from scratch* integrated Appian BPM system in the portal* developed from scratch a scalable and fully reusable React + Redux framework for creating complex forms and workflows* created a full pack of visual content: static images, icons, animations, etc* implemented a one button building solutions using git, Grunt, Webpack and make* developed a custom domain-specific testing framework using Selenium and nightwatch.js* resolved a bazillion amount of bugs related to iframes, and IE* participated in development of network analyzing toolsTechnologies: JavaScript, ECMAScript 5, ECMAScript 6, Node.js, Angular.js, React.js, webpack, TypeScript, HTML5, SASS, Less, CSS3Tools: vim, Sublime Text 3, Node.js, npm, Grunt, Bower, Jasmine, Apache, Selenium, GiMP, FAR Manager, cygwin, PowerShell, MoqupsCVS: git

A series of similar projects related to designing and developing user interfaces for embedded devices, especially for set-top boxes, to work with different TV companies and content providers of all over the world. Customers wanted to see the newest design trends and the latest developing technologies in their products. At every product release, the customer had to get high-quality rich animated user interface for Dune HD set-top boxes running on the on-board web browser.Responsibilities:* designing and developing own HTML5 Canvas based lightweight JavaScript framework to increase UI development speed* developing user interfaces for set-top boxes with strong performance optimizing due to low hardware resources and limitations* designing different backend parts and tools for Linux-based STB* participating in designing user experience* teaching and training othersTools: vim, Sublime Text 2/3, make, Jasmine, nginx, GiMPTechnologies: HTML5, Canvas, native Javascript (ECMAScript 5), PHP5, C++, sh/bashCVS: git

The main goal of project was porting a desktop enterprise application to the web with user experience re-designing due to high-speed growth of amount of features. Application had to provide full-featured process of the procurement and invisible document automation. The emphasis was placed on designing and developing big data grids and interaction with them.In the last part of development, application became responsible and working on all kind of devices.Responsibilities:* developing single page responsive application;* designing user experience;* developing middleware for application needs;* developing UI components;* pixel perfect layouts and design;* engaging design solutions with customer;Tools: Microsoft Visual Studio, Microsoft Visio, IISTechnologies: ASP.NET MVC, HTML, CSS3, JavaScript (KnockoutJS, BackboneJS, ExtJS, Sencha Touch, jQuery, jQuery UI), TypeScript

Software developing, automatization the selection of goods, web-site design and developing, administration, plugin developing.Used technologies: PHP, XSLT, MySQL, JS

The aim of project is to sell the mobile phone accessories of premium segment through online web site. As a minimum value product, this online shop should implement showcase feature with simple cart and be ready for SEO. Showcase grew to the modern-looking innovative part of shop that can provide WYSIWYG principles to accessories selection. On the other side customer needed some desktop tools to gather the newest information in world of accessories and importing it to the database with minimum interaction.Responsibilities: * software developing* maintaining the whole product development* website design and developing* website administration * plugins developingTools: Microsoft Visual Studio, Sublime Text 2, Microsoft Visio, ApacheTechnologies: PHP, XSLT, MySQL, JavaScript, .NET

Developing UI for ticketing-systems for terminals. Used technologies: PHP, Flex, MySQL