Mykhailo – React, JavaScript, Typescript

A platform for online courses, payment processing, and sales.

• developed the component library and Dunning/Inkasso feature
• Integrated payment methods: Klarna, PayPal, IDeal, Twint
• Migrated a platform from JS to TS

Cybercrime intelligence platform

• implemented UI themes (dark, light) for UI
• Made migration of UI build system to Webpack
• Updated z-framework for compatibility with es6
• Design and implement features

The platform where digital content creators can sell their intellectual products.

• implemented UI themes (dark, light) for UI;
• implement a library of video sources;
• added analytics for sellers;
• extended admin functionality.

Web service provides advice to patients on preparing for surgeries or recovering after surgeries.

• led the UI part of new functionality for new user roles;
• developed new features for new user roles;
• implemented pixel-perfect views based on design.

A web service for managing patients, treatments, and medications in medical institutions.

• created a warehouse module for managing medications;
• integrated the warehouse module into the existing functionality and data pipeline to make it work together;
• added exporting medical data from the third-party tool to the internal data pipeline;
• extended and changed the current features and changed the current features' behavior depending on the country mode.

This application helps business users to find the right instances and calculate the cost of running a business in the cloud. Also, it provides a cloud budgeting and forecasting tool that helps businesses make cloud choices by scanning services from simple web applications to big data analytics.

• split up an existing web application into independent packages that can be used as building blocks for making versions of the web application;
• designed and chosen an approach on how to implement widgets for displaying data payment information and statistics;
• implemented and delivered widgets to production.

The marketplace for sculptures.

Mykhailo co-funded this startup and also contributed as a front-end developer.

• designed and created frontend architecture;
• made market research;
• mentored trainee frontend engineer.