• building and maintaining Ops Portal SDK for Delivery Hero plugin developers• building and maintaining Ops Portal plugin tools (DH private npm package with essential toolings for DH plugin developers)• built the Delivery Hero SSO FE application• redesigning Ops Portal (migration from Material UI to in-house Armor Design System)• performance improvements and optimizations• setting up the monitoring (Datadog, Sentry)• created and led the Inner Sourcing project helping other developers within the company to contribute to Ops Portal• introducing code styling standards• participation in all types of plannings and brainstorming sessions• designing and implementation of different features, based on brainstorming sessions, product and • developers feature requests• launching new brands• providing and maintaining documentation• writing and reviewing RFCs inside and outside of the team• technical support for Delivery Hero plugin developers• participating and sharing knowledge in Developers Web Service Frontend Chapter

• building user interfaces for funnel and checkout (all countries except US)• launching HelloFresh in new countries• developing experiments in order to increase conversion rate• building A/B tests• building internal dashboards (Open-source example: https://github.com/hellofresh/janus-dashboard for https://github.com/hellofresh/janus)

Project: https://www.ecenglish.com/Responsibilities:• building architecture of the Front End application• converting mockups to real user interface

Projects:• https://www.swagbucks.com• https://demo.chabadms.comResponsibilities:• support and development of new features on legacy American project Swagbucks• developing CMScloud (Trusted Chabad Management)

Projects:• http://meteoprog.com• http://hochu.ua• http://www.likar.info• http://www.ua-football.com (mobile version)Responsibilities:• creating layouts for full redesign of websites and partial additions for existing websites of the company • creation of widgets for different purposes

Responsibilities:• creating layouts for sites on Wordpress• translating graphical and interaction designs to a working interfaces