● Maintained legacy and modern UI applications (React.js);

● Collaborated with cross-functional teams, participated in roadmap planning;

● Rewrote legacy web app to modern React18 tech stack + Webpack Module Federation (micro-frontend) with independent CI/CD for each team.

● Added new features to the internal service’s UI using Typescript, React.js, and refactored it to the best practices using React.Context;

● Improved e2e tests flow migrating from Puppeteer to Cypress.js;

● Supported backend using Golang and Node.js;

● Embedded React app to the custom microfronted platform.

● Created React.js plugins to reflect live graphs for videoconference platform;

● Rebranded, stylized, added new functionality to the platform;

● Integrated dashboard from old platform to the new one;

● Created new admin panel, new meeting scheduler, new authentication flow;

● Created REST API using node.js and mongo.

● Created new plugins for trading platform of big European bank with unit, component and integration tests using Jest;

● Created a new platform with modern stack;

● Supported existing trading platform combining legacy and new codebase.

● Created new pages and components with React.js, styled-components;

● Created big forms with custom validation logic;

● Maintained a front-end components library using react-styleguidist.