- Creating web pages using HTML5, CSS3, JS/TS, React.js,
- Working on responsiveness of the application using Bootstrap,
- Creating React-components, Forms, Events, Keys, Router, Animations and Redux concept,
- Styling React-components using css-modules, styled-component, Sass/Scss,
- Implementation new Front-End features with JS/TS and RESTful APIs,
- Implementation authentication and authorization mechanisms using JWT and OAuth,
- Transforming a Legacy JavaScript Project to TypeScript: Implementing Type Safety and Shipping Bug-Free Code,
- Implementation modules into Node.js to integrate with designs and requirements.

- Development APIs using Node.js, Express and MongoDB

- Created an admin panel for an application for managing access/rights to corporate accounts, pagination, writing unit tests (Jest, React Testing Library),
- Created of functional UI React-components, as well as optimization of existing ones (most often through useMemo, useCallback, React.memo, useContext),

- Developed REST API automation test scripts using Java Script (Chai.js, Node.js)
- Executed Functional Testing, Regression, Compatibility, Smoke and Sanity Testing
- Wrote SQL queries (PostgreSQL) to perform backend data validations,
- Created automated test scripts using Cypress automation tool using JavaScript

- Writing test cases using Selenium Web driver,
- Creating a GUI for “Real Time” systems using Python
- Testing “Real Time” systems – “client-server” system using “socket” package,
- Executing Scripts for Regression, Smoke and Sanity testing.