The main responsibilities of a full-stack developer on a food delivery online service project using React, Node.js, NestJS, and TypeScript include:- Developing frontend UI components with React and TypeScript.- Building backend APIs with Node.js and NestJS for user authentication, data handling, and business logic.- Integrating with external services such as payment gateways and notification systems.- Writing unit and integration tests for both frontend and backend code.- Optimizing performance and scalability of the application.- Collaborating with designers, project managers, and other developers for effective project execution.

Developing and testing applications from scratch, ensuring optimal performance,using React, Node.js, Docker and GitLab- Implementing efficient and reusable solutions with various React components- Customizing solutions with dynamic input for the customers needs, using REST API- Developing responsive design using CSS- Collaboration with the team to develop and support the backend system onNode JS, Nest.js, MongoDB.- Ensure the scalability, performance, and security of the applications.

Development of a large information portal with more than 2M unique visitors per day. • Developing dynamic content using PHP, Node.js on the server side and UI development using React with CSS animation. • Supporting updates and versioning bringing the project to the top 5 in the search engines. • Fully transferring a project from React to YII2

Developing applications using Joomla system and React • Implementing responsive design and animation in app design • Promoting the app in search systems. • Designing application structure aligned with Google Analytics and Yandex Metrica.