1) Mobile apps development using Flutter and React-Native for iOS and Android.2) Frontend development using React, Redux, TS.3) Implement UI/UX, business logic using different approaches, work with socket connection and animations.4) Work with flutter animations and different state managements such as Bloc, GetX, Provider and Riverpod. 5) Directs software design and development6) Modify existing software to correct errors and optimize efficiency

1) Create new features, capabilities and functionality on the eCommerce, logistics and business apps using Flutter, Firebase and Dart.2) Develop web applications using JS, TS, React and Angular.3) Solve optimization and performance problems.

Projects:a) SiriusResponsibilities: Frontend part and mobile.Technologies: React, React-hooks, Redux, Redux-thunk, TypeScript, Typescript-FSA, Flutter, Express, MongoDB, Flutter.Team: 1pm, 1tl, 3devs, 1 des.About the project: Web and mobile applications for American charitable foundation. I developed frontend part of the application (user interface in accordance with design in Figma). I worked with authorization logic, account features, different form features and took part in landing page creation for this project. I had a problem with unnecessary re-rendering and solved this issue by using React.memo HOF, useMemo and useCallBack hooks. I used typescript-fsa for store management typing. Also I took part in flutter development when we built a limited mobile app version.

Projects:a) “Интерактивная система управления контентом технополиса ЭРА”Responsibilities: Fron-tend part.Technologies: React, Redux, Redux-thunk, JavaScript, Express, PostgreSQL.Team: 1pm, 1tl, 3devs, 1 des.About: Web-application was ordered by the Ministry of Defence. The purpose of the app was terminals managing in Innovative Scientific Center. I developed UI for the account and managing features for communication terminals. I used UI framework Material UI to build responsive interfaces. State management was implemented by flux approach. I applied redux-thunk middlewares to deal with server-side.b) “Система управления образовательным процессом Военной Академии МТО им. Хрулёва”Responsibilities: Fron-tend part.Technologies: React, Redux, Redux-thunk, JavaScript, Express, MongoDB, PostgresSQL.Team: 1pm, 1tl, 2devs, 1 des.About: This web application was ordered by the Ministry of Defence as well. I created accounts for teachers and cadets, class schedule pages and uploading/downloading files. I created state management by implementing of redux library. During the project, I faced to forms updating problem and their validation and I solved it by using of redux-form. I used MaterialUI as UI framework.c) “Электронная библиотека”Responsibilities: Fron-tend part.Team: 1pm, 1tl, 2devs, 1 des.Technologies: React, Redux, Redux-saga, JavaScript, PHP, PostgresSQL.About: The app was ordered by the Ministry of Defence. I created account features, books/author list displaying and books searching features. During the project, I implemented redux-saga for async requests to server-side. I faced to data updating problem after store changes and solved it by static lifecycle method ‘getDerivedStateToProps’. I also had a problem about customizing reused component and solved it by ‘High Ordered Component’ technique.