Олексій

Oleksii Kozhanov Telegram: https://t.me/lyosha_k
React Native Developer e-mail: [відкрити контакти](див. вище в блоці «контактна інформація»)
linkedin: [відкрити контакти](див. вище в блоці «контактна інформація»)
kozhanov-a6393a212

Summary of qualifications
• High level of JavaScript knowledge.
• Solid experience of React Native developing.
• Experience of creating of web services using React.js and Next.js.
• React Hooks.
• HOCs
• REST API.
• App submitting experience (AppStore, Play Market).
• Working with databases (MS SQL).
• Backend developing (Node.js).
• Proficiency in design bases and tools using (Figma).
• Both Android and IOS developing.
• GitHub, Bitbucket, Jira, Jenkins.

Technical skills
Languages: JavaScript ES6+ (senior level), TypeScript (senior level).
Frameworks: React Native, React.js, Next.js, Node.js.
Relational Databases: MS SQL.
OS: Mac OS, Windows.
Cloud solution: Firebase, Google cloud, DigitalOcean.
Tools: Redux Saga, Reanimated 2, Axios / Fetch, React Navigation, Lodash, Redux Form / Formik,
Moment, Google Analytics, Jenkins, Fastlane, Git,.

Professional Experience

Project 5/23 – Present
Patient medical system for searching and booking visits to doctors. Medical appointments,
prescriptions, medication search, online consulting, decoding analysis from laboratories and many
others features.
Client: Ukraine
Role: React Native developer
Responsibilities:
• developing UI components
• developing logic for all functions and connecting app to the backend with API
• creating and fixing business logic for many relations in different parts of app
• implementing and setting up different libraries
• debugging and refactoring code
• deploy app to the Google Play Console and to the TestFlight

Tools & Technologies:
TypeScript, Rest API, Redux Saga, Reanimated 2, Lodash, App Store Connect, TestFlight, XCode,
Android Studio
Project 1/23 – 4/23
Studying application with video/audio players and text books with opportunity to search and filter
Client: Israel
Role: React Native developer
Responsibilities:
• developing UI components
• developing logic for all functions and connecting app to the backend with API (including
logic for notification action buttons handle functions)
• implementing and setting up different libraries
• debugging and refactoring code
• deploy app to the Google Play Console and to the TestFlight

Tools & Technologies:
TypeScript, Rest API, Redux Saga, Reanimated 2, App Store Connect, TestFlight, XCode, Android
Studio

Project 8/22 – 01/23
This project is application with wallet for buying any product
(analog of Google pay and Apple pay)
Client: United Kingdom
Role: React Native developer
Responsibilities:
• developing UI components
• developing logic for all functions and connecting app to the backend with API (including
logic for notification action buttons handle functions)
• implementing and setting up different libraries
• debugging and refactoring code
• deploy app to the Google Play Console and to the TestFlight
• support project after release

Tools & Technologies:
Javascript, Rest API, Context, Notifee, App Store Connect, TestFlight, XCode, Android Studio

Project 7/21 - 7/22
This project is application for judges to research cases documents and files
Client: USA
Role: React Native developer
Responsibilities:
• creating structure of project
• developing UI components
• developing logic for all functions and connecting app to the backend with API (including
logic for PDF files functions)
• implementing and setting up different libraries
• debugging and refactoring code
• deploy app to the Google Play Console and to the TestFlight
• support project after release

Tools & Technologies:
Javascript, Rest API, Redux-Thunk, Firebase, App Store Connect, TestFlight, Google Play Console,
XCode, Android Studio

Project 2/20 - 6/21
This project is map-based application for courier delivery and tracking routes
Client: Canada, USA
Role: React Native developer, React developer
Responsibilities:
• creating structure of project
• developing UI components
• developing logic for all functions and connecting app to the backend with API (including
logic for map functions)
• implementing and setting up different libraries
• debugging and refactoring code
• deploy app to the Google Play Console and to the TestFlight
• support project after release

Tools & Technologies:
JavaScript, Rest API, Redux-Thunk, Google Cloud Platform (Maps SDK, Places API, Geocoding
API, Directions API), Firebase, App Store Connect, TestFlight, Google Play Console, XCode,
Android Studio

About me:
I have been a developer of mobile applications via React Native for 5 years. I have experience of
creating, developing, and deploying apps for Android and iOS, creating heavy business logic with
many relations, video-meetings, implementing notification services, map-based services, third-
party auth etc. Also, I have experience of developing web sites using React.js and Next.js and
working experience with SQL and databases as a Data Analyst.

Education
• Bachelor degree at Ivan Franko National University of Lviv
Economics Cybernetics

Languages
Ukrainian, English (upper intermediate).

Personal qualities
Able to work under pressure, attentive to details, goal-oriented, quick learner. Friendly, kind and
understanding person. Open to hear any feedback. Love asking questions. Not afraid of new
experience and not knowing something.