Siyavushkhon is available for hire

Siyavushkhon Kholmatov

Verified Expert in Engineering

Mobile Developer

Location

Seoul, South Korea

Toptal Member Since

August 4, 2022

Siyavushkhon是一名创新且积极的手机开发者. 作为一名原生Android开发者，他已经使用Java和Kotlin编程语言工作了四年. Over the last two years, 他一直是Flutter框架的全栈移动开发人员. So far, he's delivered solutions in many different fields, such as media streaming portals, fintech apps, and AI systems on end devices for face identification tasks.

Portfolio

Multicard

Flutter, Dart, Kotlin, Java, Android, Android SDK, iOS, Android Studio, Xcode...

PAYMO Uzbekistan

Kotlin, Java, Android POS, Android Studio，近场通信(NFC)...

Turon Telecom

Java, Android SDK, Android TV, Android，依赖注入，api, Firebase...

Experience

REST APIs - 6 years Mobile Development - 6 years Java - 5 years Dart - 4 years Kotlin - 4 years Flutter - 4 years Python - 3 years Artificial Intelligence (AI) - 2 years

Availability

Part-time

Preferred Environment

Android Studio, IntelliJ IDEA, Xcode, Android SDK, Flutter, PyTorch, TensorFlow

The most amazing...

...我开发的项目是一个身份验证应用程序，通过NFC检索护照/身份证数据进行活体检测.

Work Experience

Full-stack Mobile Developer

2021 - 2022

Multicard

为现金返还卡开发了一个iOS和Android移动应用程序，用于设置和管理卡设置以及支付的网上银行功能.
使用Android HCE核心为NFC支付构建了一个自定义的Native Android Flutter通道.
在用户识别服务中使用相机api和ML工具包进行人脸检测.
基于设计布局开发了一个完全自定义的UI元素视图.

Technologies: Flutter, Dart, Kotlin, Java, Android, Android SDK, iOS, Android Studio, Xcode, Firebase, Sentry, APIs, REST, Sockets, KOIN, Dependency Injection, Near-field Communication (NFC), Camera API, ML Kit, REST APIs, API Integration, User Interface (UI), Material Design, Material UI, Push Notifications, Figma, Object-oriented Programming (OOP), Mobile Development, Crashlytics, Unit Testing, Mockito, Retrofit 2, OkHttp, Cross-platform, Networks, Clean Code, Data Binding, User Experience (UX), Asynchronous Programming, Git, Software Development, JSON, Hooks

Native Android Developer and Full-stack Flutter Developer

2019 - 2021

PAYMO Uzbekistan

使用定制的Android HCE开发了一款针对NFC支付服务的金融科技移动应用.
通过近场通信(NFC)检索护照/身份证照片，通过检测人的活动和人脸识别，为用户身份识别系统构建Android应用程序.
创建了一个开源插件，利用本地第三方应用程序(SaaS)的用户识别系统.
将活动的Java Android应用程序迁移到Kotlin编程语言.
作为全栈移动开发者参与市场应用, building both the iOS and Android apps.
为mPOS系统创建了一个Android应用程序，使用定制的mPOS SDK和蓝牙通道接受支付.

Technologies: Kotlin, Java, Android POS, Android Studio，近场通信(NFC), Firebase, Crashlytics, Bluetooth Beacons, Flutter, Dart, Xcode, REST, APIs, Sockets, Dependency Injection, Unit Testing, Mockito, Dagger 2, Retrofit 2, Glide, Model View ViewModel (MVVM), ML Kit, REST APIs, iOS, API Integration, User Interface (UI), Material Design, Push Notifications, Figma, Object-oriented Programming (OOP), Mobile Development, Operating Systems, Machine Learning, Deep Learning, Artificial Intelligence (AI), TensorFlow, Android, OkHttp, Cross-platform, KOIN, Camera API, Networks, IP Networks, SQL, Material UI, Clean Code, Data Binding, Camera2 API, Cache, SQLite, Data Structures, User Experience (UX), Asynchronous Programming, RxJava, Git, Software Development, JSON, Gradle, Hooks, Android Jetpack

Android Developer

2018 - 2019

Turon Telecom

开发了一款视频流应用，日活跃用户超过1000人.
在Android手机应用上实现了离线视频缓存功能.
将Android应用程序从Java迁移到Kotlin编程语言.

Technologies: Java, Android SDK, Android TV, Android，依赖注入，api, Firebase, Kotlin, Dagger 2, Retrofit 2, OkHttp, ExoPlayer, Android Studio, Video Streaming, Music Streaming, REST APIs, API Integration, User Interface (UI), Material Design, Material UI, Push Notifications, Figma, Object-oriented Programming (OOP), Mobile Development, Crashlytics, REST, Glide, SQL, Clean Code, Data Binding, Camera2 API, Cache, SQLite, Data Structures, User Experience (UX), Asynchronous Programming, RxJava, Git, Software Development, JSON, Gradle, Android Jetpack

Mobile Developer

2017 - 2018

Freelance

为一家服装零售商开发了一个移动应用程序. 该应用程序被用作客户忠诚度和现金返还系统.
实现了后端与移动客户端的套接字连接管理.
建立一个定制的目标系统，通知用户即将到来的交易和销售.

Technologies: Android, Java, Android SDK, REST, APIs, Sockets, Dependency Injection, OkHttp, Retrofit 2, Firebase, Android Studio, SQLite, REST APIs, API Integration, Material Design, Material UI, Push Notifications, Figma, Object-oriented Programming (OOP), Mobile Development, Crashlytics, Dagger 2, Glide, ExoPlayer, Video Streaming, Music Streaming, Camera API, SQL, Clean Code, Camera2 API, Cache, Data Structures, User Experience (UX), Asynchronous Programming, Git, Software Development, JSON, Gradle, Android Jetpack

Experience

Online Banking on iOS and Android

http://multicard.uz

基于flutter的网上银行跨平台移动应用程序.

我开发了这款手机应用程序，作为网上银行助理进行网上支付和交易. 我构建了一个自定义的原生Android Flutter通道，使用Android Core和卡供应商SDK实现非接触式NFC支付.

Fintech Banking Android Application

http://play.google.com/store/apps/details?id=uz.paymo.pulpul

一个基于java和完全kotlin迁移的Android应用程序，用于金融科技在线支付.

我在金融科技领域开发了一个安卓移动应用程序，用于通过卡进行在线支付和P2P交易. 我添加了一个NFC支付功能，使用Android HCE核心和来自一个非接触式支付卡供应商的SDK.

eCommerce Marketplace for iOS and Android

http://unisavdo.uz

基于flutter的跨平台移动应用程序，适用于iOS和Android设备.

我为乌兹别克斯坦的第一个在线市场开发了移动版本的应用程序，将成千上万的用户与零售商和制造商联系起来.
Its functionality includes internet commerce, online payments, personal wallet management, order tracking, product feedback, and targeted push notifications.

User Identification App on Android

http://play.google.com/store/apps/details?id=uz.paymo.id

一个基于kotlin的Android移动应用程序，用于用户识别系统.

我开发了一个Android应用程序，通过检测人体的活动性来进行用户识别. 人脸识别是根据NFC读取从护照/身份证中提取的原始照片实现的.

The application was further used as a SaaS, 所以我开发了一个开源的Android插件，供第三方应用使用系统外的识别应用.

Streaming Media Service

http://play.google.com/store/apps/details?id=uz.turontelecom.cinerama

一个基于java的Android流媒体服务应用程序.

我利用现代技术开发了一个用于在线视频流和音频的安卓移动应用程序. 每天有超过一千人使用这款应用进行媒体消费. I also built the Android TV version of the app.

后来，应用程序部分迁移到Kotlin编程语言.

Skills

Languages

Java, Kotlin, Dart, Python, SQL, C++

Frameworks

Flutter, Dagger 2, Glide, Material UI, Android SDK, Mockito, KOIN

Libraries/APIs

Sockets, Retrofit 2, REST API, Camera API, Camera2 API, RxJava, TensorFlow, PyTorch

Tools

Android Studio, Git, Xcode, Figma, Crashlytics, ExoPlayer, Sentry, Gradle, Android Jetpack

Paradigms

Object-oriented Programming (OOP), Mobile Development, REST, Model View ViewModel (MVVM), Clean Code, Cross-platform, Asynchronous Programming, Dependency Injection, Unit Testing

Platforms

Android, Firebase, Android TV, Music Streaming, iOS

Storage

SQLite, JSON, Cache, SQL Injection Protection

Other

APIs, OkHttp, Material Design, API Integration, Push Notifications, Data Structures, Computer Science, Software Development, Operating Systems, Machine Learning, Deep Learning, Artificial Intelligence (AI), Android POS, Video Streaming, ML Kit, Networks, IP Networks, Data Binding, User Interface (UI), User Experience (UX), Hooks, Near-field Communication (NFC), Bluetooth Beacons, 3D

Education

2021 - 2022

Master's Degree in Artificial Intelligence

韩国科学技术院(KAIST) -首尔，韩国

2017 - 2021

Bachelor's Degree in Computer Graphics

INHA University - Tashkent, Uzbekistan

Certifications

AUGUST 2020 - PRESENT

Kotlin for Java Developers

JetBrains | via Coursera

JULY 2020 - PRESENT

IT Security: Defense Against the Digital Dark Arts

Google | via Coursera

JULY 2020 - PRESENT

Android Graphics

Imperial College London | via Coursera

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