Zohidjon is available for hire
Hire ZohidjonZohidjon Numonjon Ugli Akbarov
Verified Expert in Engineering
Mobile Developer
Tashkent, Uzbekistan
Toptal member since July 7, 2022
Bio
Zohidjon is a mobile developer with over 8 years of hands-on experience developing and maintaining Android apps. He has a tech stack that includes Java, Kotlin, and Swift languages, the MVP and MVVM architectural patterns, RxJava 2, Dagger Hilt, Retrofit, OkHttp, Gson, Glide, Picasso, and Room libraries, and other tools like Gradle and Git. Zohidjon has experience working in Agile environments, likes challenging projects, and is willing to explore new growth opportunities.
Portfolio
MyTaxi
Android, Android Development, Android Jetpack, Android Studio, Architecture...
BioBeat, Inc.
Android, Bluetooth, Kotlin, Java, Nordic nRF52, Bluetooth Low Energy (LE), XML...
Zuccotech
Android, Android SDK, Kotlin, Flutter, RoomDB, Gradle, Firebase, Java...
Experience
- Algorithms - 9 years
- Object-oriented Programming (OOP) - 9 years
- Agile - 5 years
- Android SDK - 5 years
- Gradle - 5 years
- Flutter - 4 years
- Kotlin - 4 years
- Java - 2 years
Preferred Environment
Android SDK, Kotlin, Java, Flutter, Gradle, Firebase, Algorithms, Android, Android Studio
The most amazing...
...thing I've developed is the Republic of Uzbekistan Taxation Committee tax application, used by 5+ million users.
Work Experience
Teach Lead
2023 - 2025
MyTaxi
- Designed the app architecture and managed end-to-end implementation, leading a team of five engineers.
- Mentored and onboarded two new engineers, holding daily sync-ups and weekly 1:1 sessions during their first three months.
- Conducted task breakdown, scoping, and planning for the project, and delegated tasks to the team.
Technologies: Android, Android Development, Android Jetpack, Android Studio, Architecture, Android SDK, APIs, Agile
Android Developer
2022 - 2022
BioBeat, Inc.
- Developed an application that receives signals from a device over Bluetooth LE, converts them into readable information, shows them in the graph, and saves CSV files into Google Drive.
- Tracked and fixed bugs using Google Docs as a reporting tool.
- Consumed more than 1000 signals from 4fourchannels over BLE and showed in the graphs very smoothly.
Technologies: Android, Bluetooth, Kotlin, Java, Nordic nRF52, Bluetooth Low Energy (LE), XML, User Permissions, Material Design, GitHub, GitHub Actions, Mobile Apps, Mobile App Development, Architecture, Hybrid Apps, Hybrid Frameworks, Navigation, Retrofit, Hilt, APIs, QA Testing, Clean Code, OkHttp, Clean Architecture, Mobile Development, REST, SDK Development, SDKs, Software Development Toolkits (SDK), Dependency Injection, Mobile Applications, Google Play Store, Asynchronous Programming, Native Mobile Apps, Memory Management, Android Development
Senior Android Developer
2021 - 2022
Zuccotech
- Created an application for cargo owners, trucks, logistics, and construction companies to negotiate cargo transportation and rental of construction equipment without intermediaries, directly with customers and contractors across Europe and Asia.
- Developed from scratch and translated designs and wireframes into high-quality code.
- Identified and fixed bugs using Trello as a reporting tool.
Technologies: Android, Android SDK, Kotlin, Flutter, RoomDB, Gradle, Firebase, Java, Android Studio, REST APIs, XML, User Permissions, Mobile, Material Design, GitHub, GitHub Actions, Mobile Apps, Mobile App Development, Architecture, Hybrid Apps, Hybrid Frameworks, Navigation, Retrofit, Hilt, APIs, QA Testing, Jetpack Compose, Android Jetpack, Clean Code, OkHttp, Clean Architecture, Dagger, Unit Testing, Mobile Development, REST, Firebase Cloud Messaging (FCM), Stripe API, OneSignal, SDK Development, SDKs, Software Development Toolkits (SDK), Swift, Xcode, Dependency Injection, Mobile Applications, Google Play Store, CameraX, Asynchronous Programming, Native Mobile Apps, Memory Management, Android Development
Senior Android Developer
2019 - 2021
State Tax Committee of the Republic of Uzbekistan
- Developed an application for Uzbek citizens and companies that allows users to see how much they earned over the years, review their tax payment history and pay their taxes through the application. Over one million users downloaded the application.
- Designed and built the mobile application for both Android and iOS from scratch.
- Optimized application code, implemented new features, and fixed defects reported by clients in the application.
Technologies: Android, Android SDK, Kotlin, Java, Flutter, Firebase, Gradle, Model View ViewModel (MVVM), RoomDB, Retrofit 2, Glide, Model View Presenter (MVP), Android Studio, iOS, REST APIs, XML, User Permissions, Encryption, Mobile, Swift, Material Design, GitHub, GitHub Actions, Mobile Apps, Mobile App Development, Navigation, Retrofit, Hilt, APIs, QA Testing, Jetpack Compose, Android Jetpack, Clean Code, OkHttp, Clean Architecture, Dagger, Unit Testing, Mobile Development, REST, Firebase Cloud Messaging (FCM), SDK Development, SDKs, Software Development Toolkits (SDK), Xcode, Dependency Injection, Mobile Applications, Google Play Store, CameraX, Asynchronous Programming, Native Mobile Apps, Memory Management, Android Development
Android Developer
2017 - 2019
DataSite Technology
- Developed an all-in-one business management application that includes functionalities for accounting and finance, human resources, sales and marketing, payroll and benefits, project management, and business intelligence.
- Tracked and fixed bugs using Trello as a reporting tool.
- Achieved over 100 downloads by business owners and a 5-star rating in the stores.
Technologies: Android, Android SDK, Java, Agile, Gradle, Kotlin, Android Studio, REST APIs, XML, User Permissions, Mobile, Material Design, GitHub, GitHub Actions, Mobile Apps, Mobile App Development, Retrofit, APIs, Clean Code, OkHttp, Clean Architecture, Unit Testing, Mobile Development, REST, Firebase Cloud Messaging (FCM), SDKs, Software Development Toolkits (SDK), Dependency Injection, Mobile Applications, CameraX, Asynchronous Programming, Native Mobile Apps, Android Development
Android Developer
2017 - 2017
Maroqand
- Developed an e-payment application that has more than 100 services and more than 100,000 downloads in the the Play marketplace.
- Tracked and fixed bugs using Trello as a reporting tool.
Technologies: Android, Android SDK, Android Studio, Agile, Kotlin, Java, Model View Presenter (MVP), SQLite, User Permissions, Mobile, Material Design, GitHub, GitHub Actions, Mobile Apps, Mobile App Development, Retrofit, APIs, Clean Code, OkHttp, Clean Architecture, Mobile Development, REST, Firebase Cloud Messaging (FCM), SDKs, Software Development Toolkits (SDK), Mobile Applications, Spring Boot, Native Mobile Apps, Android Development
Experience
Tax Application for Uzbek Citizens
https://play.google.com/store/search?q=mysoliq&c=apps&hl=en&gl=USDeveloped a mobile application that provides access to the Uzbek tax authority's electronic services for citizens and companies.
Through the application, users can see how much they earned over the years, review their tax payment history, get news on tax legislation and tax authorities regulations, answer frequently asked questions, check tax disputes, and more.
Users can also pay taxes within the application and get cash back by scanning a QR code. The application is connected with E-Imzo for authorization.
More than one million users downloaded the application.
Through the application, users can see how much they earned over the years, review their tax payment history, get news on tax legislation and tax authorities regulations, answer frequently asked questions, check tax disputes, and more.
Users can also pay taxes within the application and get cash back by scanning a QR code. The application is connected with E-Imzo for authorization.
More than one million users downloaded the application.
Truckit
Truckit is a platform for cargo owners, trucks, logistics, and construction companies. It allows them to negotiate cargo transportation and rental of construction equipment, or both without any intermediaries, directly with customers and contractors throughout Europe and Asia.
The application has the following features:
• GPS track to follow the route of the cargo.
• Average price display. The application displays the average prices for one km along the selected route.
• A tender platform to announce tenders with a large cargo volume and negotiate with several carriers.
• Analytics map to follow the demand market on the map and stay in the know where the freight prices are higher or lower.
The application has the following features:
• GPS track to follow the route of the cargo.
• Average price display. The application displays the average prices for one km along the selected route.
• A tender platform to announce tenders with a large cargo volume and negotiate with several carriers.
• Analytics map to follow the demand market on the map and stay in the know where the freight prices are higher or lower.
SD Delivery
https://play.google.com/store/apps/details?id=uz.salesdoctor.delivery&hl=en&gl=USSD Delivery is an application that will help couriers define the best route, which will help reduce costs. The app also helps build customer loyalty to the company by helping to deliver orders on time. With SD Delivery, companies can track the status of all orders online and monitor couriers.
Education
2013 - 2017
Bachelor's Degree in Computer Science
Turin Polytechnic University in Tashkent - Tashkent, Uzbekistan
Certifications
APRIL 2022 - PRESENT
Problem Solving
HackerRank
Skills
Libraries/APIs
Retrofit 2, REST APIs, Retrofit, Stripe API, CameraX
Tools
Gradle, Android Studio, GitHub, Android Jetpack, Firebase Cloud Messaging (FCM), OneSignal, Xcode, greenDAO
Languages
Kotlin, Java, Swift, XML, Dart
Frameworks
Android SDK, Flutter, Glide, Dagger, Spring Boot
Paradigms
Object-oriented Programming (OOP), Clean Code, Clean Architecture, Mobile Development, REST, Dependency Injection, Asynchronous Programming, Agile, Model View ViewModel (MVVM), Model View Presenter (MVP), Unit Testing, Scrum
Platforms
Android, Mobile, Firebase, iOS, Bluetooth Low Energy (LE), Google Cloud Platform (GCP)
Storage
RoomDB, SQLite
Other
User Permissions, Material Design, Mobile Apps, Mobile App Development, Hybrid Apps, Hybrid Frameworks, Navigation, Hilt, APIs, OkHttp, SDK Development, SDKs, Software Development Toolkits (SDK), Mobile Applications, Native Mobile Apps, Android Development, Algorithms, Complex Problem Solving, Encryption, GitHub Actions, Architecture, QA Testing, Jetpack Compose, Near-field Communication (NFC), Google Play Store, Memory Management, Room, Bluetooth, Nordic nRF52
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