Advanced Senior Android Engineer
2020 - PRESENTGrab Holdings- Designed and developed a brand new app in the digital banking area along with its own SDK.
- Configured the app's infrastructure for the whole development process, including setting up CI/CD pipelines, defining the Git flow, establishing the code style guidelines, and more.
- Worked closely with a cross-functional team made up of product, UI/UX, and the back end (BE).
Technologies: Android Studio, Clean Architecture, Dagger 2, Figma, REST, Retrofit 2, Redux, SDKs, AndroidSquad Lead | Senior Software Engineer (Android)
2019 - 2020United Overseas Bank Limited | Singapore- Analyzed the legacy code and proposed steps for improvements.
- Increased app reliability by increasing test coverage from 4% up to 70%.
- Fixed 80% of the bugs and significantly increased the crash-free rate.
- Reduced bug localization time by refactoring the legacy codebase.
- Increased transparency of the development process by helping the team to learn and apply Agile/Scrum methods.
- Completed the project and published it to Google Play.
Technologies: Rx, Picasso, Retrofit, Kotlin, Java, Android, Firebase, Clean Architecture, V-Key, RxJava, RxKotlin, RxJava2, KOIN, Android StudioSenior Software Engineer (Android)
2017 - 201990 Seconds (Cloud Video Creation Platform) | Singapore- Increased development speed by implementing an internal library of UI components and using them for user interface creation.
- Reduced the number of network requests from client apps and improved the app reliability by migrating the API from RESTful to GraphQL.
- Significantly reduced the build time by splitting the codebase into separate features and tool modules.
- Increased code reuse by combining all three apps into a single codebase with a multi-flavor architecture.
Technologies: Rx, GraphQL, Apollo, Retrofit, Dagger 2, Kotlin, Android, Firebase, Clean Architecture, ExoPlayer, RxJava, RxKotlin, RxJava2, Android StudioLead Software Engineer (Android)
2015 - 2017Healbe- Improved the app quality and increased the crash-free rate up to 99% by significantly refactoring the legacy codebase.
- Removed an incorrectly integrated EventBus framework which reduced bug localization time by 60%.
- Increased device connection stability by 80% by rewriting the core Bluetooth LE modules to the RxJava framework.
Technologies: Bluetooth LE, Rx, Retrofit, Java, Android, Firebase, Clean Architecture, RxJava, Android StudioLead Software Engineer
2008 - 2015CJSC TC Kuntsevo (Multi-brand Car Dealer and Service) | Moscow, Russia- Improved collaborative work within the team by designing and implementing a single code style.
- Implemented sales funnel and CRM modules which increased client retention by 25%.
- Reduced costs of warehouses by 10% by implementing an exchange difference module.
- Increased the number of users (300+) by migrating the whole server part (1,000+ stored procedures) from Firebird to Oracle.
Technologies: SQL, Oracle, Firebird, Delphi, PL/SQLLead Software Engineer
2006 - 2008OJSC Ansoft Integrator (ERP System Development) | Moscow, Russia- Reduced the time to create custom configurations by 30% by creating a new configurator app for the product from scratch.
- Increased product reliability and reduced bug localization time by 15% by significantly improving a client app's architecture and code style.
- Improved product features such as search forms, reports, libraries, and documents which improved customer satisfaction by 40%.
- Helped to make more than ten sales by developing client configurations.
Technologies: SQL, Firebird, Delphi, Clean
Pavel Kopytin
Mobile Developer in Singapore, Singapore
Member since April 1, 2020
Pavel is a creative developer with 20 years of software development experience who excels at making useful, high-quality mobile apps, especially for Android. When working on a project, Pavel is keen on establishing a good app architecture at the get-go and adopting new technologies to maximize development efficiency and produce innovative applications. Pavel also has a solid understanding of full mobile and software development lifecycles and can work independently as well as a part of a team.
Pavel is now available for hire
Portfolio
- Grab HoldingsAndroid Studio, Clean Architecture, Dagger 2, Figma, REST, Retrofit 2, Redux...
- United Overseas Bank Limited | SingaporeRx, Picasso, Retrofit, Kotlin, Java, Android, Firebase, Clean Architecture...
- 90 Seconds (Cloud Video Creation Platform) | SingaporeRx, GraphQL, Apollo, Retrofit, Dagger 2, Kotlin, Android, Firebase...
Availability
Part-time
Preferred Environment
VS Code, Sublime Text, Figma, Android Studio, Slack, MacOS
The most amazing...
...project I've worked on recently was a banking app on Android with pre-login and post-login features.
Employment
Experience
- Weather App for Androidhttps://play.google.com/store/apps/details?id=com.wild.androidstudyjam.weatherforecast2
An Android app for weather forecasting styled as Pip-Boy from the famous game Fallout. It uses Openweathermap.org/ to get the data. This app gives you a forecast for 16 days ahead! It can provide weather information for many cities in either Celsius or Fahrenheit.
- Portmonehttps://play.google.com/store/apps/details?id=com.homesoftwaretools.portmone.paid
Portmone is a simple app to manage your personal or family budget. It helps you to keep a record of all your incomes and expenses, analyze it, make plans, and make conclusions, and just be generally aware of your financial situation.
You don't need to be an accountant to work with it. Friendly UI helps you to learn the app quickly. The data input takes only a couple of minutes a day, so you can start fast, stay focused on your totals, and not get distracted by the small stuff.
Skills
Languages
Delphi, Kotlin, SQL, Java, GraphQL, CleanFrameworks
Dagger 2, Rx, Dagger, Flutter, Redux, KOINLibraries/APIs
REST APIs, Retrofit, Picasso, Retrofit 2, RxJava, RxKotlinTools
Android Studio, VS Code, Slack, Figma, Sublime Text, ExoPlayerParadigms
Clean Architecture, RESTPlatforms
Android, Firebase, Bluetooth LE, MacOS, OracleOther
Apollo, SDKs, Bluetooth, RxJava2, V-KeyStorage
Firebird, PL/SQL
Education
- Bachelor's degree in Applied Mathematics and Mechanics1995 - 2000Voronezh State University - Voronezh, Russia
Certifications
- Android FundamentalsJANUARY 2015 - PRESENTGDG Moscow (Russia)
- ANSI SQLMAY 2010 - PRESENTAcademy Velesa Certified
- Delphi ProgrammingMAY 2010 - PRESENTAcademy Velesa Certified
