Vadzim Vysotski Email & Phone Number

Warsaw, Mazowieckie, Poland

Minsk, Belarus

Android application that helps people find and apply for a job. Can’t share the linkbecause of NDA.The new native application replaces the existing Xamarin app. The application isalready available on Google Play. ~100K DAU. 99.91% Crash free.Used intensively: Kotlin, Clean Architecture, TDD, Coroutines, MVVM, AndroidFramework, Koin, Gradle, JUnit, Espresso, TDD, Android View Binding, Facebookscreenshot tests, Firebase, Room, Auth0.* Took technical leadership in the team of 3 devs.* Automated all the routine: deployment to firebase and google play, auto testsrun, code style validation.* Worked without QA. I was responsible for the quality of my code. Tested team-mates features.* Worked with the backlog. Organized and led refinements. Split user stories tofind less important parts and reduce the scope.* Owned technical backlog.* Implemented view screenshot tests for day and night mode.* Sold to the team architecture that simplifies view screenshot testing.* Reduced Espresso and screenshots tests flakiness from 60% to 20%, i.e. only1 of 5 runs gives you false-negative result.

Minsk, Belarus

Texas Holdem poker mobile game. ~150k DAU.Used intensively: Haxe, Monosyne (in-house game engine), TDDUsed less so: C#, JS, Gradle, Android, iOS* Implemented features that require synchronization of a few microservices, an-animations and user actions. It’s just a tons of asynchronous code;* Improved project stability by refactoring which fixed ANR and crashes;* Split existing heavyweight screens into modules(module per feature), so thatit’s easy to: add/delete/change features, switch on/off features at runtime;* Setup IoC container’s scopes;* Did code review and was reviewed by teammates;* Supported company infrastructure libraries: fixed C# specific issues in Haxecode, setup unit tests to cover cs target;* Ported but not released existing game for Chinese market;* Implemented text localization mechanism;* Setup web client CI;* Improved web client deployment process to support build per QA or more simultaneously, not just 4 stages as it was before;* Setup release process, so that any dev in the team could release the app;* As a client developer negotiated with product guys incoming features, to find aperfect balance between technical complexity and business value.

Minsk, Belarus