Konstantin K.

Software Engineer

United States8 yrs 10 mos experience

Highly Stable

Key Highlights

9 years of experience in Android development.
Expert in Kotlin and reactive technologies.
Proven track record in optimizing mobile applications.

Stackforce AI infers this person is a Mobile Application Developer specializing in Android with a focus on performance optimization.

Contact

Skills

Core Skills

Android DevelopmentKotlinUnit TestingBluetooth

Other Skills

Android SDKSoftware DevelopmentSystems DesignGradleJavaAndroidRxJavaKotlin CoroutinesUI TestingRxBluetooth Low EnergyGoogle Maps APIStreaming MediaGoogle MapsSOLID

About

Software Engineer with 9 years experience in Android, working with complex and large projects, with a complicated design system. I have experience with maps, graphic shaders, and OpenGL for mobile platforms, rendering optimization. 8 years working with reactive technologies like RxJava and Kotlin Flow

Experience

8 yrs 10 mos

Total Experience

1 yr 3 mos

Average Tenure

1 yr

Current Experience

Atoms

Software Engineer

Oct 2024 – May 2025 · 7 mos · Los Angeles, California, United States · On-site

Android-driven point-of-sale system. Payments processing; orders management system; proprietary hardware; BLE.

Bolt

2 roles

Senior Software Engineer (Android)

Promoted

Mar 2023 – Jul 2024 · 1 yr 4 mos · Tallinn, Harjumaa, Estonia

Functionality development process leading;
e-Scooters parking flow design including photo capture and integration with the internal AI-based photo analysis system;
Improved GPS accuracy for the vehicle parking scenario from 10m to 0.5m in urban areas, using visual positioning systems (VPS);
Improved map performance and rendering to draw thousands of markers and polygons without lags on low-end hardware;
Experience in full-stack feature development for Android and NodeJS backend.
Stack: Android, Java, Kotlin, RxJava, Coroutines, Espresso, JUnit, Gradle, RIBs.

Android DevelopmentSystems DesignKotlinGradleAndroid SDKJava

Software Engineer (Android)

Mar 2021 – Mar 2023 · 2 yrs · Tallinn, Harjumaa, Estonia

Android app feature development;
Design and development of internal SDK for KYC and user verification flow shared between several apps;
Implemented cross-domain sharable UI components as a part of the common design system;
AB experiments;
UI/Unit tests coverage using Espresso/JUnit frameworks.
Stack: Android, Java, Kotlin, RxJava, Coroutines, Espresso, JUnit, Gradle, RIBs.

Android DevelopmentSystems DesignKotlin CoroutinesRxJavaAndroid SDKJava+1

Revolut

Android Software Engineer

Feb 2020 – Feb 2021 · 1 yr · Saint-Petersburg, Russia

Customer Experience team;
Mobile chat component and FAQ user flow;
Reduced load and costs for the customer support team using AI and smart search systems;
Dynamic form builder for KYC and verification flows;
High unit and UI test coverage using Expresso/JUnit.
Stack: Android, RxJava, Kotlin, Expresso, JUnit.

Android DevelopmentUnit TestingAndroidUI TestingAndroid SDKJava+1

Aviasales / jetradar

Software Engineer

Jun 2019 – Feb 2020 · 8 mos · Saint-Petersburg, Russia

Android engineering in the Main flow team;
Flight tickets search flow;
Performance optimization for filtering and sorting of the large search results on the client-side;
Implementation and improvement main flow functionality based on user A/B experiments and analytics.
Stack: Android, Kotlin, Java, RxJava, MVP, Firebase.

Android DevelopmentSystems DesignRxJavaRxAndroidAndroid SDK+2

Mobileup llc

Software Engineer

Oct 2017 – Jun 2019 · 1 yr 8 mos · St Petersburg, St Petersburg City, Russia · On-site

Android applications development for different projects for different customers;
Bluetooth-based companion app for the e-vehicles;
Video and audio streaming
PDF file rendering.

Android DevelopmentSystems DesignRxJavaGradleBluetooth Low EnergyRx+8