Android developer working with Kotlin, Jetpack Compose, Kotlin Multiplatform and the details that make an app feel right.

• Now: Android fintech at Wildberries - installment payments, financial calculations and reliable UI state.
• Previously: VK ID - authentication flows and Android integration.
• Open source: DateParser Kotlin, an offline date/time parser published on Maven Central.
• On my workbench: Chatevent, a commercial planner where tasks live in chats.

Java · Coroutines / Flow · Room

Telegram ↗   ·   Habr ↗   ·   My VK ID article ↗

Offline natural-language date and time parsing for Kotlin Multiplatform.

English and Russian · Android, JVM and iOS.

Latest release ↗ · Documentation ↗ · KMP demo ↗

Use the shared parser in commonMain with explicit timezones and US/European date order. The runnable KMP consumer and Android Compose demo show an editable reminder preview before confirmation.

A chat-shaped planner: tasks, notes, folders and a calendar in one place.

Commercial product · In development
Private source · Kotlin · Compose · Room · Glance

Notes, tasks and reminders with English voice input, OCR and date/time extraction.

Historical graduation project · Huawei Cup 2020 APP student winner
Ivanovo State Power Engineering University · Kotlin / Java · SQLite · Huawei HMS

Source code ↗ · AppGallery ↗ · Video demo ↗

• Huawei Cup 2020: winner of the APP student category. Official Huawei results, March 26, 2021 ↗
• SmartFlow: a new authentication flow for VK ID - my article on Android authentication, published in the VK engineering blog on February 22, 2024. Read on Habr (RU) ↗

A Windows PowerShell desktop tool for batch signing files with CryptoPro CSP. Creates detached CAdES-BES signatures without changing the source files, verifies signatures, and avoids signing the same file twice with the selected certificate.

Download latest release ↗ · Documentation (EN) ↗

My 2018 graduation project at Ivanovo Energy College: educational PCB vibration and reliability calculations, with Word export.

Java · 7 calculation/export tests · Original report templates

Small Android samples and experiments, from custom drawing to voice recording.

• vkvoicenotes - Voice recording and playback with Android Views, Room, Dagger, RxJava and ExoPlayer.
• CustomViewTest - Custom Android Views: Canvas drawing, bitmap shaders, XML attributes and saved state.
• AndroidCore - Java/Kotlin fundamentals, concurrency, collections, Coroutines/Flow and Handler/Looper experiments.

Exercises I followed and adapted while learning Android.

• VKNewsApp - a learning VK news client with Compose, MVVM, Flow, Dagger, Retrofit and pagination.
• ComposeAnimations - Compose animation exercises: content, size, shape, color, alpha and rotation.
• MVI-Weather-App - an unfinished exploration of MVIKotlin, Decompose, Room and Retrofit.