Contact information

The job seeker has entered a phone number , email and LinkedIn.

You can get this candidate's contact information from https://www.work.ua/resumes/9941212/

Work experience

Strong Middle Android Developer

from 11.2024 to now (1 year 10 months)
Avada-media, Дистанційно (IT)

Android development for a crypto wallet application (under NDA).
• Developed new features and extended existing functionality across the app, working within a Jetpack Compose + MVI architecture.
• Integrated wallet capabilities using Trust Wallet SDK, supporting secure transaction flows and key handling.
• Implemented identity/security features with a Face Detection SDK.
• Built and maintained custom UI components in Jetpack Compose for a consistent, responsive interface.
• Set up crash and error monitoring with Firebase Crashlytics and Sentry, improving release stability and faster issue resolution.
• Worked with Ktor-based networking and Coroutines for reliable async data handling.
Tech Stack: Kotlin, Jetpack Compose, MVI, Hilt, Ktor, Coroutines, Firebase (Analytics, Crashlytics), Sentry, Trust Wallet SDK, Face Detection SDK, Custom Views

Team Lead Android developer

from 11.2021 to 10.2024 (3 years)
NMFINANCE, Дистанційно (Фінанси, банки, страхування)

Protocall — A feature-rich social platform combining secure messaging, video/audio calling, talent discovery, and cryptocurrency wallet integration.
Team size: Started as solo developer, later led a small team (1 Android dev + QA)

• Bootstrapped the application from the ground up, taking full ownership of architecture design, implementation, and delivery planning.
• Implemented real-time messaging and calling using WebSockets, WebRTC, and Smack, ensuring secure communication and minimal latency.
• Integrated encrypted message exchange and end-to-end secure communication protocols, improving privacy and compliance.
• Designed and optimized complex UI screens, including custom views and floating windows, enhancing interactivity and user engagement.
• Implemented wallet features, including crypto wallet integration, transaction flows, and secure key management — gaining practical understanding of blockchain interactions.
• Led modularization efforts by adopting a multi-module project structure, improving build performance and separation of concerns.
• Applied SOLID principles and advanced Jetpack libraries, while progressively migrating parts of the app to Jetpack Compose.
• Optimized app performance using Profiler, eliminated memory leaks, and enhanced responsiveness on various Android devices.
• Gained strong experience with hardware integration (e.g. Bluetooth and audio device handling) and system-level interactions.
• Collaborated closely with PMs, designers, and backend engineers; later supervised another Android developer and QA to align on sprint goals and feature delivery.

Tech Stack: Kotlin, MVVM, Coroutines, Realm, Firebase (Auth, Messaging, Crashlytics), Jetpack Compose, WebRTC, Smack, WebSockets, Custom Views, Profiler, Crypto Wallets, End-to-End Encryption

Android developer

from 07.2020 to 01.2022 (1 year 7 months)
Moapps, Київ (IT)

Outsourcing Projects — Android development for multiple commercial B2C and B2B applications across fashion retail, hospitality, food delivery, and healthcare domains.
Team size: Individual and small cross-functional teams

• Modoza — Developed a full-featured fashion e-commerce app from scratch, including product catalog, shopping cart, and order processing. Used MVVM, Java, and RxJava for a reactive architecture and seamless user experience.
• Ibiza — Created an Android app for a well-known resort, featuring a built-in streaming radio player powered by dynamic backend audio links. Focused on stability, streaming optimization, and real-time interaction.
• Nikko — Delivered a food ordering app with loyalty and bonus system for a sushi chain. Migrated codebase to Kotlin, strengthening maintainability and type-safety.
• AW Radio — Extended radio features and implemented in-app subscriptions. Improved reliability and handled various media streaming scenarios.
• Ultracard — Resolved critical bugs and implemented region-specific feature sets based on business requirements for a loyalty card platform.
• MH Task Planner — Developed a task scheduling and calendar management tool for a medical organization using Kotlin, Room, and RxJava, enhancing data persistence and offline functionality.

• Gained hands-on experience with MVVM, Kotlin, and RxJava in production environments. Improved database proficiency and system integration workflows across diverse domains.

Tech Stack: Kotlin, Java, MVVM, Retrofit, RxJava, Firebase (Analytics, Messaging, Crashlytics), Room, MediaPlayer, REST APIs

Junior Android developer

from 01.2020 to 08.2020 (8 months)
Nutis, Дистанційно (Краса, фітнес, спорт)

Nutis — Android application focused on calorie tracking and personalized diet management.
Team size: Solo Android Developer

• Took over a partially implemented project (≈50% complete) and led development to near-release readiness, demonstrating strong ownership and delivery skills.
• Implemented key features including food scanning and server-side calorie estimation, enhancing user engagement and supporting healthy lifestyle goals.
• Gained in-depth practical experience with Android architecture components while working within the MVP pattern.
• Integrated data visualization with dynamic in-app charts to display calorie history and progress tracking.
• Improved crash visibility and analytics by configuring Firebase Crashlytics and Firebase Analytics.
• Collaborated closely with backend developers and UI/UX designers to ensure seamless data exchange and user flow consistency.

Tech Stack: Java, View XML, Room, Firebase (Analytics, Crashlytics), MVP

IT-specialist

from 09.2018 to 12.2019 (1 year 4 months)
UNIQA, страховая компания, Київ (Фінанси, банки, страхування)

Education

Інститут інтелектуальних технологій і зв'язку

Інженерія програмного забезпечення, Одеса
Higher, from 2019 to 2022 (3 years)

Knowledge and skills

• Glide
• SOLID Principles
• Coroutines
• Smack
• Realm
• Room Library
• WebSocket
• WebRTC
• SQL
• Android SDK
• Retrofit
• MVP
• MVVM
• Firebase
• Picasso
• Gson
• Material design
• Android Core
• REST
• JSON
• SQLite
• Android Studio
• Знання принципів ООП
• Kotlin
• Java
• Git
• Jetpack Compose
• Hilt
• MVI
• Знання принципу DRY
• KISS
• Room
• Ktor
• Trust Wallet

Language proficiencies

• English — average
• Ukrainian — fluent