Igor L.

New account Working on reputation (lower prices) Developer with 9+ years of experience ☕ — 7+ years in Android development — Entered the top 10% of Upwork talent within the first 4 orders (Top-Rated badge) — Complete Android Expertise - from high-level APIs to low-level OS internals — Kotlin Multiplatform Developer - delivering apps for both Android & iOS — Solo developer, no teams behind, up to 2 active projects. Here’s what my clients say about me: “𝑬𝒙𝒄𝒆𝒑𝒕𝒊𝒐𝒏𝒂𝒍 𝒍𝒐𝒘-𝒍𝒆𝒗𝒆𝒍 𝑨𝒏𝒅𝒓𝒐𝒊𝒅 𝒅𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 𝒘𝒊𝒕𝒉 𝒅𝒆𝒆𝒑 𝒕𝒆𝒄𝒉𝒏𝒊𝒄𝒂𝒍 𝒆𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆 𝒂𝒏𝒅 𝒂 𝒓𝒂𝒓𝒆 𝒎𝒂𝒔𝒕𝒆𝒓𝒚 𝒐𝒇 𝒔𝒚𝒔𝒕𝒆𝒎-𝒍𝒆𝒗𝒆𝒍 𝒑𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒊𝒏𝒈” – Lead Android R&D Manager, Tel-Aviv “𝑷𝒍𝒆𝒂𝒔𝒖𝒓𝒆 𝒕𝒐 𝒘𝒐𝒓𝒌 𝒘𝒊𝒕𝒉. 𝑰𝒈𝒐𝒓 𝒅𝒆𝒆𝒑𝒍𝒚 𝒅𝒊𝒗𝒆𝒅 𝒊𝒏𝒕𝒐 𝒕𝒉𝒆 𝒑𝒓𝒐𝒃𝒍𝒆𝒎 𝒂𝒏𝒅 𝒘𝒂𝒔 𝒂𝒃𝒍𝒆 𝒕𝒐 𝒇𝒊𝒙 𝒊𝒕 𝒊𝒏 𝒂 𝒔𝒉𝒐𝒓𝒕 𝒂𝒎𝒐𝒖𝒏𝒕 𝒐𝒇 𝒕𝒊𝒎𝒆. 𝑺𝒐 𝒉𝒊𝒈𝒉𝒍𝒚 𝒓𝒆𝒄𝒐𝒎𝒎𝒆𝒏𝒅 𝒂𝒔 𝒔𝒐𝒍𝒊𝒅 𝒑𝒓𝒐𝒇𝒆𝒔𝒔𝒊𝒐𝒏𝒂𝒍” - iOS/Android Developer, 13+ YoE, Poland ————— Android Development Skills Languages: Kotlin, Java, C++ Architecture & Core: Clean Architecture, MVVM, MVI, SOLID, Dagger, Hilt, Koin, Coroutines, Flow, LiveData, RxJava, Multi-threading System & Low-Level: NDK/JNI, AIDL, Binder IPC, AOSP Network & Data: Retrofit, Ktor, WebRTC, gRPC, Native Networking (libc), TLS, Room, DataStore UI & Media: Jetpack Compose, XML, Material 3, Media3 (ExoPlayer), MediaStore API, EGL, Camera2, Surface API Build & Tools: Gradle (KTS, Multi-module, C/C++ Config), CMake, R8/Proguard, Git, GitHub, Linux Terminal Unit Testing: JUnit, Mockito ————— Frameworks I worked with: AI (OpenAI API, Google Gemini API) Firebase (Cloud Messaging, Authentication, Realtime DB, Storage, Crashlytics, Analytics) Google Maps Platform (Maps SDK, Places API, Directions API, Geocoding API) Mapbox Platform Monetization (AdMob, Unity Ads) Google Cloud APIs Facebook SDK Advanced Animations (Lottie, AVD, Compose Animations, Property Animations, MotionLayout) AWS Server Setup (EC2, VPC, Security Groups) VPN (OpenVPN, WireGuard) ZXing ————— Additional Skills App Security & Diagnostics: Frida, JADX, Ghidra Web Fundamentals: JavaScript, HTML, CSS