ROLE: Senior Android Engineer/Android Engineering TeamLead

TEAM SIZE: 3?12

RESPONSIBILITIES: gather requirements from client and help to convert them into features; being a "proxy" between the client, management, and engineering squads; estimate and plan team workload; manage engineering backlog; features development and release planning; team building and leadership; managing team meetings and brainstorming sessions; build, introduce and control team processes; co?educate team members and help them grow; foster inner culture development; share feedback; support old features and develop new ones; fix bugs; cover programming code with unit tests; code review; demonstrate results for client; communicate and sync with teammates; generate ideas regarding product improvements

TECH STACK: AndroidX (Core, Biometric, Startup, ViewPager2, LifeCycle, ViewModel, Room, Navigation + SafeArgs), Compose, Coroutines, WorkManager, Material/AppCompat, Google Play Services (Pay, Auth, Fitness, Maps), ExoPlayer2, Sentry/Crashlytics, OneSignal, Koin, Facebook Shimmer, Retrofit + OkHttp, Coil, Glide, Lottie, LaunchDarkly, Localazy, Amplitude, Timber, JUnit, Mockito, Robolectric, Turbine, WebRTC Android SDK

ACHIEVEMENTS:

- together with my teammates, we helped to migrate whole client's app for new UI/UX and modern tech stack, which increased users' satisfaction (3.7 => 4.1) and total amount of active users

- with help of Android squad efforts, we introduced personal training plans for client's customers, which became a new significant source of income for client

- our team rebuilt open?source video sharing library and integrated it to a military app, successfully delivered to 90%+ drones pilots in Ukrainian army

- we significantly improved the quality of drone camera footage to enable Ukrainian officers to make much more accurate decisions during the war

ROLE: Senior Android Engineer

TEAM SIZE: 4?12

RESPONSIBILITIES: support old features and develop new ones; fix bugs; cover features with unit tests; code review; demonstrate results for stakeholders; communicate and sync with teammates; estimate and plan personal workload; prepare and release apps to production; help with team management; co?educate team members and help them grow; share feedback; foster inner culture development; strategic team planning; product planning; generate ideas regarding product improvements

TECH STACK: Android Architecture Components, Navigation Architecture Component, Groupie, MVVM/MVI, Dagger2, Coroutines, Retrofit + OkHttp, WebSocket, SqlDelight, GSON, Firebase SDK (Messaging, Dynamic Links, Analytics), Coil, Lottie, Skeleton, Google Maps SDK, Fondy SDK, Stripe SDK, Google Pay SDK, AppSpector, Chucker, ShakeBugs, Sentry, AppsFlyer, Adjust, Zendesk SDK, JUnit 5, Mockk

ACHIEVEMENTS:

- helped to migrate whole client app to new architecture, which increased app stability and reduced time to release new features

- streamlined management squad efforts by presenting bi?weekly sprint results

- took part in an app redesign: developed brand new promocodes screen, which helped to increase conversion into purchase by 23%

- increased app stability by fixing 30+ critical bugs

ROLE: Middle+ Android Engineer/Android Engineering TeamLead

TEAM SIZE: 6?7

RESPONSIBILITIES: gather requirements from client and help to convert them into features; being a "proxy" between the client, management, and engineering squads; estimate and plan team workload; manage engineering backlog; features development and release planning; team building and leadership; managing team meetings and brainstorming sessions; build, introduce and control team processes; co?educate team members and help them grow; foster inner culture development; share feedback; support old features and develop new ones; fix bugs; cover programming code with unit tests; code review; create and integrate OCR mobile services; demonstrate results for client; communicate and sync with teammates; generate ideas regarding product improvements

TECH STACK: Android SDK 30, AndroidX AppCompat, Kotlin, Android Architecture Components, Navigation Architecture Component, MVVM, DI (Dagger2), Kotlin Coroutines, Paycasso SDK (face/docs scanning)

ACHIEVEMENTS:

- managed the architectural migration of a key OCR mobile service, which helped to deliver fully customer?branded apps 8x faster

- delivered full integration of a turnkey OCR service to the major client's app (FinTech) ? as a result, this client became our business partner

ROLE: Middle Android Engineer

TEAM SIZE: 8?12

RESPONSIBILITIES: support old features and develop new ones; fix bugs; cover features with unit tests; code review; demonstrate results for client; communicate and sync with teammates (multinational); estimate and plan personal workload

TECH STACK: <under NDA>

ACHIEVEMENTS:

- helped to improve the weather application stability and usability, developing new features and fixing bugs

- increased company’s income and user retention by 30% with developing native video ads feature

ROLE: Junior Android Engineer

TEAM SIZE: 1?2

RESPONSIBILITIES: develop simple PoC mobile apps from the scratch; support old features and develop new ones; handle apps delivery; communicate and sync with teammates (multinational); communicate and sync with third?party service developers

TECH STACK: Android SDK 28, Android SDK 30, Android Things SDK 28, Support libraries 28.0.0, AndroidX AppCompat, Java 8, Kotlin, Firebase SDK (Authentication, Realtime Database, Storage, Cloud Functions), MVP/MVVM, SQLite (GreenDAO), DI (Dagger2, Koin), EZMCOM's SDKs (NFC ID/passport scanning, OCR ID/passport scanning, Facial recognition), AndroidX Biometric, Android Architecture Components, Navigation Architecture Component, NFC/BLE, RxKotlin + RxAndroid, Picasso

ACHIEVEMENTS:

- delivered 14 different ticket sales apps, each branded for specific client

- developed fully functional IoT device for PoC project, dedicated for managing access to different types of vehicles through digital keys (NFC, BT)

- created software system, consisted from 2 Android apps (admin + client) and backend (based on Firebase), which helped client to manage access to their events, using our ID scanner and facial recognition

ROLE: Trainee Android Engineer

TEAM SIZE: 2

RESPONSIBILITIES: develop separate app features; handle app delivery; communicate and sync with teammates; demonstrate results for US client

TECH STACK: Android SDK 25, Support libraries 25.3.1, Java 7, Realm, GSON, RxAndroid, RxJava, Picasso, Auth0 Lock, Amazon S3, FFMpeg, Superpowered SDK, Android NDK

ACHIEVEMENTS:

- developed significant part of UI: survey screen with navigation drawer, photo selection screen, audio dialog, survey adding/editing dialog, confirmation dialogs ? all combined into smooth and functional experience for client's users

- set up authentication with help of Auth0, which increased users security

- delivered survey posting feature, which helped client to store his important business information in Amazon S3 bucket

- designed internal API to simplify working with RealmDB

- created video pitch shifting PoC application (using NDK), to help client advance with their business objectives

ROLE: Trainee Android Engineer

TEAM SIZE: 7

RESPONSIBILITIES: develop separate app features; handle app delivery; communicate and sync with teammates; demonstrate results for Netherlands client

TECH STACK: Android SDK 25, Support libraries 25.3.16, Java 7, SQLite, StorIO, Retrofit, Dagger, RxAndroid, RxJava, RxBinding, Butterknife, Picasso, Crashlytics

ACHIEVEMENTS:

- set up local data storage, which helped client to use our app without Internet connection

- integrated custom audio/video player, which increased quality of viewing media content feature

- created user flow results screen