Varuzhan S.

Varuzhan S.

Senior Android Developer

Yerevan, Armenia
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About Me

Varuzhan is a Senior Android Developer with 10+ years of experience transforming ideas to quality, performant, blazing-fast applications efficiently and cost-effectively. He has delivered 30+ Android jobs, creating applications from the ground up, including architecture, UI/UX implementation, data model/layer, REST API design, database solutions, security, performance, compatibility, and maintenance. Varuzhan has worked in diverse domains like eCommerce, social and communication apps, finance, ranching & farming, charity, and religion.

Android 10 years Android Java 10 years RxJava 7 years Retrofit 7 years Butterknife 7 years Firebase 7 years Model View Viewmodel (MVVM) 8 years BLE (Bluetooth Low Energy) 10 years Dropbox API Facebook API 8 years Firebase Functions 7 years GSON 10 years Geolocation 5 years Glide 5 years Google Ads API 7 years Google Map API 3 years Google Play Billing 10 years In-app purchases 10 years JSON 10 years Material Design 5 years RESTful Web Services 10 years Rest API 10 years Room 7 years SQLite 10 years

Work history

UpStack
UpStack
Senior Android Developer
2021 - Present (4 years)
Remote

  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

AndroidAndroid JavaRxJavaRetrofitButterknifeFirebaseModel View Viewmodel (MVVM)BLE (Bluetooth Low Energy)Dropbox APIFirebase FunctionsJSONGSONGlideRESTful Web ServicesLombokGeolocationGoogle Ads APIFacebook APIIn-app purchasesMaterial DesignRest APIRoomSQLite
Alango Technologies
Alango Technologies
Senior Android Developer
2025 - Present
Remote

Working for a DSP software innovator specializing in speech, audio, and hearing enhancement through branded audio devices like headphones, Bluetooth earbuds, hearing aids, etc.

Telecommunications Telecommunication Equipment Telecom SystemsTelecom Equipment & Solutions BluetoothDSP DNN Infotainment IoTAndroid
Cattlesoft, Inc. / CattleMax
Cattlesoft, Inc. / CattleMax
Senior Android Developer
2023 - 2024 (1 year)
Remote

  • Worked on TagMax, an EID cattle tag app for the Allflex RS420 and LPR EID Readers and Tru-Test SRS2 and XRS2 EID Readers.

  • Created a functionality for the app to connect wirelessly to a cattle tag EID reader via the built-in Bluetooth, with no need for additional hardware or for connecting the reader to a computer.

Android JavaBLE (Bluetooth Low Energy)RetrofitRxJavaLombokSQLiteRoomMVCFirebaseIn-app purchasesButterknifeGlideModel View Viewmodel (MVVM)Android Development Kotlin
GreaterGood.com
GreaterGood.com
Senior Android Developer
2014 - 2022 (8 years)
Yerevan, Armenia

  • Built quality and performant applications using cutting-edge technologies and the latest Android SDK versions while maintaining compatibility with older Android APIs.

  • Worked on Android UI/UX design, Android client apps for Web Services, Android activities and fragments, navigation multi-threaded development, and more.

  • Generalized solutions working on the vast majority of Android phones, tablets (multi-resolutions, resource utilization, images, layouts, strings).

AndroidAndroid JavaModel View Viewmodel (MVVM)MVCRetrofitRxJavaFirebaseJSONGSONMaterial DesignDatabasesGlideButterknifeLombokIn-app purchasesRest APIGoogle Ads APIFacebook APIGeolocationRoomSQLiteAndroid SDKAndroid API Mobile UI/UX DesignWeb ServicesMultithreading
LTX-Credence
LTX-Credence
Senior Software Engineer
2007 - 2014 (7 years)
Yerevan, Armenia

  • Developed solutions for a global provider of focused, cost-optimized ATE solutions designed to enable customers to implement best-in-class test strategies to maximize profitability.

  • Prepared and maintained code for various .NET applications and resolved defects in systems.

  • Ensured high performance, quality, and responsiveness of applications.

.NETCC++MFCQtMulti-threading programmingMultiprocessing
Freelance
Freelance
Android Developer
2007 - 2021 (14 years)
Remote

  • Played essential roles in developing Android applications for multiple clients and industries.

  • Created an app that communicates with car boards through the Bluetooth external (hundred types of) adapters, getting and setting errors, parameters, including live parameters like speed, torque, etc.

  • Provided clear documentation and technical support to end users of each app.

AndroidAndroid JavaDesign PatternsBLE (Bluetooth Low Energy)RetrofitRxJavaFirebaseAnalyticsPush NotificationsJSONGSONMaterial DesignDatabasesSQLiteRoomGlideButterknifeLombokAnimationGeolocation
Synopsys Armenia
Synopsys Armenia
Software Developer
2003 - 2007 (4 years)
Yerevan, Armenia

  • Worked on developing software for a company providing R&D and product support for electronic design automation (EDA), design for manufacturing (DFM), and semiconductor intellectual property (IP) solutions.

  • Evaluated existing applications used by clients and reviewed ways to enhance them.

  • Closely collaborated with software developers, testers, and other project staff to maintain applications.

.NETC++MFCDatabases

Portfolio

Android Developer - eBible
Android Developer - eBible

eBible is the biggest project I have worked on. It is a personal and customizable Bible packed with features and a free download to personalize the experience while joining in the discussion on the Christian faith on a Q&A platform. Developed the app from scratch and included Book Reading; Book Listening (by scriptures); Reading plans; Sync to cloud/other devices; 40 translations; Study tools; Highlighting; Fast navigation; Study tools; Journals, Notes; Advanced search including search by voice; Questions and answers. Technologies used: Android Java, Retrofit, RxJava, Lombok, SQLite/Room, MVC, Firebase, In-app purchasing, Butterknife, Glide, etc.

Android Developer - ScanMyOpel Apps
Android Developer - ScanMyOpel Apps

ScanMyOpel software is a group of apps for Opel/Vauxhall diagnostics. It is primarily targeted at Opel car enthusiasts to let them diagnose their own cars. The app communicates with car boards through the Bluetooth external (hundred types of) adapters, get and set errors, parameters, including live parameters like speed, torque, etc. Developed the app from scratch, as well as my own adaptation technique for working with a big amount of adapters. The UI/UX is very simple, just a few pages, and the architecture was MVC. We had a big group of templates of car boards on a server to avoid storing local data.

Android Developer - TagMax
Android Developer - TagMax

TagMax is an EID cattle tag app for the Allflex RS420 and LPR EID Readers, as well as the Tru-Test SRS2 and XRS2 EID Readers. The app connects wirelessly to your cattle tag EID reader via the built-in Bluetooth - no additional hardware is required and there is no need to connect the reader to a computer. Technologies used: Android Java, BLE, Retrofit, RxJava, Lombok, SQLite/Room, MVC, Firebase, In-app purchasing, Butterknife, Glide, etc.

Education

Bachelor's and Master's Degrees, Applied Mathematics and IT
Bachelor's and Master's Degrees, Applied Mathematics and IT
Yerevan State University - Armenia
1996 - 2002 (6 years)