01/08/2026 updated

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Senior Android Engineer

Vilnius, Lithuania Computer Software Engineering
Vilnius, Lithuania Computer Software Engineering

Profile attachments

RAIMOND_MAZAJEV_CV_2025_EN (1).pdf

About me

I have 10+ years of experience in software development, 8+ of them as Android Developer. Can be a team player or independent solo developer. I'm a proactive, responsible and reliable person.

HTMLJava (Programming Language)JavaScriptPHPGeographic Information SystemsApplication Programming Interfaces (APIs)Android Software DevelopmentArcGIS (Software)ArchitectureAtlassian ConfluenceAtlassian JiraUnit TestingCascading Style Sheets (CSS)Computer ProgrammingDatabasesContinuous IntegrationDatabase DesignDependency InjectionProgramming ToolsWeb DevelopmentFraud Prevention and DetectionGitHubGoogle MapsMobile Application SoftwareJUnitModel View Controller (MVC)Model View ViewModelOpenLayersMockitoRxjavaSoftware EngineeringPL-SQLSQL DatabasesTesting StrategiesVPN ClientsWeb ApplicationsExtensible Markup Language (XML)Esri GIS (Software)Electric VehicleCircleCITesting.NET CoreBackendGitLabGitOracle DesignerKotlinAngularJSGitlab-ciJetpack ComposeFull Stack DevelopmentReactive ProgrammingAtlassian BitbucketData ManagementWeb TechnologiesFintechRestful ApiSoftware Version ControlData BindingDatabase AdministrationJenkins
I have 10+ years of experience in software development, 8+ of them as Android Developer. Can be a team player or independent solo developer. I'm a proactive, responsible and reliable person.

Worked on multiple projects:
- Fintech
- ID verification/fraud prevention
- e-mobility sharing
- e-cars sharing
- Hardware-related (wifi sonars, BLE devices)
- Wellness/beauty booking platform
- VPN client (mobile/TV)
- GIS (used Esri, OpenLayers, Google maps, Mapbox libraries/SDKs)

Technologies and tools:
- Kotlin/Java
- Retrofit, moshi, gson
- MVVM, MVI, MVP, MVC, clean architecture
- Jetpack libraries
- XML/Compose UI
- DI (dagger 2/Hilt, koin)
- Reactive programming (RxJava, kotlin flow)
- Github, Bitbucket, Gitlab, JIRA, Confluence
- CI (Jenkins, Bitrise, Circle CI, Gitlab CI, Github Actions)
- JUnit 4/5, mockito, mockk

Languages

EnglishFluentPolishBasic knowledgeRussianBasic knowledgeLithuanianNative speaker

Project history

Android Developer

Nets Danmark A/S
ID verification application and SDK development/maintenance, new features development, white label ID verification app development from scratch, migration from Java to Kotlin

Freelancer/Contractor

Freelancer/Contractor
WEB development, Custom web app, REST API development using .NET core, REST API, Angular 2/4/6, OpenLayers, Esri ArcGis JS, Java Spring, TypeScript, Android app/sdk development, Various projects maintenance

Android Developer

UAB Pandos
Old app maintenance, migration from Java to Kotlin, new social app development from scratch using Kotlin, Compose, Coroutines, Hilt, MVVM, AppLovin, AdMob

Android Developer

UAB SPARK Technologies
e-Cars sharing application maintenance, new features development using Kotlin, MVVM, Clean architecture, Coroutines, RxJava, Flow, Retrofit, Dagger/Hilt

Android Developer

UAB Deverium
Native SDK development for ID verification/Fraud prevention, full SDK development lifecycle including design, architect, document, develop, tech stack selection, Unit testing, sample code/apps preparation

Android Developer

UAB Deeper
Smart fishing sonar app maintenance, new features development using Kotlin, MVVM, Clean architecture, Coroutines, Flow, Retrofit, Dagger

Android Developer

TransferGo
Fintec app maintenance, new features development, code maintenance using Kotlin, MVVM, RxJava, Clean architecture, Retrofit, DataBinding, Dagger

Android Engineer

Urban Lithuania, UAB
Wellness booking app development, new features and maintenance, migration from Java to Kotlin using Kotlin, Java, Retrofit, Dagger, Coroutines, RxJava, MVVM, MVP, Git, JIRA

Android Developer

Voi Technology AB
e-scooters sharing app development using Kotlin, Retrofit, Dagger, Data binding, Coroutines, MVVM, Git, JIRA

Android Developer

Tesonet
NordVPN application development for Android TV and mobile devices, Native SDK development for scanning unsecure Wifi networks using Java, Kotlin, Retrofit, Dagger, RxJava, Data binding, MVVM, Realm, Picaso, Firebase, Git

Developer

COWI Lietuva
WEB applications development, Full-stack developer, GIS web applications development using JavaScript, Angular, Angular 2, C#, HTML, CSS, Desktop applications development, .NET, MVC, .NET core

Software Engineer

HNIT-BALTIC
WEB services using JAVA, Android app development, Interactive map web app using ArcGIS API for JS, HTML, CSS, Custom widget development using Ext JS and Dojo frameworks, Geoprocessing services using python and ESRI arcpy

Web developer

Texus, JSC Sales Partners
Cutting html from psd, Website development using PHP, CSS, HTML, CMS made simple modules development using PHP, Smarty, MySQL DB, Cross browser website development

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