Available for Senior Android & KMP roles

Building Android apps
used by millions.

I'm Orlando Fernández, Senior Android Developer specialized in Kotlin, Jetpack Compose and Kotlin Multiplatform. Based in Portugal, shipping mobile experiences worldwide.

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PROFILE.KT
Orlando Fernández
Senior Android Developer
▍
KotlinComposeKMPHiltRoomCoroutines
Currently @
Decskill, Portugal
Mar 2024 — Present
// ABOUT

Senior Android Engineer based in Portugal

Android Engineer with 8+ of experience designing and delivering high-performance, production-grade mobile applications using Kotlin and modern Android technologies. Currently contributing to the La Redoute Android app — a French e-commerce platform with over 10M — driving architecture improvements, performance optimizations, and scalability in a cross-functional international team. Specialized in Clean Architecture, Jetpack Compose, and modular codebases, with a strong background in both product delivery and technical mentorship.

// status
Open to Senior Android opportunities
Remote or on-site in Europe
Porto, Portugal
// EXPERIENCE

Where I've shipped

Senior Android Developer

CURRENT
Decskill (on-site at La Redoute)
Porto, Portugal · Mar 2024 – Present
  • ▹Contribute to the La Redoute Android app: 10M+ downloads, top-100 in multiple EU countries.
  • ▹Improved app startup by implementing Baseline Profiles and migrating DI to Koin with Android App Startup.
  • ▹Reduced build times by migrating to Gradle KTS with convention plugins and build-config to standardize module creation and enforce implementation scoping.
  • ▹Collaborate with cross-functional teams in an Agile international environment.

Mid-Senior Android Developer

Quental
Madrid, Spain · Jul 2022 – Oct 2023
  • ▹Architected and delivered two production apps: TaxiBlau (client) and Taxi Blau Taxistas (driver), live on Google Play, serving 60+ municipalities in Catalonia.
  • ▹Stack: MVVM · Compose · Hilt · Room · Maps SDK · WorkManager · TDD. Team of 6, Kanban.

Android Developer & University Professor

University of Camagüey
Cuba · Sep 2019 – May 2023
  • ▹Led the mobile development group; managed teams and delivered multiple production apps.
  • ▹Taught native Android development; awarded for innovative teaching methodology.

Junior Android Developer

University of Camagüey
Cuba · Sep 2016 – Jul 2019
  • ▹Founded the student app development group; delivered award-winning Android apps.
// SKILLS

Toolbelt

// Languages
★Kotlin★JavaDartJavaScriptHTML5CSS
// UI & Design
★Jetpack ComposeXML LayoutsMotionLayoutMaterial Design 3Material DesignZeplin
// Architecture
★Clean Architecture★MVVM★MVIMVPMVCS.O.L.I.DModularizationAndroid Architecture Components
// Async & Reactive
★Coroutines★FlowStateFlowSharedFlowRxJava (basic)
// Dependency Injection
★HiltKoin
// Networking
★RetrofitKtorOkHttpREST APIsRabbitMQJSON
// Persistence
★RoomSQLiteDataStorePostgreSQLMySQLSQL
// Build & Tooling
★Gradle KTSConvention PluginsVersion CatalogsBuild ConfigAndroid StudioGitGitHubGitLabBitbucketCI/CDTrelloKanbanScrumAgile Methodologies
// Testing
★TDDUnit TestingUI Testing (Espresso)JUnitMockkCode ReviewTesting Android
// Performance & Stability
★Baseline ProfilesLeakCanarySystraceApp StabilityPerformance ProfilingDebugging
// Multiplatform
★Kotlin Multiplatform (KMP)Flutter (basic)
// Wearables
Wear OSWearOS SDK
// Integrations
FirebaseGoogle MapsGoogle PayAndroid SDKAndroid JetpackWorkManagerPaging 3NavigationApp StartupOpenCompose
// Backend (Awareness)
Spring Boot (Kotlin)Ktor BackendPostgreSQL
// Soft Skills
Cross-functional collaborationProblem solvingAdaptabilityTime managementAttention to detailAnalytical thinkingOwnershipContinuous improvementCommunicationProject managementTeaching & Mentorship
// PROJECTS

Selected work

L

La Redoute – Fashion & Home

E-commerce Android app for a leading French fashion brand. 10M+ downloads, top-100 in multiple EU countries. Personalized shopping, integrated payments, wishlists, and real-time promotions.

MVIComposeKotlinKoinRoomCoroutinesBaseline ProfilesGradle KTSModularization
Play Store
// TaxiBlau Platform

TaxiBlau – Client App

Passenger-facing taxi app for Barcelona and 60+ Catalan municipalities. Real-time tracking, advance booking, in-app payment, accessible vehicles, 24/7 support.

MVVMComposeXMLHiltRoomRetrofit
Play Store

Taxi Blau Taxistas – Driver App

Professional driver-facing app for Taxi Blau's fleet. Trip management, real-time requests, shift tracking, business account access. No fixed fees.

MVVMComposeXMLHiltRoomRetrofit
Play Store
T

Tickets UC – University Meal Payment

QR-based ticket purchasing with integrated payment gateways. Team of 10, Scrum.

MVVMComposeHiltRoomRetrofitFlowQR Scanner
A

APK PCR – COVID Test Results

Rapid-deploy app for retrieving COVID-19 PCR results via QR code.

MVIKotlinRoomHiltFlowNavigation
H

Historical Center of Camagüey – e-Government

Digital Government app for the city's Orientation Office. Maps, directory, offline support.

MVVMJavaRoomRetrofitHiltLiveData
// WRITING

Publications

Clean Architecture + MVVM for Native Android – Part 1
Read on Medium
Clean Architecture + MVVM – Domain Layer (Part 2)
Read on Medium
Clean Architecture + MVVM – Presentation Layer (Part 3)
Read on Medium
Clean Architecture + MVVM – UI Layer (Part 4)
Read on Medium
Clean Architecture + MVVM – Data Layer (Part 5)
Read on Medium
Clean Architecture + MVVM – Data Source Layer (Part 6)
Read on Medium
// AWARDS

Recognition

Best Graduate 2018–2019 — Union of Informaticians of Cuba (UIC)
Scientific Merit Prize, Graduation 2018–2019 — University of Camagüey
Outstanding Socioeconomic Impact in Digital Transformation — UIC, 2019
CITMA Special Award for contribution to science and social development — Cuba, 2019
Featured at XXIV National Forum of University Students of Technical Sciences — 2019
Speaker — III International Scientific Conference UICIENCE — 2019
Speaker — XIII International Symposium: Challenges in the Management of Cities — 2018
// LANGUAGES

Spoken

SpanishNative
100%
EnglishC1 Advanced — EF SET Certifiedcert
85%
PortugueseA2 Beginner
35%
// CONTACT

Let's build something

Open to Senior Android & KMP opportunities, remote or on-site in Europe. Reach out and I'll get back to you within a day.

github.com/OrlanDroydlinkedin.com/in/orlandroydmedium.com/@orlandroydorlando.programmer@gmail.com