Mobile
Kotlin, Java, Android SDK, Jetpack Compose, Material 3, Android Jetpack, XML
Senior Android Engineer • Kotlin • KMP • CMP
Building reliable, scalable and modern mobile experiences.
I’m Daniel Koranteng, a Senior Mobile Engineer based in Accra, Ghana with 8+ years of experience designing, building and maintaining production-grade Android applications across fintech, mobile money, e-commerce, media, enterprise and consumer technology.
About Me
Senior mobile engineer with product, architecture and delivery experience.
I specialize in building Android applications that are maintainable, testable, scalable and production-ready. My work includes refactoring legacy codebases, modernizing project architecture, improving app stability, creating reusable UI systems and delivering reliable mobile releases.
I use AI-assisted development tools such as Claude and GitHub Copilot to support refactoring, debugging, documentation, test creation and productivity while keeping engineering quality, code reviews and architectural decisions human-led.
Technical Skills
Modern mobile engineering stack
Architecture
Clean Architecture, MVVM, MVI, Modular Architecture, Repository Pattern, Use Cases, UDF, SOLID
KMP / CMP
Kotlin Multiplatform, Compose Multiplatform, shared business logic, cross-platform architecture
Android Libraries
ViewModel, Coroutines, Flow, StateFlow, Navigation Compose, Room, DataStore, WorkManager, Paging 3
Backend & Data
Retrofit, OkHttp, REST APIs, WebSockets, JSON, Firebase, Google Cloud Platform, SQLite, Realm, MongoDB
Quality & Release
JUnit, Espresso, Mockito, Robolectric, UI Automator, Compose UI Testing, GitHub Actions, Jenkins, Fastlane
Experience
Professional background
Aug 2024 — May 2025
Senior Android Engineer · Genkey Africa
Migrated and modernized Android codebases from Java to Kotlin, improved maintainability, adopted Room, Navigation, ViewModel, lifecycle-aware components and modular architecture.
Sept 2021 — Feb 2023
Senior Android Developer · Riff Media Inc.
Built modern Android features using Kotlin, Jetpack Compose and Android Jetpack. Supported bi-weekly releases, CI/CD workflows, testing strategy and production stability improvements.
Aug 2016 — May 2021
Android Developer · TechNation Ghana
Delivered commercial Android apps across fintech, mobile money, event ticketing, music streaming and community platforms using Kotlin, Java and clean engineering practices.
Jan 2014 — Jan 2015
Mobile Development Intern · AITI-KACE
Built foundational Android development experience using Android SDK, Java, XML layouts, SQLite and REST API concepts.
Selected Projects
Apps and platforms I’ve worked on
MoMo Swift
A USSD automation mobile money agent processing app designed to streamline agent operations, reduce repetitive transaction steps and improve processing efficiency.
Kotlin • Android • Jetpack • Automation • Clean Architecture
Aftown Music
Music streaming experience for African artists with media browsing, playback flows, Firebase, ExoPlayer and payment integrations.
Kotlin • Java • Firebase • ExoPlayer
AyaTickets
Event ticketing workflows for discovery, purchasing, ticket management and validation with mobile money and card payment support.
Kotlin • Firebase • Maps • Payments
Live 91.9FM
Radio and media app experience focused on content discovery, streaming flows, stability and user engagement.
Kotlin • Firebase • ExoPlayer
Sold App
Sales, distribution tracking and reporting system with mobile workflows for real-time tracking and operational visibility.
Java • Firebase • Maps
Religious & Community Platforms
Mobile platforms supporting content delivery, community engagement, event updates and reusable user experience components.
Android • Firebase • UI Components