Senior Mobile Engineer | Android (Kotlin/Compose) & Flutter | Fintech & Payments | Riyadh
Nearly 6 years building security-critical mobile platforms, payment SDKs and cross-platform apps, including nearly three years in fintech and payments.
Based in Riyadh, Saudi Arabia. Available immediately.
- Payment SDKs inside a wallet platform supporting $5M+ processed across 384K+ wallets at 99.9% reliability (Istinara-MATC)
- A 15-module Gradle architecture in Kotlin/Compose for a SAMA/PDPL-regulated Android POS (DaftarPay)
- Encrypted local storage, TLS 1.3 certificate pinning and audit logging for regulated payment products
- Cross-platform fintech apps on Clean Architecture and DDD, with Melos monorepos and offline-first data layers
Android: Kotlin, Jetpack Compose, Coroutines/Flow, Room, Hilt, Gradle multi-module, Baseline Profiles
Flutter: Dart, Riverpod, BLoC, Drift, Platform Channels, Shorebird OTA, Melos monorepo
Security: AES-256, SQLCipher, Android Keystore, certificate pinning (TLS 1.3), NFC HCE, OWASP Mobile Top 10
Architecture: Clean Architecture, DDD, MVVM, MVI, SDK design, HLD/LLD, offline-first