Acerca de Sebastián
Español
Bilingüe o nativo
Inglés
Competencia profesional completa
Experiencia
- Plexus Tech (Santander Digital Services)Senior Android Developerseptiembre de 2023 - Hoy (2 años y 9 meses)Developing mission-critical banking components within Santander's mobilearchitecture team, directly impacting 1M+ daily active users across European markets.• Architected and implemented secure WebView library adopted across all SantanderAndroid applications, reducing service calls by 40% through intelligent cachingstrategies• Built comprehensive analytics framework using Clean Architecture principles,enabling real-time business intelligence and user behavior tracking• Established modular architecture patterns improving build times and enablingparallel feature development• Mentored junior developers on Kotlin best practices, Clean Architecture, and test-driven developmentTech Stack: Kotlin, Jetpack Compose, Dagger Hilt, Coroutines/Flow, Room, Retrofit,MockK
- Query InformáticaAndroid Developerabril de 2020 - septiembre de 2023 (3 años y 5 meses)Led technical modernization of enterprise mobile applications serving 10,000+ fieldworkers across Spain.• Migrated hundred lines of Java to idiomatic Kotlin, reducing codebase and bug reports• Implemented Clean Architecture across 4 production applications• Developed Bluetooth LE integration for POS systems• Built offline-first synchronization using WorkManager and Room, ensuring 100% dataintegrity• Achieved and maintained 99.5% crash-free user rate through systematicperformance monitoringTech Stack: Kotlin, MVVM, Clean Architecture, WorkManager, Room, Bluetooth LE,Coroutines
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Formación
- Big Data and Artificial IntelligenceIES Severo Ochoa2023Big Data and Artificial Intelligence
- Multiplatform Application DevelopmentIES Severo Ochoa2022Multiplatform Application Development