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Hi, I’m Diego. I’m an Android Developer with 7+ years of experience building large-scale consumer and business apps. I specialize in Kotlin, Android Jetpack, MVVM/Clean Architecture, and end-to-end delivery—from discovery and UX collaboration to release, monitoring, and iteration. I thrive in cross-functional teams, delivering high-quality code and robust apps by coordinating with product, design, and QA. I enjoy turning feedback into tangible improvements that boost performance, reliability, and user experience across markets.…Hi, I’m Diego. I’m an Android Developer with 7+ years of experience building large-scale consumer and business apps. I specialize in Kotlin, Android Jetpack, MVVM/Clean Architecture, and end-to-end delivery—from discovery and UX collaboration to release, monitoring, and iteration. I thrive in cross-functional teams, delivering high-quality code and robust apps by coordinating with product, design, and QA. I enjoy turning feedback into tangible improvements that boost performance, reliability, and user experience across markets.

Diego Guaña Logroño

App Developer, Full Stack Developer, Back-End Developer, +2

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Hi, I’m Diego. I’m an Android Developer with 7+ years of experience building large-scale consumer and business apps. I specialize in Kotlin, Android Jetpack, MVVM/Clean Architecture, and end-to-end delivery—from discovery and UX collaboration to release, monitoring, and iteration. I thrive in cross-functional teams, delivering high-quality code and robust apps by coordinating with product, design, and QA. I enjoy turning feedback into tangible improvements that boost performance, reliability, and user experience across markets.…Hi, I’m Diego. I’m an Android Developer with 7+ years of experience building large-scale consumer and business apps. I specialize in Kotlin, Android Jetpack, MVVM/Clean Architecture, and end-to-end delivery—from discovery and UX collaboration to release, monitoring, and iteration. I thrive in cross-functional teams, delivering high-quality code and robust apps by coordinating with product, design, and QA. I enjoy turning feedback into tangible improvements that boost performance, reliability, and user experience across markets.

Available to hire

Hi, I’m Diego. I’m an Android Developer with 7+ years of experience building large-scale consumer and business apps. I specialize in Kotlin, Android Jetpack, MVVM/Clean Architecture, and end-to-end delivery—from discovery and UX collaboration to release, monitoring, and iteration.

I thrive in cross-functional teams, delivering high-quality code and robust apps by coordinating with product, design, and QA. I enjoy turning feedback into tangible improvements that boost performance, reliability, and user experience across markets.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Android Developer at ALTEN

February 1, 2024 - Present

Contribute to Inditex’s consumer Android apps (Zara, Pull&Bear, Massimo Dutti, Bershka), used by millions across multiple countries; ship features and UX improvements while safeguarding performance and app stability. Own stories from implementation to release, collaborating with product/design and QA to ensure acceptance, observability, and regression-safe rollouts. Improve maintainability through refactors toward Clean Architecture/MVVM and testable boundaries; participate in code reviews and knowledge sharing.

Android Developer at INETUM

June 1, 2022 - August 1, 2023

Built the on-board Android application for EMT Valencia buses controlling peripheral devices, selling tickets (cash/card), printing receipts, and syncing with the backend in real time. Implemented driver-facing route guidance and telemetry capture; optimized offline/online data sync and error handling for high uptime in the field.

Mobile App Developer at Blautic

February 1, 2021 - May 1, 2022

Delivered cross-platform sensor-driven apps for health/biomedical use cases with low-power wireless devices. ZivenCardio (Android&iOS): Continuous monitoring of physical/cardiac activity with real-time visualization and historical records; configurable alerts for anomalous events. BioMonitor (Android): Acquisition/visualization of ECG and EMG with 3-axis motion data; computed metrics (e.g., heart rate) and arrhythmia analysis.

Freelance Android Developer at Various Clients

May 1, 2017 - April 1, 2019

Built bespoke native Android apps using Java/Kotlin; leveraged Firebase, DI, and unit testing to deliver reliable MVPs and production releases.

Java Developer at Indra Software BPO

October 1, 2013 - May 1, 2017

Developed custom software for public sector clients using Java, PL/SQL, Struts, Spring Boot; partnered with analysis to refine requirements and deliver maintainable solutions.