Lead Android Architect
Saul Cintero
I design and modernize Android platforms focused on scalability, reliability and long-term maintainability. 14+ years building and evolving production mobile systems across finance, retail, media and public sector environments.
About me
I'm a Lead Android Architect specializing in scalable Android platforms, modern architecture and Jetpack Compose.
My work focuses on architecture modernization, technical governance and reliable delivery processes, helping teams improve maintainability, stability and long-term platform evolution.
I collaborate across engineering, product and platform teams to drive architectural decisions, define technical standards and promote modern Android development practices.
I also contribute to Open Source projects such as KDE Connect and continue exploring AI-assisted software engineering for Android development.
Work experience
Lead Android Architect
Prosegur - Argentina
2026 - Present
Leading the Android architecture strategy and technical governance for enterprise mobile applications, driving platform modernization and long-term engineering initiatives.
• Assessing the Android platform through codebase reviews and historical pull request analysis to identify technical debt and guide architectural decisions.
• Providing technical guidance and hands-on support to development teams by resolving complex implementation issues and contributing production-ready solutions.
• Proposed an atomic modularization strategy to improve build performance, reduce CI/CD costs and increase platform scalability.
• Led the completion of the remaining CI/CD pipeline migration from Jenkins to GitHub Actions, consolidating the engineering delivery platform.
• Validated the technical feasibility of strategic platform initiatives through proof-of-concepts, reducing integration risks ahead of project execution.
Mobile & DevOps Engineer
Hiberus - Spain & Argentina
2021 - 2026
Delivering Android solutions across finance, public sector, media, retail and entertainment, supporting applications with 100K+ users.
• Modernized legacy Android applications by introducing dependency injection, ViewModels and modern navigation patterns.
• Implemented Adyen payment integration on Android POS terminals operating in kiosk mode.
• Designed and implemented new CI/CD pipelines (GitHub Actions → GitLab CI + Fastlane on Docker), reducing deployment time by 55%.
• Improved production stability by eliminating recurring crashes and resolving complex device-specific issues.
Software Engineer
ALCAD Electronics - Irun, Spain
2020 - 2021
Worked on projects combining AI-based video analytics systems and web platform modernization.
• Developed a high-performance C++ daemon for real-time person detection on embedded hardware (Intel NUC), processing video streams from 20+ IP cameras per node under strict memory constraints.
• Modernized an internal management platform by migrating it from ActionScript3 to TypeScript, redesigning the interface using Material Design principles.
CTO & Co-Founder
Kinendu - Irun, Spain
2017 - 2023
Co-founded a technology startup and led the technical strategy, designing the system architecture and delivering the first product from concept to production.
• Designed the system architecture, including REST APIs, database model and backend services.
• Led cross-platform development across Android, iOS and Web, ensuring consistent product delivery.
• Managed AWS infrastructure, deployments and operational costs.
• Represented the technical vision in discussions with investors and stakeholders.
Software Developer & Network Administrator
TransNatur Norte - Irun, Spain
2002 - 2019
Developed internal systems for a large logistics company while managing enterprise IT infrastructure supporting daily operations.
• Built native Android (Java) and iOS (Objective-C) applications for real-time logistics tracking and proof-of-delivery.
• Developed backend integrations and third-party API connections to automate logistics workflows and reduce operational errors.
• Administered IT infrastructure for 500+ employees, improving system security, uptime and data reliability.
Featured Projects
Explore some of my recent work and creative solutions.
KDE Connect
Open Source Android Project
Description:
Securely connects Android devices and desktop computers, enabling seamless communication, file sharing and remote control over the local network.
Role:
Open Source Contributor — Modernized the Android application through Jetpack Compose migration, Kotlin adoption and engineering improvements.
MeteoMate
Android Weather Application
Description:
Privacy-focused weather application featuring forecasts, home screen widgets and AI-powered outfit recommendations.
Role:
Creator & Lead Developer — Designed, developed and maintained the project end-to-end, including architecture, UI/UX, testing and Google Play release management.
Skills
Core technical areas that shape the mobile platforms and systems I build
Kotlin & Android
Building production Android applications using Kotlin, Jetpack and modern Android development practices.
Mobile Architecture
Designing scalable mobile architectures, technical standards and platform evolution strategies.
Platform Modernization
Modernizing Android platforms through architectural improvements, modularization and engineering best practices.
CI/CD & Delivery Systems
Designing and improving engineering delivery pipelines for faster, more reliable software releases.
Performance & Reliability
Improving application stability, performance and long-term maintainability through architectural improvements
Open Source
Contributing to open-source Android projects, modernizing codebases and improving long-term maintainability.
Get in touch
Send me a message and I'll follow up as soon as posible. Let's talk!