Hello, I'm
Crafting innovative, secure, and high-quality native mobile applications for Android & iOS with 9+ years of experience.
Trusted by Industry Leaders
I'm a Senior Mobile Engineer with 9+ years of experience building native Android and iOS applications that users love.
With deep expertise in Kotlin, Swift, and Java, I specialize in applying SOLID principles and Clean Architecture to develop maintainable and scalable code. I work extensively with modern UI frameworks like Jetpack Compose and SwiftUI, and have strong experience with cross-platform solutions using Kotlin Multiplatform.
Beyond development, I bring additional value through my background in mobile security and reverse engineering, ensuring the applications I build are not only functional but also secure and resilient against vulnerabilities.
Native Android apps built with Kotlin and Jetpack Compose. Clean architecture, smooth animations, and optimized performance.
Native iOS apps with Swift and SwiftUI. Beautiful interfaces, Apple HIG compliant, and seamless user experiences.
Kotlin Multiplatform for shared business logic across Android and iOS. One codebase, native performance.
Comprehensive security analysis using reverse engineering techniques to identify vulnerabilities and strengthen your apps.
Design scalable, maintainable mobile architectures. Code review, refactoring, and team mentorship.
Lead mobile teams, establish best practices, CI/CD pipelines, and ensure high-quality deliverables.
Production apps I've contributed to
Fan engagement platform connecting artists with their core fans through exclusive content, live streams, and community features.
Business phone app for sales and support teams. Real-time calls, SMS, and CRM integration using Twilio Voice SDK and WebRTC.
Web3 email platform bridging Web2 and Web3. Wallet-to-wallet communication with full inbox ownership and crypto rewards.
Miami-based rideshare platform with no surge pricing. Driver and Rider apps with real-time tracking and multiple ride categories.
Senior Mobile Engineer
Málaga, Spain
Working on advanced technology solutions spanning Software Development, AI/ML, VR/AR, Cloud Infrastructure, and Data Analytics at this innovative tech group.
Android Tech Lead
Spain
Android Tech Lead at Atos, an IT services company. Responsible for the entire Android lifecycle: deployments, feature development, bug fixes, and setting technical standards for the team to follow.
Senior Mobile Engineer
Spain
Led development of native Android (Kotlin/Jetpack Compose) and iOS (Swift/SwiftUI) applications for this fast-growing contact center platform (#27 fastest-growing in Pacific region). Implemented real-time communication features using Twilio Voice SDK and WebRTC protocols.
Senior Reverse Engineer
Barcelona, Spain
Performed comprehensive mobile security analyses using IDA Pro, Ghidra, and JADX for static analysis, alongside Frida and LLDB for runtime debugging. Identified security flaws and provided actionable insights to fortify application integrity.
Mobile Lead
Barcelona, Spain
Led mobile development for the Web2 & Web3 email platform, building the bridge that brings full inbox ownership, control, and sovereignty back to users.
Lead Mobile Developer
Málaga, Spain
Developed Android app for cloud-based retail EPOS system with offline mode, customizable receipt printing, Clover SDK integration, and device-to-device communication.
iOS & Android Developer
Poland (Remote)
3+ years developing both Android and iOS applications, working across the full mobile development stack for various client projects.
Android Engineer
Miami, FL (Remote)
Developed Android applications for US-based fintech startup.
Senior Software Engineer
Cuba
Lead Android developer building mobile applications for the company's services.
Android Engineer
Spain, Miami, Cuba
Developed transportation apps for truckers in Spain using Firebase, Flutter-based apps with AWS Amplify backend, and university connectivity applications.
Alex is an exceptional mobile developer with deep expertise in both Android and iOS. His attention to detail and commitment to code quality made him an invaluable team member. He consistently delivered high-quality solutions on time.
Working with Alex on our Web3 mobile app was a game-changer. His understanding of mobile security and ability to implement complex wallet integrations was impressive. Highly recommended for any mobile project.
Alex's expertise in Kotlin and Jetpack Compose helped us modernize our entire Android application. His architectural decisions and clean code practices set a new standard for our mobile team.
Exceptional work on our real-time communication features. Alex implemented complex Twilio and WebRTC integrations flawlessly. His problem-solving skills and technical knowledge are outstanding.
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.