Alex Pele
Verified Expert in Engineering
Software Developer
Bucharest, Romania
Toptal member since April 7, 2025
Alex started his Android development career in 2015, when Butterknife was the new library, and app architecture was still finding its footing. Along the way, he has collaborated with some of the brightest engineering minds around the world, honing his ability to craft robust, scalable applications that keep users engaged and coming back for more. Alex will be a great addition to any team.
Portfolio
Experience
- Android - 10 years
- Kotlin - 8 years
- Unit Testing - 7 years
- Multi-module Architecture - 4 years
- Coroutines - 3 years
- Model View ViewModel (MVVM) - 3 years
- Model View Intent (MVI) - 3 years
- Jetpack Compose - 3 years
Availability
Preferred Environment
MacOS, Android Studio
The most amazing...
...thing I've built is Hoolan for Android, a world-class kitesurfing app loved by riders around the globe.
Work Experience
Senior Android Engineer
IBM
- Developed core libraries for one of the world's most loved coffee brands, powering apps used by millions.
- Built a modern design system using Jetpack Compose that unified UI components across multiple apps, streamlining development and ensuring brand consistency.
- Improved time to market by over 50% for new app launches across multiple global markets.
Senior Android Engineer
Hoolan
- Developed a market-leading application that integrates with Garmin watches to deliver detailed analysis of users' watersports sessions.
- Managed Play Store publishing across multiple release lanes, including internal testing, closed beta, and production rollout.
- Oversaw the launch process end to end, resulting in a stable, bug-free release that received immediate positive feedback from users.
Senior Android Engineer
Numbrs
- Contributed to high-impact features that supported company growth, playing a role in reaching a $1 billion valuation.
- Implemented a live chat feature with complex KYC flows, enhancing user verification and contributing to a faster onboarding process.
- Built back-end-driven content rendering, enabling real-time updates without requiring app releases.
- Reduced build times significantly by migrating the dependency injection setup from Dagger to Koin.
- Identified and helped fix a critical issue in the BitcoinJ library, reducing user transaction costs.
Junior, Mid-level Android Engineer
Fortech
- Developed an SDK to centralize and share core Bluetooth functionality across multiple client apps supporting e-bike devices.
- Extended the e-bike companion app for a leading bike manufacturer, delivering new features within a large, multi-module codebase.
- Implemented data syncing flows between the mobile app and back-end services and connected BLE hardware to ensure a seamless user experience.
Junior Android Engineer
Fortech SRL
- Developed a dating app from the ground up, implementing custom UI gestures, GPS-based matching, and social login support.
- Managed end-to-end Google Play Store publishing, including build configuration and production rollouts.
- Developed features with custom layouts for mobile tablets, enabling sales representatives to efficiently take client orders.
Web Developer
Seonid
- Built custom plugins for eCommerce websites powered by WordPress and CS-Cart, enabling tailored functionality for client needs.
- Reduced product migration time by 90% by developing a CS-Cart plugin that imported inventory data from legacy systems into the platform.
- Improved online presence for small and medium-sized businesses by developing responsive showcase websites using WordPress.
Experience
Hoolan for Android
http://www.hoolan.appEducation
Bachelor's Degree in Computer Science
Babes-Bolyai University - Cluj-Napoca, Romania
Skills
Libraries/APIs
REST APIs, RxKotlin, RxJava, Retrofit, Garmin API, Bitcoinj, Jetpack Room, Picasso, Google Maps SDK
Tools
Android Studio, Gradle, Flow, CS-Cart, Facebook Android SDK
Languages
Kotlin, Java
Paradigms
Unit Testing, Model View ViewModel (MVVM), Model View Intent (MVI), Model View Presenter (MVP), Object-oriented Programming (OOP), Functional Programming, E2E Testing
Platforms
Firebase, Android, MacOS, Software Design Patterns, Mapbox
Frameworks
Dagger 2, KOIN, Espresso
Storage
Realm, SQLite
Other
Jetpack Compose, Android Data Binding, Coroutines, SDK Development, Multi-module Architecture, Bluetooth, Hilt, Mapbox SDK, Data Binding, Location Services
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