I am a Senior Android Developer with over 7 years of experience in building native Android applications utilizing Kotlin and modern Android technologies. I am passionate about creating scalable, maintainable, and high-quality mobile solutions focusing on clean code, software architecture, performance, and user experience. I thrive in Agile environments collaborating with various teams to deliver end-to-end solutions. Throughout my career, I have successfully delivered features for production applications with large-scale audiences, contributing to architecture design, feature development, performance optimization, and UI modernization. My strong background in modern Android development includes various technologies and programming paradigms, enabling me to maintain and evolve legacy systems while innovating and experimenting with new technologies.

Alejandro Carvalho

I am a Senior Android Developer with over 7 years of experience in building native Android applications utilizing Kotlin and modern Android technologies. I am passionate about creating scalable, maintainable, and high-quality mobile solutions focusing on clean code, software architecture, performance, and user experience. I thrive in Agile environments collaborating with various teams to deliver end-to-end solutions. Throughout my career, I have successfully delivered features for production applications with large-scale audiences, contributing to architecture design, feature development, performance optimization, and UI modernization. My strong background in modern Android development includes various technologies and programming paradigms, enabling me to maintain and evolve legacy systems while innovating and experimenting with new technologies.

Available to hire

I am a Senior Android Developer with over 7 years of experience in building native Android applications utilizing Kotlin and modern Android technologies. I am passionate about creating scalable, maintainable, and high-quality mobile solutions focusing on clean code, software architecture, performance, and user experience. I thrive in Agile environments collaborating with various teams to deliver end-to-end solutions.

Throughout my career, I have successfully delivered features for production applications with large-scale audiences, contributing to architecture design, feature development, performance optimization, and UI modernization. My strong background in modern Android development includes various technologies and programming paradigms, enabling me to maintain and evolve legacy systems while innovating and experimenting with new technologies.

See more

Experience Level

Expert
Expert

Language

English
Advanced
Spanish; Castilian
Intermediate
Portuguese
Fluent

Work Experience

Senior Android Software Engineer at WOM (Word of Mouth)
October 1, 2025 - April 30, 2026
As the Android developer, I was responsible for creating a mobile application built entirely in Kotlin. I developed a food rewards platform featuring restaurant discovery, map integration, and receipt upload functionality. Utilizing Jetpack Compose and modern architecture patterns, I implemented solutions adhering to Clean Architecture principles and integrated various APIs and Firebase services.
Android engineer at BeatStars
September 1, 2019 - October 1, 2025
BeatStars (Music License) is a platform where artists and producers can buy, sell, and license music beats online, making it easier to distribute and earn money from music. The app is built in Kotlin, combines two applications in one system, and has over 1 million downloads on the Google Play Store. A large part of the application was originally developed using XML-based UI, with ongoing migration and enhancements toward more modern approaches. I used Rxjava/Rxkotlin and coroutine for reactive management, The application integrates both REST APIs and GraphQL, and is structured using a multi-module architecture. From an architectural standpoint, I worked with both MVC and MVVM patterns, being responsible for developing, maintaining, managing, and integrating features across the application, as well as performing refactoring and design improvements in Kotlin to improve code quality and structure.

Education

Postgraduate Diploma in Computer Engineering at Universidade da Madeira
September 1, 2018 - July 31, 2019
Bachelor’s Degree in Electronic and Telecommunications Engineering at Universidade da Madeira
September 1, 2013 - July 31, 2017

Qualifications

Add your qualifications or awards here.

Experience Level

Expert
Expert

Hire a App Developer

We have the best app developer experts on Twine. Hire a app developer in Funchal today.