07/31/2025 updated
100 % available
Senior Android Developer, Contractor, Senior Android Developer, Contractor, Lead Android Developer
Bucharest, Romania
Worldwide
B. Sc. Electronics, Telecommunications & ITClean Code PrinciplesJava (Programming Language)Application Programming Interfaces (APIs)Agile MethodologyAndroid (Software)Android Software DevelopmentAtlassian JiraUnit TestingBiometricsC Sharp (Programming Language)DatabasesContinuous IntegrationData CentersDatabase EncryptionGradle
Agile, Android App, Android apps, Android Development, Android SDK, API, Biometrics, C#, Clean Code, CI/CD, database encryption, Database, Dynatrace, Firebase, Gerrit, Git, Github Enterprise, Gitlab, Google Play, Gradle, JIRA, Java, Jenkins, JUnit, Kotlin, mobile app, Mockito, MVVM, Parse, Python, REST API, RxJava, SQLite, Scrum, Application Development, software solutions, SOLID Principles, SonarQube, unit tests
Experience
Professional experience10+ years
Freelancer since2021
Languages
GermanBasic knowledgeEnglishFluentFrenchBasic knowledgeRomanianNative speaker
Project history
* Senior Android Developer in the aviation industry, developing new features and
maintaining the mobile app of Aer Lingus, the main airline company in Ireland
* Improved the mobile booking and check-in process for US/Canada flights which
led to a decrease in airport check-ins and customer support calls
* Reviewed and improved the release process of the Android App, ensuring that
any possible issues are immediately solved
Tech stack: Java, Kotlin, Android SDK, RxJava, Kotlin Coroutines, JUnit, Mockk,
Retrofit, Jetpack Components, MVP, MVVM, SOLID Principles, Clean Architecture ,
JIRA, Agile Scrum
maintaining the mobile app of Aer Lingus, the main airline company in Ireland
* Improved the mobile booking and check-in process for US/Canada flights which
led to a decrease in airport check-ins and customer support calls
* Reviewed and improved the release process of the Android App, ensuring that
any possible issues are immediately solved
Tech stack: Java, Kotlin, Android SDK, RxJava, Kotlin Coroutines, JUnit, Mockk,
Retrofit, Jetpack Components, MVP, MVVM, SOLID Principles, Clean Architecture ,
JIRA, Agile Scrum
* Senior Android Developer in an international healthTech project, developing
Glucolytics - an app that helps people with diabetes
* Developed features with complex and intuitive UI components such as data
graphs
* Delivered maintainable code, with high coverage of unit tests and technical
documentation associated
Tech Stack: Kotlin, Android SDK, Kotlin Coroutines, Koin, JUnit, Mockk, Retrofit,
Realm Database, Jetpack Components, MVVM, SOLID Principles, Clean Architecture,
Detekt, SonarQube, JIRA, Agile Kanban, Agile Scrum
Glucolytics - an app that helps people with diabetes
* Developed features with complex and intuitive UI components such as data
graphs
* Delivered maintainable code, with high coverage of unit tests and technical
documentation associated
Tech Stack: Kotlin, Android SDK, Kotlin Coroutines, Koin, JUnit, Mockk, Retrofit,
Realm Database, Jetpack Components, MVVM, SOLID Principles, Clean Architecture,
Detekt, SonarQube, JIRA, Agile Kanban, Agile Scrum
* Lead Android Developer for a team of 6-8 developers, ensuring the
development of reliable software solutions for projects which included Android
apps. The main product was Smart Mobile, a mobile banking Android app with
over one million active users
* Developed mobile banking functionalities such as payments and bank transfer
flows, secure authentication with OAuth and Biometrics, and ensured
implementation of best security practices such as database encryption, secure
networking
* Successfully managed and solved production incidents, iterating and improving
our delivery process, leading to a 4.7 stars rated app in the Google Play Store
Tech stack: Kotlin, Java, Android SDK, RxJava, Dagger2, JUnit, Mockito, PowerMock,
Retrofit, Realm Database, MVP, MVVM, SOLID Principles, Clean Code, CI/CD, Gitlab,
Jenkins, Gradle, Git, SonarQube, CAST AIP, Dynatrace, JIRA, Agile Scrum
development of reliable software solutions for projects which included Android
apps. The main product was Smart Mobile, a mobile banking Android app with
over one million active users
* Developed mobile banking functionalities such as payments and bank transfer
flows, secure authentication with OAuth and Biometrics, and ensured
implementation of best security practices such as database encryption, secure
networking
* Successfully managed and solved production incidents, iterating and improving
our delivery process, leading to a 4.7 stars rated app in the Google Play Store
Tech stack: Kotlin, Java, Android SDK, RxJava, Dagger2, JUnit, Mockito, PowerMock,
Retrofit, Realm Database, MVP, MVVM, SOLID Principles, Clean Code, CI/CD, Gitlab,
Jenkins, Gradle, Git, SonarQube, CAST AIP, Dynatrace, JIRA, Agile Scrum