Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Jose Ruano, a senior Android developer who loves turning ideas into reliable mobile apps that users enjoy. I thrive in fast-paced environments, collaborate well with cross-functional teams, and continuously seek opportunities to improve code quality and product outcomes. Over the years I have led migrations to Clean Architecture, MVVM, and modern Android tooling, implemented GraphQL integrations with Apollo, and built features such as NFC tag reading, real-time communication with WebSockets, push notifications, and efficient offline data handling with Room. I am passionate about performance optimization, test-driven development, and shaping scalable, maintainable mobile solutions in partnership with Backend, QA, Product, and Design teams.…I'm Jose Ruano, a senior Android developer who loves turning ideas into reliable mobile apps that users enjoy. I thrive in fast-paced environments, collaborate well with cross-functional teams, and continuously seek opportunities to improve code quality and product outcomes. Over the years I have led migrations to Clean Architecture, MVVM, and modern Android tooling, implemented GraphQL integrations with Apollo, and built features such as NFC tag reading, real-time communication with WebSockets, push notifications, and efficient offline data handling with Room. I am passionate about performance optimization, test-driven development, and shaping scalable, maintainable mobile solutions in partnership with Backend, QA, Product, and Design teams.

Jose Ruano

App Developer, Web Developer, Full Stack Developer, +2





I'm Jose Ruano, a senior Android developer who loves turning ideas into reliable mobile apps that users enjoy. I thrive in fast-paced environments, collaborate well with cross-functional teams, and continuously seek opportunities to improve code quality and product outcomes. Over the years I have led migrations to Clean Architecture, MVVM, and modern Android tooling, implemented GraphQL integrations with Apollo, and built features such as NFC tag reading, real-time communication with WebSockets, push notifications, and efficient offline data handling with Room. I am passionate about performance optimization, test-driven development, and shaping scalable, maintainable mobile solutions in partnership with Backend, QA, Product, and Design teams.…I'm Jose Ruano, a senior Android developer who loves turning ideas into reliable mobile apps that users enjoy. I thrive in fast-paced environments, collaborate well with cross-functional teams, and continuously seek opportunities to improve code quality and product outcomes. Over the years I have led migrations to Clean Architecture, MVVM, and modern Android tooling, implemented GraphQL integrations with Apollo, and built features such as NFC tag reading, real-time communication with WebSockets, push notifications, and efficient offline data handling with Room. I am passionate about performance optimization, test-driven development, and shaping scalable, maintainable mobile solutions in partnership with Backend, QA, Product, and Design teams.

Available to hire

I’m Jose Ruano, a senior Android developer who loves turning ideas into reliable mobile apps that users enjoy. I thrive in fast-paced environments, collaborate well with cross-functional teams, and continuously seek opportunities to improve code quality and product outcomes.

Over the years I have led migrations to Clean Architecture, MVVM, and modern Android tooling, implemented GraphQL integrations with Apollo, and built features such as NFC tag reading, real-time communication with WebSockets, push notifications, and efficient offline data handling with Room. I am passionate about performance optimization, test-driven development, and shaping scalable, maintainable mobile solutions in partnership with Backend, QA, Product, and Design teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Android Developer / Android Analyst

January 1, 2018 - January 1, 2025

Led Android development projects from 2018 to 2025. Migrated an existing Java MVP app to Clean Architecture, MVVM, and Repository Pattern, with Jetpack Compose. Implemented GraphQL integration using Apollo. Introduced modern tooling and testing practices; performed code reviews and PR management; automated CI/CD pipelines with Jenkins; collaborated with Backend, QA, Product and Design teams; enhanced performance and reliability, including NFC tag reading, real-time communication via WebSockets, push notifications, and offline data handling with Room.

Lead Mobile Developer at ALKIMII

January 1, 2016 - January 1, 2018

Lead mobile developer for a small Irish startup focused on hotel management solutions. Migrated old Java MVP app to Clean Architecture + MVVM + Repository Pattern + Compose; introduced Coroutines, Flow, and StateFlow for state management; migrated REST API to GraphQL using Apollo; applied Test Driven Development; Unit/UI/End-to-End testing with JUnit, MockK, Appium; Firebase Crashlytics, Analytics and App Store management; implemented local data persistence with Room and Paging; added features including NFC tag reading, real-time WebSocket communication, push notifications, and local database management. Conducted code reviews and PR management; automated CI/CD pipelines with Jenkins; led architecture, scalability, and performance discussions; collaborated with Backend, QA, Product, and Design teams; reduced app load time by 40% and crash-free rate to 99.9%.