> Markdown version of [/jobs/ext/3479712-android-engineer](https://www.wearedevelopers.com/jobs/ext/3479712-android-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Android Engineer

- **Company:** Proton Mail
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Mobile Application Development, Software Design Patterns, Memory Management, Mobile Application Software, Multithreading, Concurrency, Kotlin, Information Technology, Jetpack Compose, Data Caching
- **Published:** September 8, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

Bachelor's degree in Computer Science, Engineering or related field (or equivalent work experience)
Excellent problem?solving skills and the ability to think outside the box to overcome challenges
Passion for continuous learning and driving change in the rapidly evolving field of mobile development
Excellent communication and interpersonal skills
Proven experience developing mobile applications for Android using Kotlin
Proficiency with Jetpack Compose for Android, and familiarity with Rust
Strong understanding of mobile app architecture, design patterns and best practices
Knowledge of memory management techniques and best practices
Experience with multithreading and concurrency in mobile applications
Good understanding of scalability considerations when it comes to engineering mobile applications
Previous experience working in a fast?paced, scale?up environment

## Description

Role Overview As a fullstack cross?platform Senior Android Engineer, you'll play a pivotal role in developing Proton Pass using Jetpack Compose and Rust.
You'll lead with an end?to?end ownership approach, ensuring timely delivery of high-quality, scalable solutions that will delight our customers.
Your ambition and enthusiasm will drive innovation and excellence both in Proton Pass and SimpleLogin products., Develop and maintain cross?platform mobile applications for Android using a blend of cross?platform (Rust) and native technologies (Kotlin)
Take end?to?end ownership of mobile application development projects: you'll be comfortable with scoping projects, walking back from deadlines and being able to discern the important from the superfluous
Foster a culture of innovation by exploring new technologies, methodologies and approaches to mobile development - we tackle complex engineering challenges with creativity and ingenuity
Optimise mobile applications for performance, usability and responsiveness across different devices and screen sizes
Master memory management, multithreading and concurrency mechanisms to enhance performance and responsiveness of mobile applications
Design for scalability, considering factors such as data caching, network bandwidth and server load
Prioritise customer satisfaction by maintaining a customer?centric mindset throughout the development process, continuously seeking feedback and iterating to improve the user experience, We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills.
If we no longer have a legitimate business need to process your information, we will either delete or anonymise it.
Should you have any inquiries about how we use or manage your information or if you wish to access, correct or delete your data, please contact our privacy team at ******.
#J-*****-Ljbffr
Inscribirse en esta oferta
Recibir ofertas similares por correo electrónico
Al crear una alerta, aceptas nuestros Términos y condiciones y Política de privacidad, y el uso de cookies.