Lead Mobile Software Engineer

3 weeks ago

London, Greater London, United Kingdom ProtonMail Full time

At Proton, we envision a future where online privacy is a fundamental right. Our mission is to create a secure internet that empowers users to control their data. Founded in 2014 by scientists from CERN, Proton has grown to become a leader in privacy-focused technology, with products like Proton Mail, the world's largest encrypted email service, and other offerings such as Proton VPN, Proton Calendar, and Proton Drive.

With over 70 million accounts registered globally, our diverse team of more than 400 professionals from over 40 nationalities is dedicated to making privacy accessible to everyone. We operate from various locations, including Geneva, Zurich, Prague, London, and more, while also supporting remote work.

We are on a mission to redefine the mobile experience at Proton. We seek talented individuals who view engineering as a means to solve problems and create exceptional user experiences. This role offers the opportunity for complete ownership of projects, encouraging innovation and challenging the status quo.

Position Overview

As a Senior Cross-Platform Mobile Engineer, you will be instrumental in transforming our mobile architecture using Rust, Android/JetPack Compose, and Swift UI. Your role will involve taking full responsibility for the development process, ensuring that we deliver high-quality, scalable solutions that enhance user satisfaction across our Mail and Calendar platforms.

Key Responsibilities

  • Design and develop cross-platform mobile applications for both iOS and Android, utilizing a combination of native and cross-platform technologies.
  • Oversee the entire mobile application development lifecycle, from project scoping to delivery, prioritizing essential features and functionality.
  • Encourage a culture of innovation by exploring new technologies and methodologies in mobile development, tackling complex challenges with creativity.
  • Enhance mobile application performance, usability, and responsiveness across various devices and screen sizes.
  • Implement effective memory management, multithreading, and concurrency techniques to optimize application performance.
  • Architect solutions for scalability, taking into account data caching, network efficiency, and server load.
  • Maintain a user-focused approach throughout the development process, actively seeking feedback to refine and improve the user experience.

Ideal Candidate Profile

  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
  • Strong problem-solving abilities and a creative approach to overcoming technical challenges.
  • A commitment to continuous learning and adaptation in the fast-evolving mobile development landscape.
  • Excellent communication and interpersonal skills.
  • Demonstrated experience in developing mobile applications for iOS and Android using Swift, Kotlin, and cross-platform technologies.
  • Proficiency in SwiftUI for iOS and Jetpack Compose for Android, along with familiarity in Rust.
  • Deep understanding of mobile app architecture, design patterns, and industry best practices.
  • Knowledge of memory management strategies and performance optimization techniques.
  • Experience with multithreading and concurrency in mobile environments.
  • Awareness of scalability considerations in mobile application engineering.

Why Choose Proton?

  • Be part of a mission - Proton is more than a service; it represents a community-driven initiative advocating for online freedom. Our open-source services are backed by community contributions and audited for security.
  • Collaborate with experts - Our team is a diverse, collaborative group, including professionals from top academic institutions and organizations.
  • Join a reputable brand - Proton Mail has become synonymous with online security and privacy, recognized in various media.
  • Grow with us - As one of Europe's fastest-growing startups, we offer extensive career development opportunities and the chance to work alongside industry leaders.
  • Have your voice heard - We value your insights and encourage open dialogue. At Proton, every challenge is a collective responsibility.
  • Benefits - Our benefits vary by location and contract type, including vacation support, parental leave, learning opportunities, equity options, flexible hours, and team-building activities.

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