Senior Android Developer (Drive)

London Join Proton and build a better internet where privacy is the default At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive and Proton Pass. These tools empower individuals and organisations to take control of their personal data, break away from Big Tech’s invasive practices and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations. Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, coming from the world's top companies and universities. We value intelligence, learning potential and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You'll have the opportunity to work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions. We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of.Check ouropen-sourceprojectshere! Role overview As a fullstack cross-platform Senior Android Engineer, you'll play a pivotal role in developing Proton Inbox using Jetpack Compose and Rust. Youll lead with an end-to-end ownership approach, ensuring timely delivery of high-quality, scalable solutions that will delight our customers. Key responsibilities

• 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 concurrencymechanisms to enhance performance and responsiveness of mobileapplications
• 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

The ideal candidate will bring

• 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 toengineering mobile applications
• Previousexperience working in a fast-paced, scale-up environment

Even if you dont meet all the requirements listed above but feel you could still be a great fit, please do apply. What we offer

• Technology:we provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals
• Learning & Development:we are committed to your professional growth  Proton offers various learning opportunities, including training programs, conferences/events and continual learning
• Employee Benefits:comprehensive health insurance plans, competitive retirement savings options, generous vacation/leave policies and wellness programs
• Stock Options:at Proton,we are all owners of the companyand you get stock options when you join us
• In-Person Collaboration: collaboration is easierand more effectivein person; we have officesin Geneva,Zurich ,Prague ,Barcelona ,Paris ,London ,Vilnius ,Skopjeand Taipeiyou can enjoy working from homefor up to30%ofthe time while enjoying great company culture during our three core daysin the office
• Food: lunchand snacksare providedbyProton every dayat our offices
• Transport: we'll always support our employeeswith transport costs through subsidising public transport,bike allowances or parking spaces based on your office location
• Flexible Working: you can define your own working hoursas longas it workswith team meetings
• Work that Matters: Protonisacommunity-first organisation startedwith crowdfunding support; its only sourceof revenueis user subscriptions: over100 million people trustProton; users/community are put firstin everything

Our commitment to diversityand inclusionAt Protonwebelieve diversity drives innovation & strengthensour missionfor privacyas defaultforall.We foster an inclusive environmentwhereall individuals regardlessof race/ethnicity/gender/age/sexual orientation/physical ability/socio-economic backgroundfeel valued & empowered.We create equal opportunities & promote open dialogue & continuous learning so every voiceis heard & respected.If you need extra support or reasonable adjustments during hiring process please let your talent partner know. Candidate privacy notice When you apply or refer or are considered for roles at Proton Technologies AG (Proton),your infois storedin Greenhouse per its Service Privacy Policy usedfor evaluating suitability & future roles consideration.If no longer needed info will be deleted or anonymised.Contact privacy team at careers@proton.chfor inquiries or data access/correction/deletion requests. Proton does not accept unsolicited CVs except directly from candidates; no fees paid for unsolicited offers even if candidate hired. To learn more about our privacy policy visit our privacy policy page.

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