Senior iOS Engineer, Proton

• Experience in macOS Swift development
• Strong experience in software development
• Experience with creating macOS system extensions
• Experience with iOS app development
• Knowledge of macOS network stack and operations
• Knowledge of Git or other source control
• Knowledge of security best practices for desktop and mobile development on Apple platforms

Desirable

• The VPN team is focused on building the best and most trustworthy VPN in the world. We aim to provide the best user experience to millions of people around the world willing to take back their online privacy, while providing sophisticated technologies to bypass network restrictions in highly censored countries
• Internally our backend code is in general based on PHP/Symfony, our frontend is based on React, our mobile code is based on Kotlin (on Android) and on Swift (on iOS), with a growing shared codebase in Rust
• All our client-code is open-source and GPL3
• We are migrating our infrastructure to Kubernetes
• Everything runs on premise in Proton's data-centers
• To organize our work we use classic tools such as Jira and Confluence
• Proton is a mobile-first company, building an Internet that respects privacy and puts people (not advertisers) first
• The products you build will impact the lives of millions of users, so a strong emphasis on quality is required
• Our team combines deep mathematical and technical knowledge from the world's top research institutions with expertise in building easy to use user interfaces
• Together, we are building the encrypted communication technologies of the future
• At Proton, you'll get to work with industry standard tools and technologies - and help us define what great looks like for iOS engineers. You will work as part of an iOS team building features in all of Proton's products. This role requires close interactions with product and engineers across the company
• Our apps are 100% Swift. Our networking stack is built upon Alamofire, using a generic interface to easily de-serialise objects of a certain type
• Our testing stack comprises of unit tests for business logic, stubbed API tests for pseudo-integration tests, snapshot tests for UI, and XCUITest for testing user input and sequencing
• Take part in developing ProtonVPN’s Apple clients, on the iOS, macOS and tvOS platforms
• Be part of a team working to bring a more private internet to users of Apple's platforms
• Maintain and extend network extensions with new functionality, mastering the network stack to evade censorship and develop exciting new features that give users more control over their data
• Develop UI that seamlessly engages a wide range of users, from layperson to technical, and gives confidence that their online privacy is in good hands
• Invest in tooling that reflects the state of the art in building and testing software, to improve the team's productivity and software delivery cadence
• Work with your fellow developers in daily tasks to properly deliver large software projects: starting from basic principles, think critically on how to divide problems into iterations of simple, composable solutions. Re-evaluate the minimum scope as necessary to meet objectives on-time

• These vary by location and type of contract but expect support on your vacation, parental leave, refreshment if working from the office, learning and development opportunities, equity for shared success, flexible working hours and remote work, company events, and team-building activities.

Proton is a Geneva-based startup founded by former CERN worker and internet privacy advocate Andy Yen. It provides internet users with encrypted webmail, calendar, drive, and VPN services.