Proton AG based in London is looking for a Senior Engineer to contribute to privacy-first products such as Proton Mail and Proton Drive. The role involves collaboration across teams to develop high-quality experiences on Apple platforms, with a strong emphasis on usability and performance.

We're seeking candidates with extensive iOS application development experience, a passion for product quality, and the ability to mentor fellow engineers. Proton offers strong employee benefits, flexible working hours, and opportunities for personal development.