This job posting is for a mobile software engineer with iOS and Android experience to work for an established mobile publishing company based in London. The company has around 20 employees, 80% of which are technical staff. As the mobile developer, responsibilities include developing, implementing, and maintaining new features for iOS, Android, and Windows mobile apps. The ideal candidate has at least 8 years of experience in mobile app development using languages like Java or C/C++ and experience mentoring other developers.