About

Marius Popescu is an experienced Software Engineer with a strong background in iOS development. He has a proven track record of delivering high-quality mobile applications and building scalable systems. Currently, Marius works at Facebook as a Software Engineer, where he is responsible for developing and maintaining iOS applications. Marius has previously worked at Twitter, where he gained extensive experience in iOS development and worked on a variety of projects. He was part of the revenue client team and built promoted experiences in the Twitter iOS app. Marius also re-architected and built the foundation of in-stream video ads in the Twitter for iOS app. He shipped iOS ad display optimization through A/B testing that brought incremental revenue of $50M+ and designed and implemented a scalable video measurements reporting system for ads at Twitter. Marius also led different efforts, such as Live Video Docking, and shipped the Twitter Live Video product on iOS. Marius holds a MEng in Computer Science from The University of Manchester. During his time at the university, he gained a strong foundation in computer science and developed skills in Objective-C, Swift, PHP, and Java. Marius is a skilled engineer and has a deep understanding of mobile development. He is always eager to learn and stay up-to-date with the latest technologies and trends. Marius is proficient in a variety of technologies and has a strong tech stack that includes Software Engineering, iOS, Objective-C, PHP, Mobile, Test, Java, and Swift. With over 7.87 years of relevant experience, Marius is a valuable asset to any team. He is a hard-working individual who is passionate about delivering high-quality software and building scalable systems.