Software Engineer, iOS

Menlo Park, California, US

WhatsApp is a fast, simple and reliable way to talk to anyone in the world. More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere. WhatsApp is not only free but also available on multiple mobile devices and in low connectivity areas — making it accessible and reliable wherever you are. It's a simple and secure way to share your favorite moments, send important information or catch up with a friend. WhatsApp helps people connect and share no matter where they are in the world.

Join a world-class engineering-driven company, where you'll have instant impact from day one. WhatsApp has an open culture and flat organization. Every engineer is literally sitting a few steps away from the founders. As a member of our engineering team you will tackle challenging issues of scale, reliability and security while delivering a delightful, simple user experience to a global user base. If you love writing code, hate tons of meetings, then come talk to us.

Responsibilities

  • Own the entire lifecycle of our next big feature, from design through implementation to launch
  • Build on top of the latest iOS technologies and frameworks to create awesome new features for millions of users
  • Analyze and optimize UI and backend application code for efficiency and performance
  • Work closely with customer support to fix bugs and improve the user experience

Minimum Qualification

  • B.S. in Computer Science or related field
  • 3+ years building complex applications for the iPhone using Objective-C/Swift with Apple iOS frameworks
  • Ability to work independently and implement product features from start to finish
  • Experience with multi-threaded programming using Grand Central Dispatch
  • Experience in these frameworks: UIKit, Core Data, Core Animation, AV Foundation
  • Working experience with TCP/IP sockets, networking and messaging protocols
  • Knowledge of iOS SDK performance tools and optimization techniques

Preferred Qualification

  • M.S. in Computer Science or equivalent experience