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Principal iOS Software Engineer at Lookout
Remote / Canada

Lookout is an integrated endpoint-to-cloud cybersecurity company. Our mission is to secure and empower our digital future in a privacy-focused world where mobility and cloud are essential to all we do for work and play. With 100 million mobile sensors fueling a dataset of virtually all the mobile code in the world, the Lookout Security Cloud can identify connections that would otherwise go unseen -- predicting and stopping mobile attacks before they do harm. We enable consumers and employees to protect their data, and to securely stay connected without violating their privacy and trust. Lookout is trusted by millions of consumers, the largest enterprises and government agencies, and partners such as AT&T, Verizon, Vodafone, Microsoft, Google, and Apple. Headquartered in San Francisco, Lookout has offices in Amsterdam, Boston, London, Sydney, Tokyo, Toronto and Washington, D.C.

As part of Lookout’s engineering team, you will have an opportunity to take on some of the most interesting challenges in one or more core areas of intellectual property and fundamental building blocks that form Lookout’s category-defining Personal and Enterprise products. In order to tackle these challenging problems, you must be open-minded to explore new  areas as well as evolve key existing systems, such as high scale cloud systems, mobile platforms(iOS/Android) development, detection engines, analysis systems cloud backend microservices, front-end/UI, Data Engineering, Machine Learning, Threat research and CI/CD. If you enjoy building cutting edge products leveraging the latest technologies, tools and development methodologies, and want to make an immediate impact through your work, come check us out.


  • Drive technical leadership for Lookout iOS apps for consumer and enterprise
  • Design, architect, and develop new features
  • Interact regularly with product management, designers, security researchers, and backend teams. 
  • Participate in regular design and code reviews
  • Coach junior developers


  • BS or MS in Computer Science or related field and around 10 - 12 years of industry experience
  • Proven track record of building complex iOS applications in programming languages like Swift, Obj-C, C/C++ etc
  • Experience with iOS core
  • Exceptional architecture, coding & design skills
  • Ability to break complex problems down into smaller components that are loosely coupled and testable
  • Discipline for testing and automation - unit, functional, integration, etc.
  • Stellar communication skills; able to work well with a multinational, smart, passionate and growing team which is spread across multiple time zones

Bonus Points:

  • Experience in building any of the following - Mobile platforms/SDKs, Security, Networking, MDMs, Secure Containers (MAM), VPNs, Proxies etc
  • Experience publishing an app to the App Store
  • Experience with socket programming using TCP/IP or a network stack (like Wifi, Bluetooth or IOT)
  • Full stack development experience