Job Description

The Mobile Performance & Reliability team is responsible for guiding Square’s mobile engineering organization to deliver highly performant and reliable experiences to our sellers, while also improving Square’s ability to observe apps in the wild and respond to issues proactively.

As a Principal iOS Software Engineer on the Mobile Performance & Reliability team, you would join the foundational team responsible for driving mobile application quality across all of Square. You would tackle challenges across our entire suite of apps and in some cases the entire iOS platform. You would work closely with the authors and maintainers of some of the most used open-source libraries in the iOS space. 

You will: 

Identify, scope, and lead complex, strategic projects with wide impact across the companyLead engineering designs with company-wide impact, ensuring these designs succeed in the long termDesign highly available and resilient systems which can operate no matter the network or device conditionsCollaborate with multiple stakeholders across the company including product, design, legal, support, and other engineering teamsProvide mentorship, expertise and design reviews for engineering teams across Square.Develop a strategic vision that influences the company’s overall engineering direction, decisions, and the prioritization of the projects on our roadmap