Staff iOS Engineer (Future Opportunities)

Please note: This job posting is not for immediate hire but rather an opportunity to submit an application for future consideration. Twitter promotes and protects the public conversation. Twitter is the town square of the internet. At Twitter, we work with one goal in mind: to improve Twitter for our customers, partners, and the people who use it across the world. Brand safety is only possible when human safety is the top priority – This mindset is what drives us forward. Responsibilities: Responsible for setting technical direction and shaping our engineering culture; Responsible for establishing best practices and defining effective partnerships; Work with cross-functional partners in Engineering, Product Management, Design and Research across Twitter to plan, implement, and validate solutions to user problems while pushing the Twitter for iOS experience towards the future; Work at all layers of the iOS stack; Proactively identify improvements to our product’s UX/UI and our codebase to enable us to stay ahead of the curve of the constantly evolving iOS development ecosystem; Enable effective collaboration, high velocity execution and technical excellence within the team; Lead by example in terms of best engineering practices including writing engineering architecture/design documents, checking in, reviewing maintainable and extensible code with high-quality tests and documentation; Provide technical mentorship and coaching to our technical leads. Basic Qualifications: 7+ years of prior experience developing mobile applications on iOS with Objective-C and/or Swift; Knowledge of core CS concepts such as data structures and algorithms, profiling, and optimization; Familiar with iOS SDK frameworks, in areas such as networking, data persistence, logging and performance tooling; Familiar with standard software engineering methodology such as unit testing, code reviews, design documentation; Strong understanding of iOS design guidelines; Considered a Subject Matter Exper