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 Expert when it comes to iOS development;
• Previous experience building products from scratch, and proven ability of turning product requirements into concrete engineering plans;
• Possess general networking knowledge with detailed experience in iOS networking stacks;
• Possess technical depth that allows you to negotiate expectations around technical limitations, bring designs to life, and rapidly fix bugs and solve problems;
• Experience with building high quality, scalable and reusable code consumed by other engineers;
• Advocate of user-centric product development and understands the balance required when shipping impact software at scale, while considering trade-offs and collaboration;
• Track record as a leader in the areas of their domain, driving large-scale operational changes across an organization;
• Track record of staff-level+ contributions on multiple projects;
• Track record of coordinating implementation of high impact projects across many teams, delivering projects with reliable deadlines and milestones over multiple quarters;
• Experience creating scalable impact by one or more of the following: Up-leveling peers, supporting peers in their technical proposals, or supporting their technical designs;
• Prior leadership experience as technical lead/architect;
• Demonstrated ability to assist other teams with diagnosing or root-causing their incidents.

Preferred Qualifications:

• Strong eye towards design and usability;
• Passionate about experimentation and understanding user behavior and needs;
• Proactive external code contributor on public forms.

We are committed to an inclusive and diverse Twitter. Twitter is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any other status or characteristic protected by, state, or local laws.

San Francisco applicants: Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Twitter provides reasonable accommodations during the recruitment and hiring process upon request. Information received relating to accommodations will be addressed confidentially. To request an accommodation, please contact [email protected].

All your information will be kept confidential according to EEO guidelines.