Description If you are interested in this position, please apply on Twitch's Career site https://www.twitch.tv/jobs/en/ About Us: Twitch is the world’s biggest live streaming service, with global communities built around gaming, entertainment, music, sports, cooking, and more. It is where thousands of communities come together for whatever, every day. We’re about community, inside and out. You’ll find coworkers who are eager to team up, collaborate, and smash (or elegantly solve) problems together. We’re on a quest to empower live communities, so if this sounds good to you, see what we’re up to on LinkedIn and X, and discover the projects we’re solving on our Blog. Be sure to explore our Interviewing Guide to learn how to ace our interview process. About the Role Mobile Core is the metaphorical engine of Mobile at Twitch. We are the backbone of every feature and every release going out to our beloved customers. Our team owns the underlying infrastructure within the apps, the infrastructure building the apps, and the core features like video playback. Every mobile team at Twitch depends on what we build and how we build it. As an iOS Engineer on Mobile Core, you will focus on developer velocity, highly performant user experiences and insisting on the highest standards for app quality and performance. You will identify and lead complex projects with large scale influence and collaborate with engineers and partners across the company. You will report to the Senior Engineering Manager for Mobile Core iOS and work remotely or from either our Seattle, Los Angeles, or our New York City offices. You Will - Build delightful frameworks, drive their adoption amongst internal developers and measure their impact - Champion prioritization of projects alongside your engineering leadership and product managers - Insist on the highest standards for mobile development at Twitch by defining best practices and policies - Identify opportunities across the mobile development stack to boost developer productivity and happiness - Mentor and cultivate the growth of the engineers around you Perks - Medical, Dental, Vision & Disability Insurance - 401(k) - Maternity & Parental Leave - Flexible PTO - Amazon Employee Discount Basic Qualifications - 3+ years of non-internship professional software development experience - 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience - Experience programming with at least one software programming language - BA/BS in Computer Science or equivalent industry experience - 3+ years of industry iOS development experience using Swift - Experience communicating complicated technical problems to both technical and business audiences - Experience working with iOS specific development tools, such as XCode, SwiftUI, CocoaPods, Firebase, or Swift Package Manager - Experience leading large scale engineering projects with multiple stakeholders Preferred Qualifications - Experience with AWS Cloud Development Kit, CloudFormation, or Terraform or equivalent technologies - Experience with other object oriented programming languages, such as C#, C++ or Python - Fluency in some subset of UI design, data modeling, algorithms, and database schema design - Experience mentoring and growing engineers - Familiarity with Twitch, either as a viewer or creator (or both!) We are an equal opportunity employer and value diversity at Twitch. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, veteran status, or disability status, or other legally protected status. Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $129,300/year in our lowest geographic market up to $223,600/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit https://www.aboutamazon.com/workplace/employee-benefits. This position will remain posted until filled. Applicants should apply via our internal or external career site.