Senior iOS Engineer

Twitch; Seattle, San Francisco, New York, Irvine (WA, CA, NY, CA); On-site; USD 168,100 - 227,400; Full time

Benefits offered by this job

Medical, Dental, Vision & Disability Insurance

401(k)

Maternity & Parental Leave

Flexible PTO

Amazon Employee Discount

Job summary

Twitch is seeking an experienced iOS Developer to lead the technical strategy for foundational iOS components and video playback infrastructure. This role requires 6+ years of iOS development experience, along with strong proficiency in Swift and a talent for building consensus around technical decisions.

The ideal candidate will mentor engineers and influence architectural decisions within a fast-paced environment. Benefits include comprehensive insurance coverage, 401(k), and flexible PTO.

Qualifications

• 6+ years of professional iOS development experience.
• Strong proficiency with Swift and iOS architecture.
• Experience leading architectural initiatives and mentoring engineers.

Responsibilities

• Drive technical strategy for iOS components and video playback infrastructure.
• Architect and build WebView infrastructure for seamless integration.
• Lead performance optimization efforts for platform components.

Skills

iOS development experience

Proficiency in Swift

Video streaming technologies

Hybrid mobile architectures

Tools

AI-powered development tools

Job description

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.

About the Role

The Mobile Core team develops frameworks and tools that empower engineering teams across Twitch to build compelling mobile experiences. In this role, you will directly contribute to creating and refining core features, such as Video Playback, while architecting strategic solutions for internal developers. Twitch is evolving its mobile strategy from native-first to a hybrid approach that leverages React in WebViews alongside native iOS capabilities. You'll work on high-impact initiatives including our hybrid web-to-mobile platform, performance optimization at scale, automated testing infrastructure, and developer tooling that accelerates velocity across the organization.

You will report to the Senior Engineering Manager for Mobile Core iOS and can work from either our Seattle, Irvine, San Francisco or our New York City offices.

You Will

• Own and drive the technical strategy for foundational iOS components, native video playback infrastructure, and hybrid (React in WebView) frameworks
• Architect and build robust WebView infrastructure and bridges that enable seamless integration between React-based web content and native iOS functionality
• Lead performance optimization efforts for platform components used by millions of daily active users, establishing benchmarks and best practices
• Provide technical leadership and mentorship to iOS engineers across multiple product teams and within Mobile Core, including onboarding and growing L4/L5 engineers
• Drive cross-organizational architectural decisions that balance developer velocity, app performance, and maintainability, representing Mobile Core's technical perspective in org-wide discussions
• Collaborate with cross-functional teams to establish and maintain development standards for hybrid mobile applications, influencing adoption across the mobile engineering organization

You Have

• 6+ years of professional iOS development experience
• Strong proficiency with Swift and the iOS architectural components and ecosystem
• 6+ years of building and shipping production iOS applications to the Apple App Store
• A talent for building consensus around technical decisions and guiding the team along evolving architecture patterns
• Track record of leading major architectural initiatives, migrations, or platform-level projects
• Experience mentoring engineers and raising the technical bar across teams
• Experience leveraging AI-powered development tools (such as Claude Code, GitHub Copilot, Cursor, or similar) to accelerate development

Bonus Points

• Experience with hybrid mobile architectures, WebView integration, JavaScript bridges, React, or React Native
• Experience with video streaming or real-time communication technologies
• Experience working on platform or infrastructure teams that support multiple product teams

Perks

• Medical, Dental, Vision & Disability Insurance
• 401(k)
• Maternity & Parental Leave
• Flexible PTO
• Amazon Employee Discount

Compensation

• Seattle, WA – $168,100 – $227,400 USD (annually)
• San Francisco, CA – $193,300 – $261,500 USD (annually)
• New York, NY – $184,900 – $250,200 USD (annually)
• Irvine, CA – $168,100 – $227,400 USD (annually)

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

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

Job ID: TW9207