iOS Engineer

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., * 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

• 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, * 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

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

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

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits., School Select… Degree Select… Discipline Select… Start date month Select… Start date year End date month Select… End date year __________________

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This includes support (such as J-1, F-1 CPT letter or STEM OPT Training Plan), visa sponsorship for employment (H-1B, H-1B1, E-3, O-1, or TN), and any EAD holders that will need longer term employment authorization (temporary work visa or permanent residency Have you held H-1B status, or had an H-1B petition approved on your behalf, within the preceding 6 years for an employer other than a cap exempt institution? * Select… In which country/region do you have citizenship?* Select… Since obtaining your most recent citizenship, did you afterwards become a permanent resident in any other country/region? This does not include temporary statuses such as student visas or time-limited work permits.* Select… For the sole purpose of determining export licensing requirements, please provide your country of citizenship or legal permanent residence, whichever was obtained last. * Select… What is your expected total base pay compensation for your next role. Please do not disclose current or past compensation. Would you like to be considered for future opportunities at Twitch when you apply?* Select…, As set forth in Twitch’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. Gender Select… Are you Hispanic/Latino? Select… Race & Ethnicity Definitions

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A “disabled veteran” is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

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