Amazon

Senior iOS Engineer, Twitch

Amazon • $193K — $261K *
San Francisco, CA 94112In-Person
Consumer Technology
5 - 7 years of experience
Today
Be an Early Applicant
Job Overview by Ladders

Qualifications

  • 6+ years of professional software development experience
  • 6+ years of programming experience with at least one language
  • 6+ years of experience in design or architecture of systems
  • Experience leading an engineering team or as a tech lead
  • 6+ years of professional iOS development experience
  • Strong proficiency with Swift and iOS architectural components
  • Track record of leading major architectural initiatives.

Responsibilities

  • Own and drive the technical strategy for foundational iOS components
  • Architect and build robust WebView infrastructure and bridges
  • Lead performance optimization efforts for platform components
  • Provide technical leadership and mentorship to iOS engineers
  • Drive cross-organizational architectural decisions
  • Collaborate with cross-functional teams on development standards for hybrid apps.

Benefits

  • Medical, Dental, Vision & Disability Insurance
  • 401(k)
  • Maternity & Parental Leave
  • Flexible PTO
  • Amazon Employee Discount
Full Job Description
If you are interested in this position, please apply on Twitch's Career site https://www.twitch.tv/jobs/en/

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

Perks

- Medical, Dental, Vision & Disability Insurance

- 401(k)

- Maternity & Parental Leave

- Flexible PTO

- Amazon Employee Discount

BASIC QUALIFICATIONS

- 6+ years of non-internship professional software development experience

- 6+ years of programming with at least one software programming language experience

- 6+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience

- Experience as a mentor, tech lead or leading an engineering team

- 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

PREFERRED QUALIFICATIONS

- 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

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.

USA, CA, Irvine - 168,100.00 - 227,400.00 USD annually

USA, CA, San Francisco - 193,300.00 - 261,500.00 USD annually

USA, NY, New York - 184,900.00 - 250,200.00 USD annually

USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

About Amazon

Audible is a provider of spoken audio information and entertainment , on the Internet. They provide premium spoken audio content, such as audio versions of books and newspapers and radio programs, that is delivered over the Internet and played back on personal computers and hand-held electronic devices. The Audible service allows consumers to purchase and download their content from their Website, store it in digital files and play it back on personal computers and electronic devices. More than 15,000 hours of audio content are available on their Web site, including audio versions of books, periodicals and radio programs. Several manufacturers have agreed to support and promote the playback of their content on their hand-held audio-enabled electronic devices.

Amazon Careers

Joining Amazon presents an unparalleled opportunity to become part of a vibrant team pushing the boundaries of innovation and growth in the global marketplace. As a leader in e-commerce, technology, and logistics, Amazon offers a variety of job opportunities that cater to a range of skills and professional interests. Work You’ll Do At Amazon, every day is an opportunity to collaborate with the brightest minds in technology and business to redefine what’s possible. Whether you’re interested in software development, marketing, human resources, or customer service, Amazon has a position waiting for you. Transform the way the world shops and innovates with our diverse and inclusive team. Amazon is not just a company; it’s a community where you can drive real change and contribute to projects impacting millions globally. Lead with Innovation and Leadership Amazon is the perfect place to enhance your leadership and innovation skills. Our culture encourages pushing the envelope and imagining the unimaginable. Here, you will lead projects that challenge the status quo and define new industry standards. Work with a team that values diversity and is committed to creating an inclusive environment. Our leadership is focused on harnessing the collective power of unique perspectives to foster growth and innovation. Explore Amazon’s Employment Benefits Amazon’s commitment to its employees extends beyond just career growth. We offer competitive benefits, including health care, parental leave, and diversity training, ensuring that our team not only excels professionally but also enjoys well-being and security. Internship and Networking Opportunities Start your career with an Amazon internship and gain hands-on experience that matters. Our internships provide a gateway to full-time employment and an opportunity to network with professionals across various sectors of the company. Future-Proof Your Career With Amazon, your career path is filled with numerous opportunities for advancement. Our learning and development programs are designed to nurture your professional growth and keep you at the forefront of industry trends. Stay Connected Join Our Team Discover the job opportunities at Amazon that match your skills and interests. We are constantly on the lookout for passionate, curious, and innovative team players ready to make a difference. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Job Alert Emails Customize your subscription to receive job alerts, the latest news, and insider tips tailored to your preferences. Explore the exciting and rewarding career opportunities that await at Amazon. Amazon is more than just a company—it’s a platform for building a promising future. Whether you’re starting or looking to advance your career, Amazon offers the resources, support, and network you need to succeed. Join us, and be a part of our continuing mission to be Earth's most customer-centric company.
Learn more about Amazon
Size
1,608 employees
Market Cap
$832.6 billion
Industry
Retail & Consumer Goods
Net Income
$21.3 billion
Founded
1994
5 Year Trend
+28.1%
Revenue
$386 billion
NASDAQ
AMZN
* Ladders Estimates

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