Ios Engineer Jobs in San Francisco, USA

If you are interested in this position, please apply on Twitch's Career site https://www.twitch.tv/jobs/en/<br/><br/>About Us:<br/><br/>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.<br/>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.<br/><br/>About the Role<br/><br/>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. <br/><br/>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.<br/><br/>You Will<br/>- Own and drive the technical strategy for foundational iOS components, native video playback infrastructure, and hybrid (React in WebView) frameworks<br/>- Architect and build robust WebView infrastructure and bridges that enable seamless integration between React-based web content and native iOS functionality<br/>- Lead performance optimization efforts for platform components used by millions of daily active users, establishing benchmarks and best practices<br/>- Provide technical leadership and mentorship to iOS engineers across multiple product teams and within Mobile Core, including onboarding and growing L4/L5 engineers<br/>- Drive cross-organizational architectural decisions that balance developer velocity, app performance, and maintainability, representing Mobile Core's technical perspective in org-wide discussions<br/>- Collaborate with cross-functional teams to establish and maintain development standards for hybrid mobile applications, influencing adoption across the mobile engineering organization<br/><br/>Perks<br/>- Medical, Dental, Vision & Disability Insurance<br/>- 401(k)<br/>- Maternity & Parental Leave<br/>- Flexible PTO<br/>- Amazon Employee Discount<br/>

&lt;h3&gt;About Life360&lt;/h3&gt; &lt;p&gt;Life360’s mission is to keep people close to the ones they love. Our category-leading mobile app,Tile tracking devices, and Pet GPS tracker empower members to protect the people, pets, and things they care about most with a range of services, including location sharing, safe driver reports, and crash detection with emergency dispatch. Life360 serves approximately 97.8 million monthly active users (MAU), as of March 31, 2026, across more than 180 countries.&amp;nbsp;&lt;/p&gt; &lt;p&gt;Life360 delivers peace of mind and enhances everyday family life with seamless coordination for all the moments that matter, big and small. By continuing to innovate and deliver for our customers, we have become a household name and the must-have mobile-based membership for families (and those friends who are basically family).&lt;/p&gt; &lt;p&gt;Life360 has more than 500 (and growing!) remote-first employees. For more information, please visit &lt;a href=&quot;http://life360.com/&quot;&gt;life360.com&lt;/a&gt;.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;&lt;em&gt;Life360 is a Remote First company, which means a remote work environment will be the primary experience for all employees. All positions, unless otherwise specified, can be performed remotely (within the US and Canada) regardless of any specified location above.&amp;nbsp;&lt;/em&gt;&lt;/strong&gt;&lt;/p&gt; &lt;h4&gt;We are AI Native&lt;/h4&gt; &lt;p&gt;We are building an AI native company where AI is an integral part of how we build and operate. AI tool usage during interviews varies by role. You may be asked to demonstrate proficiency with AI tools, discuss how you leverage AI, or complete interview exercises without AI assistance. Your Recruiter will provide clear guidance as you move through the interview process.&lt;/p&gt; &lt;p&gt;Undisclosed use of AI not previously discussed with or approved by your Recruiter may impact your candidacy.&lt;/p&gt; &lt;h3&gt;About The Team&lt;/h3&gt; &lt;p&gt;The AI Lab is a small, founder-led team operating like a zero-to-one startup inside Life360, building the company’s next chapter. Our mission is to transform Life360 from the app you open to find your family into an intelligent operating system families rely on daily. We design and build an AI-powered layer on top of our family graph, leveraging our core location technologies and global 100 million-user base to proactively surface what matters across location, schedules, and everyday life.&lt;/p&gt; &lt;h3&gt;About the Job&lt;/h3&gt; &lt;p&gt;This role is hard to title because the lines between engineering, design, and product blur fast when you are building the way we are building. The closest description is design-oriented builder. You have a strong aesthetic sense and real opinions about how a product should feel. You can take a loose idea and make it tangible before anyone has finished writing the spec. You understand the value of a polished user experience in the context of

iOS Engineer, Ad Formats at Openai. Apply via Ashby.

iOS Engineer, Applied Foundations at Openai. Apply via Ashby.

iOS Engineer, ChatGPT Mobile Infrastructure at Openai. Apply via Ashby.

Senior iOS Engineer at Legend xyz. Apply via Ashby.

iOS Engineer at Speak. Apply via Ashby.

iOS Engineer at Agi inc. Apply via Ashby.

Rylo is a powerful camera that captures everything around you and creates exceptionally smooth, beautiful video that's easy to share. Developed by a team of former Instagram and Apple engineers, Rylo’s breakthrough stabilization software and smartphone app eliminate the traditional pain points of shooting, editing, and sharing videos. With Rylo, you don’t have to worry about framing your shot or holding the camera steady to capture a video you’re proud to share — simply hit record and make the perfect video after-the-fact. See Rylo in action We are looking for someone that has strong experience developing user interfaces for using the iOS SDK. You will need to be a problem-solver, exceptionally organized, a self-starter and detail oriented. If you are interested in joining a small team of talented people who are passionate about solving challenges to improve photography and videography, we look forward to hearing from you soon!

iOS Engineer at Airapps. Apply via Ashby.