Senior Software Engineer - iOS

<p>At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive.</p> <p>Our Client Infrastructure team is dedicated to building software that addresses challenges at a large scale, ensuring that our mobile applications are stable, scalable, and efficient.</p> <p>As a Mobile Engineer on the Mobile Foundations team, you will create and maintain foundational systems that all Lyft mobile engineers rely on, enabling teams across Lyft to deliver rich experiences that connect people and places. You will build scalable infrastructure, helping developers move fast and innovate, while ensuring Lyft's mobile developer experience remains at the forefront. Your work will have a multiplicative effect across Engineering and contribute directly to Lyft's overall stability.</p> <p>Our apps are used by millions of people, and we take great pride in our work, which means adhering to excellent development practices, careful code architecture, and an organization built around rapid releases. Our codebase is written entirely in Swift, utilizing modern design patterns and coding standards. We rely on third-party libraries and actively contribute back to the community, including the Swift language itself.</p> <h2><strong>Who are you:</strong></h2> <ul> <li>You are an enthusiastic and experienced mobile developer looking to use your engineering skills to improve developers’ ability to ship new features quickly.</li> <li>You get excited about new Swift features and compile improvements.</li> <li>You find delight in building the foundations and frameworks to accelerate the development of others, hiding away the complexities of the system.</li> <li>You are a diplomat who looks at the landscape and aligns engineers from different teams around a common pattern.</li> <li>You are excited about scaling millions of lines of Swift code to hundreds of mobile developers.</li> <li>You take initiative to identify and improve processes and solve problems proactively.</li> <li>You take pride in writing clean, maintainable, and scalable code with well-designed APIs, prioritizing clear design principles for reliability.</li> <li>You are passionate about collaborating with other teams and helping / supporting other iOS engineers.</li> </ul> <h2><strong>Responsibilities:</strong></h2> <ul> <li>Develop and maintain reliable mobile infrastructure, including networking, architecture, and UI frameworks (<a href="https://design.lyft.com/building-a-design-system-library-3a1f0d09088f">Lyft Product Language</a> and DeclarativeUI library), to enable Lyft iOS engineers to deliver high-quality mobile experiences.</li> <li>Collaborate with cross-functional partners (designers, Android engineers, Web engineers, and other Mobile Infrastructure teams) to strategically define the future of mobile UI and architecture, ensuring an innovative mobile developer experience at Lyft.</li> <li>Support iOS engineers from across the organization as they use the tools we build and leverage these interactions to improve our roadmaps and offerings.</li> <li>Bring new ideas to the table that aim to ease developer friction and keep our codebase joyful to develop in while continuously improving the codebase through refactoring.</li> <li>Stay current with iOS development and contribute to open-source projects like the Mobile Native Foundation and Hammer.</li> </ul> <h2><strong>Experience:</strong></h2> <ul> <li>Code Quality: Experienced in delivering high-quality code.</li> <li>Experience working with designers and on internal developer productivity teams or projects.</li> <li>Strong experience with Swift.</li> <li>Experience with UIKit, declarative UI development and creating shared components.</li> <li>Familiarity with current design and prototyping tools (Figma, etc).</li> <li>Ability to work with a low-ego, highly collaborative, cross-functional team.</li> <li>Excited about working in a fast-pac