iOS Tooling Engineer

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. Lyft is looking for a Design Systems Manager to join Design Foundations, the infrastructure layer of Lyft's design organization. Design Systems at Lyft is an integral part of the overall user experience. Our design system spans product surfaces, marketing, and brand, officially known as the Lyft Product Language (LPL) and shipped directly to code. You'll own the craft and execution of that system, partner closely with design, engineering, and marketing, and lead Design systems work through a period of active global growth and capability expansion. This role reports to the Director of Design Foundations and works alongside a dedicated DPM and Engineering managers, and a tight-knit team of design systems practitioners. RESPONSIBILITIES: Strategy & Vision * Set the strategy and roadmap for Lyft Product Language (LPL) across product, marketing, and brand surfaces, in partnership with the Director of Design Foundations and engineering leadership and the Design Systems team * Lead the AI transformation of the system: integrate AI into LPL tooling, adoption workflows, and the day-to-day designer experience at Lyft * Represent Design Systems in reviews and other senior leadership forums People & Craft * Manage and develop a team of design systems designers and illustrators working across iOS, Android, web, and brand * Hold the quality bar for system-wide design: cross-platform coherence, accessibility (WCAG), road safety, localization, and brand consistency. * Coach the team on making educated tradeoffs between flexibility, coherency, usability, and efficiency Execution & Partnership * Partner closely with the Design Systems DPM and engineering managers to maintain system health, sequence work, and unblock teams * Own the LPL component contribution and review process end-to-end, from intake through release * Communicate system decisions, adoption expectations, and quality standards upward and across product, engineering, and marketing EXPERIENCE: * 7+ years in product or brand design, including 2+ years managing designers * Direct experience leading a design system at scale: components, patterns, guidelines, and shipped-to-code workflows * Fluency across mobile and web platforms, with a working understanding of how systems are consumed by engineers * Experience managing a design systems team * Strong track record of partnership with engineering on architecture, releases, and quality * Experience setting and defending craft standards across cross-functional stakeholders * Familiarity with AI-assisted design tooling (Figma MCP, generative workflows, agentic prototyping) is a strong plus * Excellent written communication; comfortable operating in an async-heavy environment with documented decisions * Comfortable driving disagree-and-commit decisions and making tradeoffs in ambiguity BENEFITS: * Extended health and dental coverage options, along with life insurance and disability benefits * Mental health benefits * Family building benefits * Child care and pet benefits * Access to a Lyft funded Health Care Savings Account * RRSP plan with company match to help save for your future * In addition to provincial observed holidays, salaried team members are covered under Lyft's flexible paid time off policy. The policy allows team members to take off as much time as they need (with manager approval). Hourly team members get 15 days paid time off, with an additional day for each year of service  * Lyft is proud to support new parents with 18 weeks of paid time off, designed as a top-up plan to complement provincial programs. Biological, adoptive, and foster parents are all eligible. * Subsidized commuter benefits and Lyft ride credits   Lyft is committed to creating an inclusive workforce that fosters belonging. Lyft believes that every person has a right to equal employment opportunities without discrimination because of race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, disability, pardoned record of offences, or any other basis protected by applicable law or by Company policy. Lyft also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.  Accommodation for persons with disabilities will be provided upon request in accordance with applicable law during the application and hiring process. Please contact your recruiter if you wish to make such a request. Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule — Team Members will be expected to work in the office at least 3 days per week, including on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. Additionally, hybrid roles have the flexibility to work from anywhere for up to 4 weeks per year. #Hybrid The expected base pay range for this position in the Toronto area is CAD $172,000 - CAD $215,000, not inclusive of potential equity offering, bonus or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process. Lyft may use artificial intelligence to screen applicants, however, Lyft employees make the ultimate selection and hiring decisions. This job fills an existing vacancy.

WHO WE ARE ABOUT STRIPE Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone's reach while doing the most important work of your career. ABOUT THE TEAM We're a mobile engineering team based in Barcelona, focused on building world-class mobile applications that deliver excellent user experiences for Stripe merchants. React Native is at the core of how we build—it lets us move fast, share code across platforms, and ship high-quality experiences to millions of businesses worldwide without compromise. As a Senior Mobile Engineer on our team, you'll help shape our React Native architecture, set the bar for engineering quality, and play a meaningful role in defining what great mobile development looks like at Stripe. This is a high-impact role where your decisions will be felt across the product—and across the millions of merchants who depend on our apps every day. WHAT YOU'LL DO As a Senior Mobile Engineer, you'll own significant parts of our React Native codebase, lead architectural decisions, and help grow the team around you. You'll work closely with product, design, and cross-functional partners to deliver polished, performant mobile experiences. RESPONSIBILITIES * Spearhead the design and development of critical product features, partnering with cross-functional teams to transform complex requirements into seamless, high-performance mobile experiences * Champion the integration of AI and cutting-edge development tools to drive efficiency, elevate code standards, and cultivate a culture of AI-assisted engineering * Own architectural decisions for the mobile layer—including navigation, state management, native module integration, and performance strategy * Drive code quality through thorough code reviews, clear standards, and a strong testing culture * Mentor and support junior and mid-level engineers, helping them grow technically and professionally * Proactively identify and resolve performance bottlenecks across the JS thread, native bridge, and render pipeline, while scaling our mobile CI/CD infrastructure, release processes, and engineering tooling * Act as the primary mobile platform liaison for internal teams, effectively translating requirements into well-scoped mobile initiatives while upholding rigorous standards for code quality and architectural integrity WHO YOU ARE We're looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement. MINIMUM REQUIREMENTS * 5+ years of professional mobile development experience, with a strong focus on React Native * Strong proficiency in TypeScript and modern JavaScript * Solid understanding of mobile app architecture and design patterns (e.g., Flux, Redux, MobX, or similar) * Proven expertise in React Native, encompassing component architecture, performance tuning, and a demonstrated ability to ship and maintain high-quality production applications at scale * Excellent problem-solving skills and ability to communicate complex technical concepts clearly PREFERRED QUALIFICATIONS * * Experience with Expo (managed or bare workflow) * Experience designing and maintaining mobile CI/CD pipelines (e.g., Fastlane, GitHub Actions, Bitrise) * Experience building or contributing to mobile SDKs or shared component libraries * Experience with backend development (REST APIs and GraphQL) * Contributions to open-source React Native libraries or the broader JS and mobile ecosystem * Experience mentoring engineers and contributing to a team's engineering culture * Familiarity with native iOS (Swift, UIKit) or Android (Kotlin, Android SDK) development * Experience working in a remote-first or distributed engineering environment