IOS Tooling Engineer

At Lyft, our core purpose is to serve and connect, fostering a workplace where every team member belongs and has the opportunity to thrive.

Join our Mobile Tooling team, where we build foundational systems for Lyft's mobile engineers, enabling them to create stable, scalable, polished, and efficient mobile apps. We're passionate about developer experience, providing flexible tooling for rapid innovation.

Are you an enthusiastic engineer with a passion for crafting iOS productivity tools and robust infrastructure? Elevate your skills with our Mobile Tooling team, playing a crucial role in scaling development practices and iteration speed for hundreds of mobile engineers. We support apps with millions of lines of code, hundreds of modules, and industry-leading mobile build systems, keeping builds under 30 seconds locally and 15 minutes in CI.

We're proud of our apps, used by millions, reflected in excellent development practices and thoughtful code architecture designed for rapid releases. We focus on delightful user experiences, balancing our roadmap with a mix of developing new tools and infrastructure with refining existing ones based on direct feedback from our internal customers—other mobile engineers.

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Open source contributions:

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• Work within our Mobile Tooling team to create and maintain our mobile build and release infrastructure, building great tools for hundreds of mobile engineers to build, test, and release apps quickly, making their day-to-day joyful and productive.
• Manage projects from start to finish, ensuring cross-functional alignment and buy-in. Exhibit project management capabilities, overcoming obstacles, and gaining necessary stakeholder support. Inform the Lyft Mobile community of any changes to the systems you oversee.
• Dive into and contribute to the source code of existing tools and the open-source technologies we build on, keeping up-to-date with iOS and industry developments.
• Explore, prototype, and implement prospective tools for scaling our infrastructure such as diving deep into Bazel remote execution or investigating new platform capabilities.
• Build out mobile specific AI agent workflows to enhance developer productivity, improve migration efficiency, and drive alignment across the codebase.
• Maintain and update Xcode, iOS versions, and third-party libraries dependencies.
• Write high-quality, well-tested, readable, and maintainable code.
• Identify, triage, debug, and resolve issues and bugs across various applications and tools.
• Share your knowledge by giving brown bags, tech talks, and promoting. appropriate tech and engineering best practices, and participate in code reviews to provide feedback to ensure best practices.

• Minimum 3+ years of software engineering industry experience
• Experience in one or more of the following: supporting large iOS or MacOS builds (
  Bonus: Bazel), building command-line tools using python or bash, or maintaining a high performance CI pipeline.
• Knowledge of Swift and Bonus: SwiftUI
• Understanding of native mobile testing practices (unit, snapshot, and UI)
• Worked on and shipped iOS applications
• Great product sense; you care about usability and good design of your tools
• Ability to work with a low-ego, highly collaborative, and cross-functional team
• Bonus: Experience pursuing side projects or open-source projects
• Bonus: Experience with AI, agentic programming, and AI tools (such as Cursor) that enhance developer experience and productivity.