Lyft's Mobile Tooling team needs to build foundational systems for Lyft's mobile engineers to create stable, scalable, polished, and efficient mobile apps, focusing on developer experience and providing flexible tooling for rapid innovation. The goal is to scale development practices and iteration speed for hundreds of mobile engineers supporting apps with millions of lines of code and industry-leading mobile build systems, keeping builds under 30 seconds locally and 15 minutes in CI.
Requirements
- Experience of Bazel based-projects or supporting large iOS or MacOS builds
- Experience in building command-line tools using python or bash
- Experience maintaining a high performance CI pipeline
- Worked on and shipped large scale iOS applications
- Strong knowledge of Swift and Bonus: SwiftUI
- Deep understanding of native mobile testing practices (unit, snapshot, and UI)
- Bonus: Experience with AI, agentic programming, and AI tools (such as Cursor) that enhance developer experience and productivity.
Responsibilities
- Work within our Mobile Tooling team and across the Lyft Mobile development community 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.
- 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. Analyze our systems and processes to identify areas for improvement and automation.
- 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.
Other
- Manage projects from start to finish, ensuring cross-functional alignment and buy-in. Exhibit strong project management capabilities, overcoming obstacles, and gaining necessary stakeholder support. Inform the Lyft Mobile community of any changes to the systems you oversee.
- 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
- 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
