Lead IOS Engineer
Ruby LabsAbout us
Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/
About the role
As a Lead iOS Engineer, you will own the technical direction of our iOS platform, set engineering standards, and mentor a team of engineers while remaining hands-on with the codebase. You will drive architecture decisions, ensure scalability and performance, and partner with product and cross-functional leadership to shape the mobile roadmap.
Key Responsibilities
Define and own the technical vision, architecture, and long-term roadmap for the iOS platform.
Lead, mentor, and grow a team of iOS engineers; set coding standards and review practices.
Make high-impact architectural decisions and drive modularization/scalability across the codebase.
Own CI/CD strategy, release management, and deployment reliability.
Partner with product and design leadership to translate business goals into technical execution.
Establish observability, performance budgets, and quality gates.
Remain hands-on: contribute to critical features and complex problem-solving.
Qualifications
8+ years of iOS development experience, including 2+ years in a lead or tech-lead capacity.
Proven track record shipping and scaling B2C subscription-based apps at significant user volume.
Deep expertise in Swift, Swift Concurrency, and advanced language features; ability to set idiomatic standards across a team.
Mastery of StoreKit 2, subscription monetization architecture, entitlement/receipt validation at scale, paywall experimentation, and pricing/offer strategy.
Strong architectural leadership: large-scale modular architectures, dependency management (SPM), design systems, and cross-team API contracts.
Experience owning CI/CD at scale (Xcode Cloud, Fastlane, GitHub Actions/Bitrise), automated release trains, phased rollouts, and code-signing automation.
Deep performance engineering: app startup, memory optimization, rendering pipeline, and Instruments-driven diagnosis.
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