Lead IOS Engineer

Ruby Labs

3d•Remote

About The Position

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.

Requirements

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.
Comprehensive testing strategy ownership: unit, UI, snapshot, and contract testing with meaningful coverage goals.
Experience integrating AI-driven product features and championing AI-assisted development practices across a team.
Strong technical leadership, mentorship, stakeholder communication, and cross-functional collaboration skills.

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.