Senior iOS Platform Engineer

Boston, Massachusetts, United StatesOnsiteFull TimeSenior$131,000–$197,000 /yrPosted 1 month agoVisa sponsorship available

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Role summary

We are seeking a Senior iOS Platform Engineer to lead the technical direction and future of iOS development at Compass. You will be responsible for architecting, scaling, and maintaining core iOS platform capabilities, including build systems, test infrastructure, and API frameworks, to empower over 40+ iOS engineers. This role requires deep iOS platform expertise, strategic thinking, and a passion for improving developer experience through modern practices and tooling. You will drive modernization initiatives, optimize build systems, and own the iOS testing strategy, acting as the primary technical leader and mentor for the iOS engineering organization.

The Client Infrastructure team provides the foundational platform, tooling, and infrastructure that empowers our iOS engineering teams to build, deploy, and ship features with confidence, speed, and quality
As a Senior Software Engineer on the iOS Platform sub-team, you will be the technical leader shaping the future of iOS development at Compass, fostering a culture of technical excellence and developer empowerment across 40+ iOS engineers
You are a pragmatic visionary who can “poke holes” in complex iOS architectures to prevent future technical debt, simplify sprawling build systems, and deliver scalable, resilient platform solutions that save thousands of engineering hours
Beyond execution, you serve as the iOS technical leader and mentor, guiding talented iOS engineers while driving impactful, high-complexity platform projects
You lead by example - innovating, teaching, and shaping the future of iOS engineering at Compass
This role requires deep iOS platform expertise combined with strategic thinking about how to force-multiply an entire iOS organization through excellent platform infrastructure
Drive the technical roadmap for iOS platform infrastructure, championing best-in-class developer experience and modern iOS development practices across 40+ iOS engineers
Architect, scale, and maintain iOS platform core capabilities including build systems , test infrastructure, API frameworks, and shared libraries to meet the quality and performance needs of all iOS product teams
Own iOS testing strategy and infrastructure that empowers teams to maintain strong testing standards through intelligent automation, AI-enhanced testing tools, and quality gates that enforce best practices
Lead iOS platform modernization initiatives including Swift 6 migration strategy, adoption of Kotlin Multi Platform, and technical debt reduction while championing coding standards and architectural patterns
Optimize iOS build system infrastructure (Bazel) serving 40+ engineers through build time reduction, caching strategies, and developer productivity tools that guide engineers along the “golden path”
Establish and refine standards for iOS app performance, reliability, and monitoring (crash-free rates, launch times, runtime performance) while partnering with observability teams on iOS-specific infrastructure
Design and maintain high-quality internal iOS tools, CLIs, and APIs that improve developer productivity and operational efficiency through automation and intelligent tooling
Mentor iOS engineers on platform engineering best practices, collaborate with Android and Web platform teams on cross-platform opportunities, and partner with stakeholders to proactively identify platform needs
High-impact role: Your work directly enables 40+ iOS engineers and shapes iOS development for the entire company
Technical leadership: Be THE iOS platform technical leader, driving strategy and architecture
Innovation opportunity: Lead cutting-edge initiatives like AI-powered testing, Swift 6 migration, and adoption of Kotlin Multi Platform
Collaborative environment: Work with talented iOS, Android, and Web engineers on cross-platform platform challenges, including integrating Kotlin Multiplatform (KMP) for shared modules
Modern tech stack: Work with latest iOS technologies, modern build systems, and AI-enhanced development tools- Deep expertise in iOS testing frameworks and automation (XCTest, UI Testing, snapshot testing, test orchestration)
Expert-level Swift proficiency and deep understanding of iOS SDK, frameworks, and platform evolution
Strong experience with iOS build systems - Bazel strongly preferred; deep understanding of build optimization, dependency management, and modularization
Demonstrated ability to influence technical decision-making and lead complex, multi-quarter platform initiatives
Track record of modernizing legacy iOS systems and successfully deprecating redundant infrastructure
7+ years of professional iOS software development experience with significant focus on platform engineering, infrastructure, or tooling
BS in Computer Science, Software Engineering, or equivalent professional experience
Proven ability to design and build complex iOS platform systems that serve multiple teams and scale across an organization
Experience owning iOS platform infrastructure at scale (build systems, test frameworks, CI/CD pipelines, shared libraries) serving multiple teams
Experience with using cross platform development frameworks such as Kotlin Multi-Platform, React Native, and/or Flutter in a scaled environment
Deep knowledge of Bazel for iOS development, including BUILD file architecture, caching strategies, and remote execution
Expertise with modern iOS architecture patterns (SwiftUI, Combine, async/await, Swift Concurrency) and performance optimization tools (Instruments, Xcode diagnostics)
Track record of driving outsized impact on engineering culture, developer experience, and organizational velocity through platform thinking
Ability to manage internal iOS platform as a product, treating iOS engineers as customers and building tools/frameworks successfully adopted by multiple teams

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