Senior iOS SDK Lead - Developer Experience & Performance

United States Digital Space LLC; San Francisco (CA); On-site; USD 183,000 - 276,000; Full time

Job summary

United States Digital Space LLC is seeking a Senior Software Engineer, iOS to lead the design and development of our core iOS SDKs, including Analytics and Session Replay, and to serve as the iOS platform expert across DX teams.

You will set technical direction, drive cross-SDK architecture, and raise the bar for developer experience across our mobile ecosystem, partnering with Product and Customer Support to deliver reliable, scalable SDKs for customers.

Qualifications

• BS, MS, or PhD in CS or related field, or equivalent practical experience.
• 4+ years of professional software engineering experience with a focus on iOS development.
• Strong proficiency in Swift and Objective-C with modern iOS APIs.
• Experience designing public APIs with emphasis on stability and backward compatibility.
• Experience debugging across a wide range of iOS devices and OS versions.
• Familiarity with performance profiling, memory management, and concurrency on iOS.

Responsibilities

• Lead the technical direction, architecture, and long-term evolution of the company’s iOS SDK platform.
• Own and drive development of core iOS SDKs, including Analytics and Session Replay, with a focus on performance, reliability, and ease of use.
• Act as the iOS platform expert and trusted partner for other SDK teams (Experiment, Guides & Surveys).
• Design and evolve shared infrastructure, APIs, and abstractions that scale across multiple iOS SDKs.
• Collaborate closely with Product, and Customer Support to ensure SDKs meet real customer needs.
• Lead cross-team technical discussions, reviews, and architectural decisions that span multiple SDKs.
• Improve developer experience through better APIs, documentation, tooling, testing strategies, and sample apps.

Skills

Swift

Objective-C

iOS APIs

Performance profiling

Memory management

Education

B.S./M.S./Ph.D. in Computer Science

Tools

Xcode

Instruments

Job description

United States Digital Space LLC is seeking a Senior Software Engineer, iOS to lead the design and development of our core iOS SDKs, including Analytics and Session Replay, and to serve as the iOS platform expert across DX teams.

You will set technical direction, drive cross-SDK architecture, and raise the bar for developer experience across our mobile ecosystem, partnering with Product and Customer Support to deliver reliable, scalable SDKs for customers.