Senior iOS Engineer - SDK & Platform Lead

Amplitude; San Francisco (CA); On-site; USD 160,000 - 220,000; Full time

Job summary

Amplitude in San Francisco is seeking a Senior Software Engineer, iOS, to lead design and development of our core iOS SDKs (Analytics and Session Replay) and to serve as the iOS platform expert across SDK teams.

You will drive technical direction, improve performance and reliability, and raise the bar for developer experience by shaping APIs, tooling, tests, and sample apps, partnering with Product and Support to deliver customer value.

Qualifications

• BS/MS/PhD in Computer Science or related field, or equivalent practical experience.
• 4+ years of professional software engineering, with significant iOS development experience.
• Proficiency in Swift and Objective-C, with modern iOS APIs and tools.
• Experience designing public APIs with a focus on stability and backward compatibility.
• Experience debugging across many iOS devices/OS versions.
• Familiarity with performance profiling, memory management, and concurrency on iOS.

Responsibilities

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

Skills

Swift

Objective-C

iOS APIs

API Design

Performance

Concurrency

Testing

Code Quality

Education

BS/MS/PhD in CS

Tools

Xcode

Job description

Amplitude in San Francisco is seeking a Senior Software Engineer, iOS, to lead design and development of our core iOS SDKs (Analytics and Session Replay) and to serve as the iOS platform expert across SDK teams.

You will drive technical direction, improve performance and reliability, and raise the bar for developer experience by shaping APIs, tooling, tests, and sample apps, partnering with Product and Support to deliver customer value.