Senior Software Engineer - SDK iOS

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

About The Role & TeamThe Developer Experience (DX) team at the company builds and maintains the foundations that power how developers integrate, extend, and trust the company across platforms. Our mission is to make the company’s SDKs reliable, easy to adopt, and a joy to build on, so customers can confidently instrument their products and unlock insights at scale.

We’re looking for a Senior Software Engineer, iOS to play a key technical leadership role on our DevEx team. In this role, you will lead the design and development of the company’s core iOS SDKs, including Analytics and Session Replay, and serve as the iOS platform expert that other SDK teams, such as Experiment, Guides, and Surveys rely on.

As a Senior Engineer, you’ll operate with a wide scope and high impact: setting technical direction for the iOS platform, driving cross-SDK architecture, improving performance and reliability, and raising the bar for developer experience across the company’s mobile ecosystem.

As a Senior Software Engineer, you will:

• 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 strong focus on performance, reliability, and ease of use.

• Act as the iOS platform expert and trusted partner for other SDK teams (Experiment, Guides & Surveys), enabling them to build on shared foundations safely and efficiently.

• 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.

You'll be a great addition to the team if you have:

• A strong focus on developer experience and empathy for the engineers who use your work.

• Expertise in iOS platform internals and best practices.

• Strong judgment in making tradeoffs between API design, performance, backward compatibility, and speed of delivery.

• Comfort working across team boundaries and influencing without direct authority.

• A high bar for code quality, testing, and long-term maintainability.

• The ability to explain complex technical topics clearly to both technical and non-technical partners.

At a minimum, you need to have:

• B.S., M.S., or Ph.D. in Computer Science or a related technical field, or equivalent practical experience.

• 4+ years of professional software engineering experience, with significant time spent on iOS development.

• Strong proficiency in Swift and Objective-C, with experience using modern iOS APIs, frameworks, and development tools.

• Experience designing public APIs with a strong focus on stability and backward compatibility.

• Experience debugging complex issues across a wide range of iOS devices and OS versions.

• Familiarity with performance profiling, memory management, and concurrency on iOS.

This role is eligible for equity, benefits and other forms of compensation.

Based on Colorado law, the following details are for individuals who will work for the company in Colorado. Colorado range: $165,000 - $247,000 total target cash (inclusive of bonus or commission)

Based on legislation in New York City, the following details are for individuals who will work for the company in New York City. New York City salary range: $183,000 - $276,000 total target cash (inclusive of bonus or commission)

Based on legislation in California, the following details are for individuals who will work for the company in San Francisco Bay Area of California. Salary range: $183,000 - $276,000 total target cash (inclusive of bonus or commission)

Based on legislation in California, the following details are for individuals who will work for the company in California outside of the San Francisco Bay Area. California salary range: $165,000 - $247,000 total target cash (inclusive of bonus or commission)

Based on legislation in Washington state, the following details are for individuals who will work for the company in Washington state. Washington salary range: $165,000 - $247,000 total target cash (inclusive of bonus or commission)

Based on legislation in Washington state, the following details are for individuals who will work for the company in Washington only: unlimited PTO, 10 to 13 holidays annually (will vary), medical dental and vision PPO and CDHP plans. Finally, a company sponsored 401(k) retirement plan.