Senior iOS SDK Engineer (Swift)

TL;DR

Senior iOS SDK Engineer (Swift): Designing, building, and maintaining an open-source Swift SDK for Apple platforms with an accent on performance monitoring, telemetry capture, hang detection, and crash reporting. Focus on building high-performance instrumentation libraries, solving difficult edge cases, and designing reliable APIs for other developers.

Location: Remote (U.S. or Canada). Travel for team off-sites and collaboration is expected approximately once per quarter.

Salary: $130,000–$170,000

Company

hirify.global is a user-focused observability solution built on OpenTelemetry, delivering crucial insights across DevOps, web and mobile teams to illuminate real customer impact.

What you will do

• Design, build, and maintain a modular Swift SDK used by developers across Apple platforms.
• Work on crash reporting, hang detection, performance monitoring, and telemetry instrumentation.
• Build reliable mechanisms for offline storage, batching, retries, and data delivery under mobile runtime constraints.
• Contribute to SDK architecture, API ergonomics, and backward compatibility.
• Debug complex issues across devices, OS versions, and app environments.
• Coordinate with cross-platform SDK teams to ensure native SDK changes do not introduce downstream breaking issues.

Requirements

• Strong proficiency in Swift, including async/await, structured concurrency, and protocol-oriented design.
• Experience building or maintaining SDKs, frameworks, or developer-facing libraries.
• Deep understanding of Apple platform runtime constraints: memory, threading, lifecycle, startup performance.
• Experience debugging issues in production mobile environments.
• Familiarity with API design, versioning, and SDK evolution.
• Strong advocate for testing, reliability, and code quality.

Nice to have

• Experience with Objective-C interoperability, runtime behavior, or method swizzling.
• Experience with Swift macros or Swift Syntax.
• Familiarity with OpenTelemetry or observability concepts.
• Experience supporting multiple Apple platforms from a shared codebase.
• Contributions to open-source projects.

Culture & Benefits

• Remote-first company with regular in-person connection (travel expected once per quarter for off-sites).
• Offers equity in the form of options and a variety of benefits.
• Opportunity to grow in an exciting and collaborative environment.
• Values cultural improvement as individuals, team members, and a company daily.
• Works in an environment where AI-assisted tools are increasingly part of engineering workflows.

Hiring process

• Interview process includes live, synchronous conversations.
• Final stages may include an in-person meeting with a team member, which may require travel.