
Senior Software Engineer (iOS), SDK
Sentry's Mobile SDK team builds the next generation of developer tools, processing over a billion events every day. As a Senior iOS SDK Engineer you will own the iOS SDK and guide its development from core architecture to the final product experience, pioneering features like Session Replay and next-generation performance monitoring. You will work with Apple's latest innovations, including modern concurrency, SwiftUI and on-device AI (Foundation Models), and design robust, high-quality APIs built for massive scale. The role contributes full-time to a major open-source project.
Responsibilities
- ▹Own the iOS SDK and guide its development from core architecture to the final product experience
- ▹Pioneer new features such as Session Replay and next-generation performance monitoring
- ▹Master Apple's latest innovations, including modern concurrency and on-device AI
- ▹Design robust, high-quality APIs built to handle massive scale
- ▹Shape the overall vision for mobile at Sentry
- ▹Act as the go-to expert helping teams solve complex customer challenges
Requirements
- ▹5+ years of professional experience as a Software Engineer, with a strong focus on mobile platforms, ideally in SDK development and/or developer tooling
- ▹Deep experience developing for the iOS platform using Swift and Objective-C
- ▹A strong understanding of mobile architecture, patterns and best practices
- ▹Experience leveraging AI-powered development tools to enhance productivity and code quality
- ▹Excellent written and spoken English communication skills
- ▹Well-organized with a high level of attention to detail and accuracy
- ▹Living in the Vienna area or willing to relocate
Nice to have
- ▹Knowledge of the app monitoring and observability space
- ▹Familiarity with low-level programming (C/C++)
- ▹A track record of maintaining or contributing to open-source libraries
- ▹Experience with other mobile platforms or frameworks (Android + Kotlin/Java, React Native + JavaScript/TypeScript, Flutter + Dart)
Soft skills
What we offer
- ▹Minimum salary of EUR 60,844 gross per year by collective agreement (IT-KV); Sentry's starting point is EUR 99,000 gross per year
- ▹Eligibility for incentive compensation
- ▹Equity grants
- ▹Paid time off
- ▹Group health insurance coverage
About the company
Sentry helps developers fix errors and performance issues before users notice them; it is today's application monitoring standard, trusted by more than 200,000 organizations, and is an open-source company building an AI-native future.