Software Development Engineer, Siri Runtime Systems and Interaction
Apple
Software Engineering
Cupertino, CA, USA
USD 147,400-272,100 / year + Equity
Posted on Apr 29, 2026
Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s ideas stronger. That happens because every one of us shares a belief that we can make something wonderful and share it with the world, changing lives for the better. It’s the diversity of our people and their thinking that inspires the innovation that runs through everything we do. When we bring everybody in, we can do the best work of our lives. The Siri Software Group is looking for a highly motivated Systems Software Engineer to help build delightful Siri experiences supercharged with Apple Intelligence. You will be working with the team that has created the best-in-class intelligent voice assistant that helps millions of people get things done. You enjoy problem solving and are passionate about building high-quality software that enables a wowing customer experience.
In this role, you will be at the forefront of designing, building and integrating the next generation of Siri that is responsive, deterministic and low-latency. You will focus on new features, system integration to optimize performance for low-latency interaction as well as exceptional battery life, and help develop intelligent experiences into people’s daily lives. This is a highly cross functional role requires collaborating with with engineers across software, hardware and silicon to create these experiences that leverage the latest advancements in Large Language Models (LLMs), on-device execution and distributed execution.
- Design, develop and maintain the robust on-device runtime for Siri.
- Implement scalable, maintainable, and highly testable code, ensuring best practices in engineering.
- Contributing to architecture decisions, design reviews and peer code reviews.
- Debug, optimize, and profile system performance to ensure high-quality, responsive interactions.
- Leverage GenAI-based tooling to enhance engineering productivity, code quality, and efficiency at scale.
- Strong programming skills in either of C++, Swift or ObjectiveC.
- Strong problem solving skills and comfortable dealing with ambiguity
- Excellent communication and presentation skills.
- Bachelors in Computer Science/related disciplines.
- Experience with Swift/C++/ObjectiveC for building and designing production quality software.
- Experience with developing and optimizing algorithms that run efficiently on resource constrained platforms
- Experience with API design or framework development
- Experience with systems and kernel programming
- Exposure to tools and workflows related to debugging, memory profiling, performance optimization
- Masters or PhD degree
Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.