Notability
Senior iOS Engineer
$160K–$250K
San Francisco +1 · Senior · Full-time · Posted Aug 7, 2026
- Location
- San Francisco
San Francisco, California, United States - Experience
- 6+ years of iOS graphics programming experience.
About the job
Develop and optimize iOS graphics systems for Notability’s learning app, including a rich-content canvas and GPU-accelerated experiences.
What you'll do
- Design, code, test, debug, and modernize graphics systems for soft real-time performance.
- Use the GPU to improve 2D graphics performance and build canvas experiences with ink, images, PDFs, text, and animation.
- Collaborate across engineering, design, and product; review code, mentor teammates, and communicate progress and risks.
What they ask for
- 6+ years of experience with iOS graphics programming, including Core Graphics or MetalKit.
- Experience using the GPU to solve 2D graphics problems.
- Experience with resolution-independent graphics primitives and related mathematical concepts.
- Strong computer science fundamentals and problem-solving skills; excellent communication and collaboration skills.
Nice to have
- Experience with Bezier curves.
- Experience with CRDTs.
Pay
$160k-$250k USD base salary
Tools
iOS, Core Graphics, MetalKit, GPU, Bezier curves, CRDTs
Model-written summary · the original posting is authoritative