The Networking Technologies team at Apple is seeking a motivated Software Development Engineer focused on Network Stack Performance. This role is crucial in building foundational technologies that enable Apple products to communicate effectively. The position involves improving protocol efficiency, API development, and application performance across all Apple platforms. The ideal candidate will work in a fast-paced environment, collaborating with various teams to enhance networking technologies. Key responsibilities include performance optimization, troubleshooting, and tool development. The role offers comprehensive benefits including competitive base pay ($175,800-$312,200), stock options, and extensive healthcare coverage. This is an excellent opportunity for experienced engineers passionate about networking technologies and looking to make an impact on Apple's global product ecosystem. The position requires strong technical skills in networking protocols, software development, and system performance optimization, combined with excellent communication abilities and problem-solving skills.