Software Engineer, Applied Networking Security

Software Engineer, Applied Networking Security San Diego, California, United States Software and Services Summary Posted: Dec 03, 2025 Role Number: 200634642-3543 The Applied Networking team builds core infrastructure for device-to-device communication on Apple devices, including both messaging and realtime communications. The team's frameworks are behind sharing, collaboration, messaging, and secure connectivity, providing API surfaces that power Apple products such as iMessage, FaceTime, HomeKit, SharePlay, Apple Watch, AirDrop, and more. We're looking for an exceptional software engineer with expertise in security to join us in building the most secure, private, reliable, and performant communications and networking protocols behind many of our customers' most loved Apple features. This developer will play a crucial role in safeguarding our users by designing, implementing, maintaining, and hardening security features that protect our users and preserve privacy. Our goal is to develop technologies and craft experiences that revolutionize the way people communicate with each other. If this opportunity sounds exciting to you, please apply! Description As a developer in this position, you will: Build innovative networking and communications features that are secure by design Design and implement communication protocols leveraging encryption, including both messaging and realtime media Improve the security of especially sensitive codepaths (for example, zero-click parsing of untrusted data) Be responsible for static analysis of source code, fuzzing, testing strategies, and down-to-earth security bug fixing Work mostly in Swift and Objective-C, designing delightful APIs and implementing frameworks and daemons that make up the operating system Participate in code reviews with a focus on identifying and mitigating security vulnerabilities At Apple, user privacy and security are paramount. You will play a substantial role in advancing these features for hundreds of millions of users across the many products and services we make. Minimum Qualifications Bachelors Degree or higher in Computer Science, Computer Engineering, Mechanical Engineering, Electrical Engineering, or equivalent experience Strong software development and architecture design skills with a focus on secure system design and communication protocols Strong object-oriented and multi-threaded programming skills in at least one language like Swift, Objective-C, or C++ Excellent attention to detail and communication, collaboration, interpersonal skills Preferred Qualifications Understanding of secure coding practices, security protocols, and encryption techniques Experience in finding and correcting bugs with security implications Familiarity with peer-to-peer or client-server architecture and network protocols Experience building applications using end-to-end encryption and/or media and realtime communication encryption Pay & Benefits At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $139,500 and $258,100, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits. Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Salary : $139,500 - $258,100