APPLE INC has the following available in Cupertino, California and various unanticipated locations throughout the USA. Developed and maintained software framework used for iOS / watchOS / macOS for telephony system service including CS, VoLTE, VoWifi, and SIP. Including writing unit tests to maintain system quality. Designed the critical paths of key VoLTE/ VoWifi features by adding new features to the Telephony IMS framework. Wrote extensible code to deal with the different architectures and models of devices using modern C++ programming language and test-driven approaches to write robust software. Communicated and collaborated closely with cross functional hardware and software teams to launch new features for iOS / watchOS / macOS devices. Showed strong ownership and leadership abilities to drive features to completion to be delivered on time with quality. 40 hours/week. 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 $172,931 - $214,500/yr and your base pay will depend on your skills, qualifications, experience, and location. PAY & BENEFITS: 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: https://www.apple.com/careers/us/benefits.html. Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.