Software Development Engineer - Systems

APPLE INC has the following available in Cupertino, California and various unanticipated locations throughout the USA. Design, develop, debug and support location software with a focus on multi-sensor Global Navigation Satellite System and radio navigation technology to estimate user location on mobile device in order to support both Apple and third party applications. Collaborate to qualify performance and support commercialization on multiple hardware families. Design and implement data structures, threading models, business logic, and system architectures in support of location services to enable location estimation and location features on mobile devices. Optimize performance, robustness and scalability of new and existing services. Develop software tools including automated regression tests and performance reports and systems to support development and testing of new location software. Craft the next generation of location-aware mobile experiences to help users track workouts, navigate to their destination, support third party apps that use location, and enable experiences that take advantage of knowledge of the user's location. 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 $182,820 - $272,100/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.

Bachelor's degree or foreign equivalent in Information Technology, Computer Engineering, Electronics Engineering, Computer Science or related field and 5 years of progressive and post baccalaureate experience in the job offered or related occupation.
5 years of experience in each of the following skills is required:

Utilizing C++ programming, object-oriented programming in architecting and writing software
Global Navigation Satellite Systems (GNSS), including experience using GNSS measurements to estimate location.
Debugging algorithms; interpreting test results; and improving location accuracy and the user experience.
Positioning Engine, including experience processing raw GNSS measurements to estimate device location.
Using Python for regression, replay and report generation.
Kalman Filters, including understanding algorithm mathematical concepts, implementing programming language, and turning using real-world data.
Statistical data analysis, including experience interpreting test results, and evaluating software and hardware performance expectations.
Inertial navigation systems to estimate device location and orientation.
Software development cycles and writing production-level software.
Developing software for mobile devices.
GNSS integration with a modem and Measurement Engine.

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