Job Details

Sr Software Engineer- Time Synchronization

Boulder, Colorado, United States

Software and Services

Summary

Posted: May 16, 2025

Role Number: 200605119

Imagine what you could do at Apple! Everyday new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Do you bring passion and dedication to your job? If so, we are looking for individuals like you. The Audio and Media Technologies Group (AMT) is at the center of audio, video and graphics support in Apple’s innovative products, including the AirPods, HomePod, Mac, iPhone, iPad, Apple Watch, Apple TV.

The team is seeking an expert software engineer responsible for the development of time synchronization related drivers, frameworks and applications for the Mac, iOS, tvOS and visionOS hardware platforms. You will work hand-in-hand with the Audio Design & Engineering Team, innovating in small groups with high initiative. We're looking for a strong background in driver development, network protocols, and low level debugging.

Description

We are looking for a senior engineer with strong programming skills to work on upcoming Apple products. In this role, you will be responsible for the design and development of drivers, APIs and network protocols for new hardware and software releases at Apple. This role is perfect for someone who enjoys engaging at all layers of the software stack, from low level kernel drivers written in C++, to higher level APIs and frameworks written in Objective C or Swift. It is an opportunity to make significant contributions to the core technologies that underpin many audio/video features at Apple such as AirPlay, Continuity Camera, and future projects. Some of the day to day responsibilities include:

• Design, develop and debug network drivers, protocols and APIs for distributed systems

• Analyze and improve performance of clock synchronization across Apple devices

• Participate in monitoring industry standards bodies and new specification development

• Participate in medium and large scale software engineering processes

• Create and maintain engineering documents

Minimum Qualifications

• 5 + years of experience in software development, debugging and testing

• Experience with kernel level programming, device drivers and/or real-time systems software

• Experience with designing, implementing and analyzing performance of network protocols

• Excellent programming skills with knowledge of C, C++, and Objective-C or Swift

• Excellent written and verbal communication skills

• BS in Computer Science or Engineering (or equivalent experience)

Preferred Qualifications

• Experience with wireless MAC layers, IEEE 802.11 standards and network performance

• Experience with IOKit, DriverKit or userspace driver development is a plus

• Experience in the audio or networking industries developing drivers or systems is a plus

• Understanding of UDP, IPv6, ARP/NDP, Bonjour, and IEEE 1588 / Precision Time Protocol is a plus

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 $128,300 and $237,500, 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. (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.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) .

Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation.

Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) .

Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more .

Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines applicable in your area.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.