Sr Software Engineer- Time Synchronization jobs in United States
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Apple · 7 hours ago

Sr Software Engineer- Time Synchronization

positionBoulder, Colorado, United States
timeFull-time
remoteOnsite
senioritySenior Level
money$132K/yr - $245K/yr
date5+ years exp

Apple is a leading technology company known for its innovative products and services. The team is seeking an expert software engineer responsible for the development of time synchronization related drivers, frameworks, and applications for various Apple hardware platforms. In this role, you will engage in designing and developing drivers, APIs, and network protocols, contributing significantly to core technologies that enhance audio and video features.

AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
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Comp. & Benefits
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H1B Sponsor Likelynote

Responsibilities

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

Qualification

Driver developmentNetwork protocolsC/C++ programmingObjective-CSwiftKernel level programmingReal-time systemsEngineering documentationCommunicationTeam collaboration

Required

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

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

Benefits

Comprehensive medical and dental coverage
Retirement benefits
A range of discounted products and free services
Reimbursement for certain educational expenses — including tuition
Discretionary bonuses or commission payments
Relocation

Company

Apple

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Apple is a technology company that designs, manufactures, and markets consumer electronics, personal computers, and software.
dateFounded in 1976
location
Cupertino, California, USA
people-size10001+ employees
web-link
https://www.apple.com

H1B Sponsorship

Apple has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6998)
2024 (3766)
2023 (3939)
2022 (4822)
2021 (4060)
2020 (3656)

Funding

Current Stage
Late Stage
Total Funding
$5.67B
Key Investors
Berkshire HathawayMicrosoftSequoia Capital
2026-01-10Pre Seed· $1M
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M

Leadership Team

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Tim Cook
CEO
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Craig Federighi
SVP, Software Engineering

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