JavaScriptCore Security Engineer jobs in United States
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Apple · 2 months ago

JavaScriptCore Security Engineer

positionCupertino, California, United States
timeFull-time
remoteOnsite
seniorityMid Level
money$147K/yr - $272K/yr

Apple is looking for a JavaScriptCore Security Engineer to help secure the JavaScriptCore virtual machine. The role involves improving security and stability across the engine, driving innovations in security architecture, and addressing unique security challenges.

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

Responsibilities

Work across all areas of the engine, focusing on improving security and stability
Drive new innovations in the security architecture of the codebase
Fix security issues and respond to fuzzing
Ensure that security processes in JavaScriptCore are updated to current best practices and set the project up for a secure future

Qualification

C++Security-sensitive softwareCompilersJavaScriptWebAssemblyMemory safetyDebuggingAssembly-level programmingFuzzingMemory allocatorsGarbage collectorsJust-in-time compilersWeb browsersParsersInterpretersCritical thinkingCommunication skills

Required

BS in computer science or equivalent
Experience programming in modern C++
Excellent debugging, critical thinking, and communication skills
Experience developing privacy and security-sensitive software
Experience with compilers, parsers, and interpreters
Experience with assembly-level programming

Preferred

Hands-on experience with VMs with just-in-time compilers (e.g. JavaScript engines and JVMs)
Experience with web browsers
Experience with memory allocators and garbage collectors
Experience with fuzzing, security architecture, and memory safety
Knowledge of JavaScript and WebAssembly

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
Public Company
Total Funding
$5.67B
Key Investors
Berkshire HathawayMicrosoftSequoia Capital
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M
2021-04-30Post Ipo Equity

Leadership Team

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Tim Cook
CEO
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Craig Federighi
SVP, Software Engineering

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