C++ Engineer
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 18h ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
First seen 3d ago
No source stated a posting date, so this is when the listing first reached us — which is a floor, not the real age. Last seen at its source 4h ago.
We have tracked this listing since 29 Oct 2026 (3 days). The employer's own board has carried it every time we have read it, most recently 4 hours ago.
Is it remote?
Remote
That is the location the employer filed this posting under. Quoted as written — we do not re-word the source's own location.
Who may apply?
Not stated
The description states no restriction of its own. This is the source's own tag.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
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JazzHR employer's own board first seen 3d ago · last seen 4h ago
The listing
Required
· Languages: modern C++ (C++17/20) and Swift 6 (async/await, actors, strict concurrency checking). Also Objective-C++ to bridge Swift, C++ and C APIs.
· macOS systems programming: Foundation and CoreFoundation, GCD and pthreads, POSIX/BSD APIs, Mach IPC, launchd daemons and agents, and XPC (C API and NSXPCConnection).
· Performance, debugging and test:
o Profiling CPU and memory with Instruments and os_signpost.
o Debugging with LLDB, crash logs and os_log.
o XCTest, sanitizers, fuzzing, and xcodebuild-based CI.
o Apple Silicon and Intel.
· Experience with codebases shared across Mac, Windows and Linux.
Core skills (one or more of the areas listed below)
· Process model and IPC: launchd daemons and agents, and XPC (C API and NSXPCConnection).
· Endpoint Security and System Extensions: Endpoint Security clients handling both blocking (AUTH) events and notification events, user/MDM approval, upgrades.
· Network Extension: content filters, both flow-level (NEFilterDataProvider) and packet-level (NEFilterPacketProvider), and Network.framework.
· Security and crypto: Verifying code signatures (SecCode / SecStaticCode) and validating certificates (SecTrust), Keychain, Entitlements, hardened runtime, and macOS privacy permissions.
· Devices and storage: IOKit (hardware and device enumeration) and DiskArbitration (disk and volume events).
· Packaging and deployment: installers, notarization, and MDM configuration profiles deployed through Jamf, Intune or similar tools.
· Performance, debugging and test: Profiling CPU and memory with Instruments and os_signpost, Debugging with LLDB, crash logs and os_log, XCTest, sanitizers, fuzzing, and xcodebuild-based CI.
Nice to have
· UI: SwiftUI and AppKit apps and app extensions.
· Testing against macOS and Xcode betas before public release.
· Experience shipping EDR/AV, network security or device-management products.