Inabia Solutions and Consulting, Inc.

C++ Engineer

Posted Yesterday

Remote

Hiring Remotely in United States

Entry level

Remote

Hiring Remotely in United States

Entry level

Develop and maintain macOS systems software using modern C++, Swift, and Objective-C++. Work with process models, IPC, Endpoint Security, Network Extension, security and cryptography APIs, device and storage frameworks, packaging, deployment, and MDM tooling. Profile and debug performance using Instruments, LLDB, os_log, and os_signpost, while creating tests with XCTest, sanitizers, fuzzing, and xcodebuild CI. Support shared codebases across macOS, Windows, and Linux.

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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.

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