Senior macOS C++ Engineer – x360Sync Desktop Agent

Zofiq Inc.; Washington (District of Columbia); On-site; USD 150,000 - 190,000; Full time

Job summary

ConnectWise is seeking a Senior Software Engineer to own the macOS agent of the x360Sync product. You will contribute primarily in C++, with Swift/Objective-C for native components, and navigate a mature codebase from day one.

Expect collaboration with product, QA, and other engineers to deliver robust, scalable desktop synchronization software. You’ll debug complex, multi-threaded, or multi-process architectures, participate in design discussions, and help shape engineering standards while

Qualifications

• Solid professional experience writing C++ in a production environment.
• Strong working knowledge of macOS internals, frameworks, and platform APIs (e.g. NSFileProvider, FSEvents)
• Proficiency in Swift and/or Objective-C for macOS-native development
• Experience debugging complex, multi-threaded, or multi-process applications
• Experience with software development workflows, including version control (Git), code review, and CI/CD pipelines
• Experience with file sync, backup, or storage-related products
• Familiarity with Windows desktop development is a plus
• Exposure to cross-platform C++ codebases targeting both macOS and Windows
• Experience working in an Agile/Scrum team environment
• Background in developer tooling, performance profiling, or low-level system programming on macOS

Responsibilities

• Design, implement, and maintain features in the x360Sync macOS agent, working primarily in C++ with Swift and Objective-C for platform-native integrations
• Debug and resolve production issues, including deep-dive investigation across the application stack and macOS system APIs
• Participate in architecture and design discussions, contributing technical recommendations grounded in macOS platform best practices
• Write clean, well-tested code and take part in code reviews — both giving and receiving constructive feedback
• Collaborate with product managers, QA engineers, and cross-functional teams to deliver features on schedule without cutting corners on quality
• Contribute to improving engineering standards, internal tooling, and development processes
• Help scope and break down complex problems into well-defined tasks for yourself and the broader team
• Document technical decisions, system behavior, and processes clearly for teammates and future contributors

Skills

C++ or C++17/20

Linux

Linux System Programming

Multithreading

IPC or XPC

Socket Programming

macOS

Objective-C or Objective-C++

Data Loss Prevention

Endpoint Security

Job description

ConnectWise is seeking a Senior Software Engineer to own the macOS agent of the x360Sync product. You will contribute primarily in C++, with Swift/Objective-C for native components, and navigate a mature codebase from day one.

Expect collaboration with product, QA, and other engineers to deliver robust, scalable desktop synchronization software. You’ll debug complex, multi-threaded, or multi-process architectures, participate in design discussions, and help shape engineering standards while