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Cyberhaven

Senior Software Engineer, MacOS Endpoint

Cyberhaven

. Design and implement components of our state-of-the-art system sensor that traces all data movement across all applications and files on macOS endpoints .

Posted 4/6/2026full-timeRemote • 🇷🇴 RomaniaSeniorWebsite

Tech Stack

Tools & technologies
MacOSSwift

About the role

Key responsibilities & impact
  • Design and implement components of our state-of-the-art system sensor that traces all data movement across all applications and files on macOS endpoints
  • Solve challenging performance optimization problems: we’re building software that monitors hundreds of thousands of events with minimal impact on performance of the endpoint applications
  • Design and build highly reliable code that never impacts the end-user experience
  • Build secure-by-design hardened software that must withstand real-world attacks, while processing untrusted data and communicating with a backend over the internet

Requirements

What you’ll need
  • Strong track record in working with Swift on macOS.
  • Experience of building system extensions using Endpoint security framework and Network extensions
  • Prior work on at least one large native application deployed to tens of thousands of end-users
  • Experience debugging, profiling, and optimizing the performance of low-level system software using Instruments
  • Experience building endpoint security products, such as DLP or EDR applications.
  • Proficient in designing and implementing application architecture
  • Experience with agile development and SCRUM
  • Proven ability to collaborate with a distributed cross-functional team
  • Possess verbal and written communication skills in English
  • Availability to frequently communicate with a distributed engineering team in Central European and US Eastern time zones
  • Located in the following locations: Bucharest or Cluj, Romania, Bangalore, India, US

Benefits

Comp & perks
  • Cyberhaven is committed to creating a diverse environment and is an equal opportunity employer.

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Hard Skills & Tools
SwiftmacOSEndpoint security frameworkNetwork extensionsDebuggingProfilingPerformance optimizationApplication architectureDLP applicationsEDR applications
Soft Skills
CollaborationCommunicationProblem-solvingTeamworkAdaptability