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MacOS Development Engineer

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About InstaSafe

InstaSafe is Asia’s leading Zero Trust cybersecurity company, empowering enterprises to securely connect users to applications and data across hybrid and cloud environments. Our Zero Trust Network Access (ZTNA) , Identity & Access Management (IAM) , and Multi-Factor Authentication (MFA) products secure over 500,000 endpoints globally.

We are seeking a MacOS Engineer to design and develop security-focused macOS client applications — specifically the InstaSafe Mac Agent and ZTNA Mac Agent — that extend enterprise-grade security and access control to Apple endpoints.


Role Overview

The MacOS Engineer will design, develop, and maintain system-level macOS applications that integrate with security APIs, system extensions, and authentication workflows . You will work closely with the Zero Trust platform teams to ensure seamless integration of macOS clients with backend controllers and gateways.

This is a highly technical role requiring expertise in Swift/Objective-C , macOS APIs , Keychain & security frameworks , and low-level system extensions .



Duties & Responsibilities

  • Agent Development
    : Build and maintain InstaSafe’s
    macOS security agents
    that provide endpoint access control, authentication, and secure communication with the Zero Trust backend.

  • System Integration
    : Leverage
    macOS APIs
    ,
    system extensions
    , and
    launch daemons
    to implement advanced security features.

  • Security Features
    : Implement secure credential storage using
    Keychain Services
    and integrate with enterprise
    OAuth2-based authentication
    workflows.

  • Communication Layer
    : Develop and consume
    REST APIs
    to interact with controllers and gateways.

  • Performance & Reliability
    : Optimize agents for reliability, security, and minimal system footprint.

  • Cross-Platform Collaboration
    : Work closely with Windows/Linux/macOS endpoint teams to ensure consistency across clients.

  • Debugging & Troubleshooting
    : Use advanced debugging and logging for system-level issues.

  • Continuous Improvement
    : Stay updated on Apple’s latest frameworks, SDK updates, and macOS security enhancements.



Requirements

Qualifications & Skills


Education & Experience:
  • Bachelor’s/Master’s degree in Computer Science, Engineering, or related field.

  • Minimum
    3–5 years’ hands-on experience
    in macOS application or system-level development.


Core Technical Skills:

  • Swift
    &
    Objective-C

  • macOS SDK & APIs

  • System Extensions
    &
    Launch Daemons

  • Keychain Services
    for secure credential handling

  • Shell Scripting (Bash/Zsh)

  • REST APIs
    & JSON


Preferred/Good-to-Have:
  • Experience with
    macOS System Integrity Protection (SIP)
    and
    hardened runtime
    .

  • Knowledge of
    networking concepts
    (TLS/SSL, VPN/ZTNA clients).

  • Familiarity with
    OWASP Mobile/Desktop Security best practices
    .

  • Exposure to
    CI/CD pipelines for macOS apps
    (Fastlane, Jenkins).


Benefits

Career Value Proposition

  • Build
    enterprise-class macOS security agents
    used by Fortune 500 enterprises.

  • Work on
    cutting-edge endpoint security
    for one of the fastest-growing Zero Trust companies.

  • Collaborate with world-class engineers across operating systems.

  • Grow in a high-impact, innovation-driven cybersecurity product environment.

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