Principal Software Engineer (MacOS) - Remote EU

Malwarebytes; Italia; Remote; EUR 90,000 - 110,000; Full time

Benefits offered by this job

Comprehensive medical coverage

Employee Referral Bonus Program

Wellness programs

Comprehensive Time Off policy

Global impact and growth opportunities

Job summary

ThreatDown is seeking a Principal Software Developer (MacOS) to design and implement enterprise-grade endpoint protection for MacOS. You will work on high-impact malware defense products and collaborate with a fast-paced team in a startup-like environment.

Join ThreatDown to help protect thousands of enterprise users, contribute to product design, and shape next-gen security features. This role is based in Italy and offers compelling compensation and growth opportunities.

Qualifications

• Understanding of Object-Oriented development practices.
• Experience with Apple’s System Extensions and Network Extension frameworks.
• Ability to work on a high-performance team in a high-tech startup or startup-like environment.
• Working knowledge of Swift and/or Objective-C coding languages.
• Experience with backend development on macOS, including data management, networking, and system integrations.
• Ability to debug and optimize macOS applications for performance.
• Familiarity with foundational macOS frameworks and development tools, including Foundation, Xcode, Instruments, and LLDB
• Strong understanding of macOS system architecture and internals
• Familiarity with macOS security and distribution requirements, including code signing, entitlements, sandboxing, privacy permissions, and notarization

Responsibilities

• Develop new and exciting products in the fight against malware
• Build cutting edge Enterprise grade endpoint protection for MacOS
• Play a key role in designing and developing tools to support all the ThreatDown initiatives
• Collect and process data and metrics to track emerging threats so we can keep one step ahead of the bad guys
• Support your fellow developers; proactively communicate, document, unit-test, and peer review
• Work collaboratively and effectively with a range of people in an Agile environment
• Create superior results while building new skills
• Work as a part of team to ensure everyone meets their goals

Skills

OO programming

Swift/Obj-C

macOS backend

Xcode/Tools

Performance tuning

Debugging

Security basics

Notarization basics

System Extensions

Tools

System Extensions

Network Extension

Xcode

Instruments

LLDB

Foundation

Job description

ThreatDown is a leader in elite Managed Detection and Response (MDR), purpose-built to empower resource-constrained security teams with high-efficacy protection, without the complexity. As attacks grow faster and more automated, ThreatDown pairs proprietary AI and threat research with analyst judgment to deploy in minutes to deliver high-efficacy protection. Recognized by MRG Effitas, AVLab, and G2, ThreatDown scales security operations to intercept sophisticated attacks at the speed of modern threats. At ThreatDown, you’ll join a team driven by innovation, resilience, and a passion for empowering businesses to thrive securely. If you're ready to make a real impact in cybersecurity, we’d love to meet you.

ThreatDown is looking for…

We’re not looking for people who know all the answers; we want people who can think creatively and are not afraid to bring forward new ideas. The problems we solve are meaningful, exciting, and constantly-evolving your code will support thousands of enterprises customers from emerging threats and restore confidence in using their computers. Our business product team is looking for a Principal Software Developer (MacOS), ready for the challenge of delivering great business products to thousands of users.

Compensation:

100,000 Euros

What You Will Do

• Develop new and exciting products in the fight against malware
• Build cutting edge Enterprise grade endpoint protection for MacOS
• Play a key role in designing and developing tools to support all the ThreatDown initiatives
• Collect and process data and metrics to track emerging threats so we can keep one step ahead of the bad guys
• Support your fellow developers; proactively communicate, document, unit-test, and peer review
• Work collaboratively and effectively with a range of people in an Agile environment
• Create superior results while building new skills
• Work as a part of team to ensure everyone meets their goals

Skills You'll Need To Have

• Understanding of Object-Oriented development practices
• Experience working with Apple’s System Extensions and Network Extension frameworks
• Ability to work on a high-performance team in a high-tech startup or startup-like environment
• Working knowledge of Swift and/or Objective-c coding languages
• Experience with backend development on macOS, including data management, networking, and system integrations
• Ability to debug and optimize macOS applications for performance
• Familiarity with foundational macOS frameworks and development tools, including Foundation, Xcode, Instruments, and LLDB
• Strong understanding of macOS system architecture and internals
• Familiarity with macOS security and distribution requirements, including code signing, entitlements, sandboxing, privacy permissions, and notarization
• Ability to debug, profile, and optimize macOS applications for performance, reliability, and resource efficiency

Good To Have

• Understanding of cybersecurity principles, including least privilege, defense in depth, secure-by-default design, threat modeling, and attack-surface reduction
• Familiarity with secure coding practices, vulnerability management, and common application and network security risks
• Familiarity with Apple platform deployment and management technologies, including MDM and configuration profiles

Perks & Benefit

• Comprehensive medical, dental, and vision insurance coverage
• Employee Referral Bonus Program
• Wellness programs
• Comprehensive Time Off policy
• An opportunity to do something great for yourself and the world! (Benefits and Perks subject to change by country/region)