Principal Software Engineer (MacOS) - Remote EU

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.

About ThreatDown

• ThreatDown 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.

Responsibilities

• 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

Requirements

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

Preferred

• 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

Benefits

• 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)