ThreatDown logo

Principal Software Engineer (MacOS)

ThreatDown

Remote
Full-time
Principal
$112k–$112kPosted 1h ago

Real job — pulled straight from ThreatDown’s careers page · Verified October 30, 2026 · No reposts.

Job description

ThreatDown is hiring a Principal Software Engineer (MacOS) — a full-time, remote role ($112k–$112k). Apply directly on ThreatDown's careers page below.

Principal Software Engineer (MacOS) - Remote EU

Location: Remote (Ukraine); Italy; Poland; Spain; Germany; Estonia; United Kingdom; France; Belgium; Portugal; Ireland

Department: 5010 Clients Engineering

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) 

 


About the Company

About 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.

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Frequently asked questions

What is the salary for Principal Software Engineer (MacOS) at ThreatDown?

The estimated salary range for Principal Software Engineer (MacOS) at ThreatDown is $112,000 - $112,000 USD per year.

Is Principal Software Engineer (MacOS) at ThreatDown a remote job?

Yes, Principal Software Engineer (MacOS) at ThreatDown is a remote position. Candidates in Italy, Poland, Spain, Germany, Estonia, United Kingdom, France, Belgium, Portugal, Ireland may be preferred.

What skills are required for Principal Software Engineer (MacOS) at ThreatDown?

The required skills for Principal Software Engineer (MacOS) at ThreatDown include: Swift, Objective-C, macOS, Cybersecurity.

What is the seniority level for Principal Software Engineer (MacOS) at ThreatDown?

Principal Software Engineer (MacOS) at ThreatDown is a Principal level position.

How do I apply for Principal Software Engineer (MacOS) at ThreatDown?

You can view the full description and apply for Principal Software Engineer (MacOS) at ThreatDown on EchoJobs: https://echojobs.io/job/threatdown-principal-software-engineer-macos-remote-eu-tkkad.