Software Development Engineer in Test (MacOS)

Sur

Portugal Remote permanent

Posted: November 13, 2025

Required Skills

Job Description

As the Software Development Engineer in Test (macOS) you will own the quality of macOS integration layers, including endpoint security agents, network extensions, and other system-level components. You'll work closely with engineering and product teams to build high-fidelity automated tests, validate complex behavior across macOS internals, and ensure our platform’s reliability, security, and compatibility on Apple hardware.

Responsibilities:

• Work with product development teams throughout the product life cycle to ensure software quality requirements and goals are established and met.
• Responsible for automating functional and non-functional tests to reduce test duration
• Design, build, and maintain automated test infrastructure for system-level macOS functionality, especially around:
• Perform code reviews and white box testing to uncover defects early in the product life cycle.

Requirements:
• Strong proficiency in at least two of the following languages: Python, Swift, ObjC
• Design, build, and maintain automated test infrastructure for system-level macOS functionality, especially around: Endpoint Security, Network Extensions, Accessibility and other Mac frameworks.
• Experience developing automated test frameworks or comprehensive test suites targeting MacOS desktop applications and platform functionality.
• Participate in architectural and design reviews with engineering and product
• Drive regression, exploratory, and compatibility testing across macOS versions (including Sonoma and beyond)
• Excellent debugging and troubleshooting skills on MacOS.

Nice to have:

• Experience in reverse engineering, disassembly, or debugging at the kernel/driver level is highly desirable.
• Practical knowledge of functional and regression testing methodologies for desktop applications.
• Familiarity with performance testing techniques (soak, stress, load testing).
• Background in virtualization platforms, data center operations, or VM lifecycle management.
• Experience integrating AI/LLM-based solutions into automation to improve testing efficiency.

Benefits:
Salary: $7,500 USD /month + Holidays

Unlimited PTO

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