
Software Development Engineer in Test, Car Key, Wireless Technologies & Ecosystems
Required skills
- Car Key
- Wireless Technologies
- Ecosystems
- Python
- Objective-C
- Swift
- AI/ML Tools
- LLMs
- Claude Code
- embedded systems
Nice to have
- automation frameworks
- hardware/software integration testing
- NFC
- BLE
- UWB
- CCC Digital Key specification
Role summary
The WTE Quality team seeks a Software Development Engineer in Test (SDET) to focus on Apple's Car Key validation efforts. This role involves writing, debugging, and maintaining automation for embedded systems and wireless protocols, with a strong emphasis on using AI/ML tools like Claude Code to enhance productivity and test coverage. The ideal candidate will possess strong programming skills in Python, proficiency in Objective-C/Swift, and critical thinking abilities to isolate issues in complex systems. Collaboration within cross-functional teams is essential for ensuring Car Key functionality meets Apple's quality standards.
Description
As a Software Development Engineer in Test on the Car Key team, you will write, debug, and maintain the automation that validates Apple's Digital Car Key features across embedded systems and wireless protocols. You will work closely with development and quality engineers to identify issues, isolate root causes, and ensure that Car Key functionality meets Apple's quality bar. This role places a strong emphasis on leveraging LLM-based tools like Claude Code to accelerate development workflows, improve test coverage, and solve problems more efficiently. You will be expected to think critically about complex system behavior, collaborate effectively across teams, and continuously push for better ways to validate software at the embedded level.
Minimum Qualifications
Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience 5+ years of experience in software engineering with a focus on test automation, debugging, or system validation Strong programming skills in Python Proficiency in Objective-C and/or Swift Demonstrated experience using AI/ML tools and LLMs (e.g., Claude Code, coding assistants) to enhance engineering productivity Strong critical thinking and analytical skills with the ability to isolate issues in complex systems Proven ability to collaborate effectively in cross-functional team environments
Preferred Qualifications
Experience testing or validating embedded systems Experience with automation frameworks for hardware/software integration testing Deep familiarity with wireless protocols including NFC, BLE, and UWB Experience with the Car Connectivity Consortium (CCC) Digital Key specification Proficiency with git, CI/CD systems, and development integration lifecycles Familiarity with prompt engineering and the ability to design effective LLM workflows for engineering tasks
Sample Apple interview questions
- 1
Design a typeahead box for a search engine
system designmedium - 2
Design a rate limiter
system designmedium - 3
Architect a key-value store for distributed systems.
system designmedium - 4
Design a system to schedule jobs in a distributed environment
system designmedium - 5
What is an API and how does it work?
technicalmedium
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