Debugger Engineer
Lex
London, UK
Posted on Mar 25, 2026
Summary
The LLDB team within Apple’s Developer Tools organization is looking for an engineer to work on the debugger. LLDB is a core part of Apple's developer tools, used internally to debug Apple's software stack and externally by millions of developers. Our team works across many different organizations to deliver a state-of-the-art debugging experience to all our users.
Description
You will be working as part of a highly skilled engineering organization in the exploration, design, and implementation of new ideas that will drive the future of Apple’s technology and tools. We strive to build a diverse, balanced and dynamic environment. Far more than any specific experience or skill, we are looking for engineers who are passionate about developer tools and want to enable others to develop amazing applications.
Responsibilities
The LLDB team within Apple’s Developer Tools organization is looking for an engineer to work on the debugger. LLDB is a core part of Apple's developer tools, used internally to debug Apple's software stack and externally by millions of developers. Our team works across many different organizations to deliver a state-of-the-art debugging experience to all our users.
Description
You will be working as part of a highly skilled engineering organization in the exploration, design, and implementation of new ideas that will drive the future of Apple’s technology and tools. We strive to build a diverse, balanced and dynamic environment. Far more than any specific experience or skill, we are looking for engineers who are passionate about developer tools and want to enable others to develop amazing applications.
Responsibilities
- As part of the LLDB team you will work with experienced engineerings to drive features and improvements in the debugger and its surrounding technologies. You’ll collaborate with a variety of teams at Apple working on different layers of the software stack to help shape the future of debugging on our platform. You’ll work closely with the teams working on the operating system and other parts of the toolchains.
- Your responsibilities will range from supporting new hardware and platforms to developing features to make debugging even better. Most of your work will be open source on llvm.org (http://llvm.org/) and github.com (http://github.com/) where you’ll collaborate with the LLVM and Swift communities.
- You will work closely with the larger developer tools organization colocated with us. New team members quickly get to own a part of the debugger and develop independence in their work.
- Proficiency with system level programming, preferably in C++
- Familiarity with compiler, debugger, or operating system internals
- Computer Science Degree or equivalent experience.
- Passion for crafting software and tools
- Attention to detail and the ability to reason about complex interactions between different components
- Ability to work efficiently across organizational boundaries