Senior Developer Tools Engineer

Lemurian Labs is reimagining the foundations of computing to make AI accessible to everyone. As the founding member of the Developer Experience team, you will design and build tools for profiling, debugging, and performance introspection across the compiler stack, creating a best-in-class development experience for engineers.

Responsibilities:

• Design and build developer tools for profiling, debugging, and performance introspection across our compiler stack
• Create client-side tooling that transforms server-side compiler telemetry into clear, actionable information for engineers
• Develop interfaces that expose hardware performance metrics, and interrupt data in meaningful ways
• Build GPU debugging capabilities and visualization tools to help engineers understand execution on heterogeneous hardware
• Define formats and protocols for debug information exchange, working with standard debugger formats (DWARF, JTAG) and object file formats (ELF, COFF)
• Collaborate with internal engineering teams to understand their needs and iterate on tooling, with a path toward external customer-facing tools

Requirements:

• 3+ years of professional experience in systems-level software development
• Strong proficiency in C++ with experience writing performance-critical code
• Working knowledge of assembly language and low-level debugging techniques
• Familiarity with debugger formats (DWARF, JTAG) and object file formats (ELF, COFF)
• Understanding of profiling methodologies and performance analysis tools
• Ability to work on-site at our Toronto or Santa Clara office
• Experience with GPU programming and debugging (CUDA, ROCm, or similar)
• Experience with OS-level interfaces including I/O subsystems and interrupt handling
• Background in compiler development or toolchain infrastructure
• Experience building developer-facing tools or IDEs
• Contributions to open-source debugging or profiling tools