Staff Mojo Compiler Engineer

This is a fully remote position, open to applicants in United States, +2 more countries.

📋 Description

• Take charge of the technical strategy and architecture for the Mojo compiler backend, which includes IR lowering, optimization passes, and code generation for diverse hardware.

• Serve as the technical lead for backend compiler engineers.

• Deconstruct complex problems, facilitate design reviews, establish technical standards, and enhance team productivity.

• Utilize and expand profiling tools to uncover optimization opportunities and design compiler passes.

• Lead initiatives in developer tooling, encompassing LLDB, GDB-family debuggers, profilers, debug-information generation, data introspection, and visualizers.

• Guide engineers and cultivate contributors and owners in tooling development.

• Direct editor and language-tooling experiences, including LSP and IDE extensions.

• Collaborate with Mojo language, MAX, kernel, and hardware-enablement teams.

• Engage with Modular’s open-source community.

• Elevate the technical standards and influence the direction beyond the immediate team.

⛳️ Requirements

• Extensive, hands-on experience in compiler IR design, optimization passes, and code generation within a production toolchain.

• Proficient experience with LLVM and MLIR, covering dialects, lowering pipelines, and code generation.

• Proven record of technical leadership in roles without formal management responsibilities.

• Strong skills in C++ and Python.

• Practical experience with LLDB and GDB-family debuggers, preferably in extending or developing debugger support.

• Familiarity with editor/IDE tooling, language servers (LSP), VS Code extensions, or similar developer-experience platforms.

• Working knowledge of CPU and/or GPU/accelerator architecture and performance analysis.

• Exceptional collaboration and communication skills across distributed, cross-functional teams.

• Applicants from the US, Canada, and the UK are encouraged to apply.

• Flexibility to work remotely or from the Los Altos, CA, or Edinburgh office.

• Willingness to participate in in-person onboarding and travel 2–4 times a year.

• E-Verify/Form I-9 work authorization process is required for employment in the US.

🏝️ Benefits

• Comprehensive healthcare coverage.

• Retirement and savings programs.

• Opportunities for employee stock purchase.

• Paid time off.

• Resources for wellbeing.

• Family support programs.

• Opportunities for learning and development.

• RSU grants.

• Regular team onsite events and local meetups.

• Travel opportunities and team-building events 2–4 times a year.