CPU Optimisation Engineer

5 days ago


London, Greater London, United Kingdom Xonai Full time

Xonai is a pioneering company that has raised $3.5M in Seed funding to drive innovation in data infrastructure optimisation. As a CPU Compiler Engineer, you'll play a crucial role in improving and expanding our core engine, which accelerates Big Data pipelines by leveraging hardware acceleration and performance metering.


Your key responsibilities will be:


  • Generating optimal code for CPU targets, including Arm and x86 architectures
  • Developing diversified compiler optimisations based on compile-time and runtime data
  • Enhancing profiling and debugging tools for CPU target execution
  • Refining our existing compiler design and toolchain

To succeed in this role, you'll need 4+ years of experience in backend compiler engineering, a deep understanding of LLVM and MLIR, and proficiency in C++14 and GitHub workflows. You should also be able to apply modern software engineering practices to write, test, and deploy production-ready code.



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