LLVM Compiler Engineer

About SiFive

As the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms have enabled leading technology companies around the world to innovate, optimize, and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, datacenter, mobile, and consumer. With SiFive, the future of RISC-V has no limits.

Our LLVM based, world class compiler technology is the backbone of the SiFive software stack that enables SiFive high-performance Linux-capable cores and SiFive Intelligence processors. The compiler team's mission is to deliver cutting-edge performance in SiFive products while working with the community to advance RISC-V architecture and ISA extensions.  SiFive is an active participant in the RISC-V ecosystem that opens a vast opportunity to develop the next generation of computer architecture and compiler technology. SiFive engineers are active members and maintainers in many open source projects, and our mission is to work with and drive the RISC-V ecosystem.

We are looking for a solid LLVM compiler team member with proven experience in compiler technology such as SSA-based global optimizations, auto-vectorization, ISA extensions, and high-performance computing. The candidate should demonstrate a track record in cross-team collaboration and in delivering high quality compiler products. 


  • Working with SiFive’s LLVM compiler team in improving performance for the SiFive Intelligence processor family.
  • Working with SiFive’s benchmarking teams in analyzing performance results and suggesting new compiler optimizations.
  • Working with SiFive’s compiler and release teams in releasing timely compiler toolchains for use by SiFive software and hardware teams.


  • 1+ years of experience in compiler technology or demonstrated compiler work done in school project.
  • Degree in computer science or electrical engineering.
  • Experience with open source contributions - nice to have. 
  • Experience with hardware specific optimizations such as SIMD or other specialized accelerators.



SiFive is proud to be an equal employment opportunity workplace. We offer a competitive compensation package that includes flexible paid time off; flexible work environment; health, vision and dental benefits; 401(k) plan; employee stock option program, and much more.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
If you yearn to be challenged and wish to work in an environment where the boundaries of your creativity and skills will be tested, then SiFive is the place for you!
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