I am a compiler developer with good experience in llvm cpu and gpu backend, lld linker, npu/onnx, c++, OpenGl/glsl and simulator, ..., and enjoy with compiler.
Over 20 years experience in c/c++ programming, 10 years compiler toolchain related experience and research in parallel processing for master degree.
I am proud of my work is accepted by LLVM documentation, appears at http://llvm.org/docs/tutorial/#external-tutorials
Tutorial: Create an LLVM Backend compiler 
http://jonathan2251.github.io/lbd/index.html
Tutorial: Create an LLVM Backend Toolchain http://jonathan2251.github.io/lbt/index.html
The concept of GPU compiler http://jonathan2251.github.io/lbd/gpu.html
1997-1999 Master, June 1999, National Taiwan Normal University (國立台灣師範大學), Taipei, Major: Information Science.
1991-1994 B.S., June 1994, National Taiwan Technology University of Science and Technology (國立台灣科技大學), Taipei, Major: Industry Engineer.
Taiwan National Computer Engineer license, 1995 高考資訊技師及格.
The Researches of Column Sort and Related Problems