Ningsheng Jian
Engineering Manager at NVIDIA
Minhang District, Shanghai, China
Summary
🤩
Rockstar🎓
Top SchoolNingsheng Jian is an engineering leader with 11 years of focused experience in virtual machines, JIT compilers, and performance tuning across Dalvik/ART and OpenJDK ecosystems. He currently manages NVIDIA's GPU compiler backend efforts after leading ARM architecture enablement and optimization for OpenJDK at Arm. His background spans deep systems work—toolchains, VM internals, and CPU/OS performance analysis—gained at Marvell, Linaro, and Intel, which gives him a rare end-to-end view from compiler codegen to runtime behavior. Known for squeezing performance out of ARM platforms, he combines hands-on technical depth with team leadership to deliver production-grade runtime optimizations. Based in Shanghai, he holds a Master's in Computer Science from Southeast University and brings a pragmatic, measurement-driven approach to cross-team engineering challenges.
11 years of coding experience
18 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Southeast University
Github Skills (19)
jvm10
java10
openjdk10
aot9
sdk8
polyglot8
graalvm8
javascript7
ruby7
rocket7
python7
compiler7
tencent5
development-kit4
lts4
Programming languages (2)
Github contributions (5)
nsjian/jdk
Sep 2020 - Nov 2023
Read-only mirror of https://hg.openjdk.java.net/jdk/jdk
Contributions:15 pushes, 17 branches in 3 years 3 months
openjdk-javajdkopenjdkjavajava-net
nsjian/panama-vector
Sep 2020 - Apr 2022
Panama vector
Contributions:21 pushes, 55 branches in 1 year 7 months
panamavectorsvectorizationcosine-similarityvector
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