Wang Jiefan
Backend Software Engineer at ByteDance
Singapore
Summary
👤
Senior🎓
Top SchoolWang Jiefan is a backend software engineer based in Singapore with nine years of experience focusing on high-performance computing, distributed systems, and platform development. He co-founded and led an NUS SoC competition group that delivered dramatic runtime improvements (×257) for a climate model through C++26 GPU offloading and MPI topology optimizations, and built a private multi-node research cluster managed with Ansible and Spack. Jiefan has production experience at ByteDance and Shopee and has taught parallel computing and AI courses at NUS, bridging research-grade optimization techniques with real-world backend engineering. Known for deep familiarity with CUDA, advanced C++ features, and memory-aware optimizations, he pairs hands-on low-level performance tuning with platform-level tooling and automation. An understated strength is his ability to translate complex HPC techniques into maintainable infrastructure that scales across nodes and teams.
10 years of coding experience
1 year of employment as a software developer
High School Diploma, Computer Science, 4.6, High School Diploma, Computer Science, 4.6 at NUS High School of Mathematics & ScienceBachelor's degree, Computer Science, 4.33, Bachelor's degree, Computer Science, 4.33 at National University of Singapore
English
Github Skills (26)
javascript10
dice10
ios10
react-native10
expo10
typescript10
android10
mobile10
frontend10
react10
adaptation9
web-framework9
app-framework8
lrc8
smart-tv7
Programming languages (6)
Github contributions (5)
Nafeij/r-deltarune-stylesheet
Feb 2019 - Jul 2023
Contributions:33 pushes, 2 branches in 4 years 4 months
Nafeij/Nafeij-s-BS3-Fixpack
May 2022 - Feb 2023
Contributions:9 releases, 48 commits, 53 pushes in 8 months
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