l
luhsuan_chen

Lu-Hsuan C

@luhsuan_chen

System Software Engineer

Taiwan
English
About me
I am a highly self‑motivated software engineer with a deep‑seated enthusiasm for software development with four years of experience in collaborative programming. I’ve actively contributed to diverse open‑source projects, in‑ cluding sse2neon and semu. My primary expertise lies in system software, evident through my submitted patches to the Linux Kernel following comprehensive source code and documentation analysis. Moreover, I’ve enhanced sse2neon by optimizing CRC32‑C conversion and pioneered the first‑ever VirtIO sound device on semu in a pure MMIO interrupt environment.... Read more

Skills

l
luhsuan_chen
Lu-Hsuan C
Offline • 
Average response time: 149 hours

See my services

Help/Consultation
I will optimize code with sse avx avx2 avx512 arm neon
From$100 / projectMore details
Help/Consultation
I will debug linux kernel panic crash and driver issues
From$80 / projectMore details

Portfolio

Work experience

Independent Consultant

Independent System Performance Engineer • Full-time

Aug 2024 - Present • 1 yr 9 mos

• Optimize Valkey CRC16 via multi‑byte LUT, improving cluster RPS and latency by 2%. • Build SIMD‑accelerated routines for compute‑heavy workloads, boosting performance by 2%. • Perform Linux perf profiling to identify bottlenecks, improving system efficiency by 2%.

Software Engineer

Array Networks Inc. • Full-time

Apr 2024 - Aug 2024 • 4 mos

• Delivered 10 features for GSLB/virtualization products with a collaborative 6‑person team, improving system efficiency by 10%. • Patched Intel i40e driver to enable dynamic Ethernet port control across 10k+ devices. • Extended Linux ifalias to manage port metadata, improving maintainability and tracking for 10+ ports. • Built user login feature with RADIUS, NSS, and PAM, enabling secure cross‑application authentication for 100+ users.

Software Engineer

Aimazing • Full-time

Jan 2024 - Mar 2024 • 2 mos

• Partnered with CTO to deliver 3 Shopper Connect enhancements, increasing user engagement by 10%. • Implemented heartbeat mechanism, resolving cellular disconnects for 500+ users. • Analyzed USB traffic to enable cloud‑based POS/printer status monitoring.