Xinyue Lu - Software Engineer at Kubisys Inc.

Xinyue Lu

Software Engineer at Kubisys Inc.

Portland, Oregon, United States

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Summary

👤

Senior

🎓

Top School

Xinyue Lu is a software engineer with 14 years of experience building real-world web applications and performance-critical back-end systems, currently based in Portland, Oregon. She combines full-stack web skills (PHP, Ruby on Rails, MySQL, HTML5/CSS3, JavaScript frameworks) with low-level optimization expertise in C/C++/ASM and SIMD-accelerated audio routines. Her open-source contributions include substantive encoder and media-processing work on notable projects like x265 and AviSynthPlus, where she improved CLI behavior, bitstream handling, and SIMD-optimized audio converters. At Kubisys and prior roles she has designed production systems, managed LNMP stacks, and delivered prototypes for institutional partners, demonstrating a knack for both product-facing features and infrastructure. A quick learner and pragmatic problem solver, she often bridges gaps between high-level web stacks and performance-sensitive native code.

14 years of coding experience

4 years of employment as a software developer

Bachelor of Engineering (BEng), Computer Software Engineering, Bachelor of Engineering (BEng), Computer Software Engineering at Donghua University

Master of Engineering (MEng), Computer Science, Master of Engineering (MEng), Computer Science at Oregon State University

High School

Chinese, English, Japanese

Github Skills (21)

algorithm10

code-optimization10

algorithms10

c-language10

video-encoding10

h26510

command-line-interface10

audio-processing10

sse10

optimisation10

command-line10

numerical-optimization10

simd10

cprogramming-language10

optimization10

Programming languages (20)

C#JavaC++CRustHackGoHTML

Github contributions (5)

AviSynth/AviSynthPlus

Apr 2020 - Jun 2020

AviSynth with improvements

Role in this project:

Back-end Developer

Contributions:8 commits, 3 PRs, 10 comments in 2 months

Contributions summary:Xinyue's primary contribution involves optimizing audio conversion routines within the AviSynth+ project. They implemented and refined C++ code, integrating SIMD instructions (SSE2, SSSE3, and AVX2) to accelerate audio format conversions. The changes include adding new conversion methods and refactoring existing code. The user also updated and extended the conversion matrix, and made related documentation updates.

avisynth

videolan/x265

Mar 2015 - Apr 2015

https://bitbucket.org/multicoreware/x265/ git mirror

Role in this project:

Back-end Developer

Contributions:7 commits in 18 days

Contributions summary:Xinyue primarily contributed to the x265 video encoder project, modifying the command-line interface (CLI) and core encoding logic. Their work included preventing the operating system from entering standby mode during encoding, unifying logging functions, and moving raw bitstream output to a separate file. They also refactored the code to handle timebase and PTS correctly, and addressed issues related to the annex_b format for bitstream output, enhancing the versatility of the encoder.

git-mirror

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