HY Chang
DevOps Engineer at Aeon Motor Co Ltd
Taichung, Taiwan
Summary
🤩
Rockstar🎓
Top SchoolHY Chang is a DevOps engineer and backend/SRE specialist with 10 years of experience building resilient, high-performance systems across GCP, MySQL/Postgres, BigQuery and embedded Linux environments. He has driven measurable improvements—tuning backend performance by up to 7.7x and cutting connection errors by 80%—while designing CI/CD pipelines, disaster recovery workflows, and automated backup/restore tooling. Comfortable in Python, Go, C and Java, he builds and optimizes RESTful APIs, data pipelines and cloud migrations, and has increased API test coverage and Swagger docs to near-complete levels. An active open-source contributor, he improved an ARM-targeting C compiler (amacc) with AST and JIT enhancements, reflecting a low-level systems mindset that complements his cloud and SRE work. Based in Taichung, Taiwan, he pairs hands-on implementation with system-level thinking to deliver reliable, testable production services.
10 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Information Technology, Bachelor's degree, Information Technology at National Taichung University of Science and Technology
Github Skills (14)
c1710
compiler10
arm10
compiler-design10
assembly10
code-generation10
c1110
jit10
assemble10
compile10
assembler10
testing10
linux9
dynamic-linking8
Programming languages (13)
Github contributions (5)
jserv/amacc
Sep 2018 - Aug 2020
Small C Compiler generating ELF executable Arm architecture, supporting JIT execution
Role in this project:
Back-end Developer & Compiler Engineer
Back-end Developer & Compiler EngineerContributions:1 review, 17 commits, 18 PRs in 1 year 11 months
Contributions summary:HY significantly contributed to the `amacc` compiler project by implementing core features and addressing critical issues. Their work involved improving the compiler's ARM architecture support, fixing bugs related to instruction generation, and enhancing the test suite. The user also refactored the code to incorporate an Abstract Syntax Tree (AST) and backend code generator, streamlining the compilation process and enabling new features. They added support for division and modulo operators, and local variable initialization.
supportingjitself-hostinglinuxelf
splasky/tangle-accelerator
Apr 2020 - Jul 2022
Accelerate IOTA transactions by caching API requests and redirecting to faster alternatives
Contributions:612 pushes, 129 branches in 2 years 3 months
apiapi-requestscachingfasteriota
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