Chih Wang
Application Development Supervisor
Taiwan
Summary
👤
Senior🎓
Top SchoolChih Wang is an application development supervisor with 11 years of hands-on experience in semiconductor process development, R&D, and manufacturing, currently leading Cu electroplating package development and materials pathfinding at BASF in Taiwan. He combines deep plasma science expertise from a Master’s at National Taiwan University with practical skills in PVD, process troubleshooting, SPC, and recipe optimization gained at TSMC and Chang Chun Plastics. Known for improving process windows and reducing hazardous waste through materials and flow innovations, he ties customer-facing problem solving to scalable manufacturing improvements. Beyond semiconductors, he contributes to notable open-source projects such as Apache DataFusion and rustup, where he focused on backend consistency, test migration, and robustness—demonstrating a rare blend of lab-scale materials engineering and disciplined software craftsmanship.
11 years of coding experience
7 years of employment as a software developer
Master's degree, Plasma Science, Master's degree, Plasma Science at National Taiwan UniversityNCU
Github Skills (17)
testing10
development-tools10
fusion10
sql10
toolchain10
query-engine10
rust10
rust-lang9
error-handling9
apache-arrow9
management8
component-model8
manage8
big-data8
dataframes8
Programming languages (7)
Github contributions (5)
rust-lang/rustup
Jun 2023 - Apr 2024
The Rust toolchain installer
Role in this project:
Backend Developer
Backend DeveloperContributions:9 reviews, 7 PRs, 18 comments in 10 months
Contributions summary:Chih contributed to the Rust toolchain installer by addressing IO error handling within the download process and removing redundant error messages during package extraction. They also implemented and tested features for adding and removing components using target triples, improving the test suite. Furthermore, the user refactored code by removing a TryFrom implementation and replacing an instantiation method.
rustinstallerrustlangrust-toolchaintoolchain
apache/datafusion
Feb 2023 - Mar 2024
Apache DataFusion SQL Query Engine
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 reviews, 13 PRs, 32 comments in 1 year 1 month
Contributions summary:Chih primarily focused on improving the codebase and updating documentation related to the Apache DataFusion SQL Query Engine. They made the SQL query examples consistent with API syntax and updated code examples in core files. Furthermore, they migrated tests for datafusion-proto into their own binary and fixed formatting issues. These contributions support the overall maintainability and consistency of the project.
querypythonquery-enginedataframerust
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.