John Vũ
Senior Consultant at Visa
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolJohn Vũ is a Senior Consultant in Client Success at Visa with 17 years of technology experience bridging hands-on engineering, product management, and cross-border payments operations. Previously the sole product manager for PayPal’s Business Debit Mastercard across 12 markets, he launched BDMC in nine EU countries and shipped a digital card enabling instant first transactions while integrating merchant-funded rebate programs that drove significant customer value. An early software engineer and contributor to the ICU Unicode project, he combines deep internationalization and backend testing expertise with program leadership across issuance, tokenization, and global regulatory environments. John is notable for translating technical tradeoffs into business outcomes, earning both product and humanitarian awards—he’s been recognized by PayPal’s CFO and directed charitable grants during the pandemic. He pairs a technical MS/BS in Computer Science with community leadership roles (Airbnb Superhost, police advisory board, interfaith initiatives) and a patent in dynamic text localization, bringing a rare mix of technical depth, operational rigor, and service-driven purpose.
16 years of coding experience
19 years of employment as a software developer
California Polytechnic State University, San Luis ObispoInstitute for Leadership Ministry, Institute for Leadership Ministry at Diocese of San Jose - Institute for Leadership MinistryCertificate of Completion Restorative Justice Chaplaincy Program, Certificate of Completion Restorative Justice Chaplaincy Program at Catholic Restorative Justice Network
Vietnamese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
testing10
c-language10
cprogramming-language10
icu10
java9
unicode9
cplus9
cpp9
javas9
Programming languages (3)
Github contributions (5)
unicode-org/icu
Jun 2009 - Sep 2009
The home of the ICU project source code.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:54 commits in 2 months
Contributions summary:John's commits focus on modifying and improving the ICU4C library, specifically related to versioning and testing. They removed a function `u_compareVersions` and updated the `putiltst.c` file with changes related to comparing versions with the memcmp function. Further commits include moving functions and increasing test coverage within the ICU4J project, specifically enhancing tests for UCharacter, UCharacterDirection, StringTokenizer and other related tests. Finally they also fixed several code bugs in some ICU functions.
cppc-plus-plusicu4cunicode-consortiumicu4j
jvu/closure-library
Apr 2015 - Sep 2015
Contributions:4 PRs, 46 pushes, 1 branch in 4 months
googlejavascriptjavascript-library
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