John Huang
Senior Software Engineer at Transurban
Ontario, California, United States
Summary
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SeniorJohn Huang is a Senior Software Engineer with 11 years of full-stack experience building and scaling cloud-native applications from architecture to production. Based in Ontario, California, he has driven major initiatives at Transurban—expanding a toll payments app across five states and architecting frontend and backend systems for road-user charging pilots—while mentoring engineers in React, Amplify, and testing practices. He brings deep serverless and Node.js expertise (Lambda, API Gateway, DynamoDB, GraphQL) alongside React/React Native UI work and operational tooling for CSR/CRM and admin platforms. Previously he redesigned backend architectures and CI for AI-driven video highlight SaaS and improved PDF rendering and microservice patterns at e-PlanSoft, reflecting a blend of systems, devops, and media-processing experience. An active open-source contributor, he’s made substantive low-level fixes to HummusJS to improve PDF annotation handling, showing comfort working in C++ at a library boundary as well as in JavaScript stacks. Colleagues describe him as upbeat and creatively minded, able to translate unusual product needs into pragmatic technical solutions.
10 years of coding experience
7 years of employment as a software developer
English, Chinese, Chinese, Chinese
Github Skills (6)
pdf-manipulation10
pdf-generation10
nodejs10
c-language10
cprogramming-language10
javascript9
Programming languages (11)
Github contributions (5)
galkahana/HummusJS
Jul 2017 - Jul 2017
Node.js module for high performance creation, modification and parsing of PDF files and streams
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 2 PRs, 78 comments in 14 days
Contributions summary:John primarily contributed to the `hummusjs` repository, a Node.js module for PDF manipulation. Their work focused on enhancing the module's functionality, specifically by adding the ability to set annotation flags within PDF documents. They also fixed formatting issues. These changes involved modifications to core files, specifically `src/DictionaryContextDriver.cpp` and related test files within the `tests` directory, indicating a focus on the module's underlying PDF generation and modification logic.
popplerstreamspdf-generationpdf-documentpdf-manipulation
chunyenHuang/watch-all
Jan 2020 - Nov 2022
Contributions:23 commits, 28 PRs, 20 pushes in 2 years 9 months
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