Chengzhong Wu
Senior Software Engineer at Bloomberg
New York, New York, United States
Summary
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Rockstar🎓
Top SchoolChengzhong Wu is a Senior Software Engineer with 11 years of experience specializing in Node.js internals, JavaScript engines, and observability. He is a Node.js Technical Steering Committee member, a V8 committer, an OpenTelemetry JS maintainer, and an Ecma TC39 delegate working on proposals like AsyncContext and ShadowRealm—demonstrating influence across both runtime and language design. His open-source work spans core Node.js, the tc39 test262 suite, JerryScript for constrained devices, and significant refactors in opentelemetry-js, showing comfort from low-level engine internals to distributed tracing. Based in New York, Chengzhong combines enterprise experience at Bloomberg and Alibaba with deep community leadership, and has a knack for tightening specifications and tests to prevent subtle runtime bugs.
11 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Bachelor's degree at Hangzhou Dianzi University
English, Chinese
Stackoverflow
359reputation
10kreached
6answers
0questions
Github Skills (54)
asynchronous10
spec10
javascript10
ios10
c-language10
arraybuffer10
mobile-development10
api-design10
async10
testing10
typescript10
c1110
sourcemaps10
c1710
jscript10
Programming languages (17)
Github contributions (5)
open-telemetry/opentelemetry-js
Apr 2020 - Jan 2023
OpenTelemetry JavaScript Client
Role in this project:
Back-end Developer
Back-end DeveloperContributions:937 reviews, 114 commits, 305 PRs in 2 years 9 months
Contributions summary:Chengzhong's commits focus on refactoring and merging core functionalities within the OpenTelemetry JavaScript client library, specifically related to the core and base packages. They demonstrate proficiency in JavaScript and the OpenTelemetry API, modifying code across multiple exporter packages to streamline internal operations, as well as updating dependencies and testing configurations to ensure compatibility and maintainability. These changes include modifications to core packages like core and tracing which involved refactoring of existing functionalities.
apijavascript-clientjavascripttelemetryotel
nodejs/node-addon-api
Aug 2019 - Aug 2021
Module for using Node-API from C++
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 releases, 150 reviews, 32 commits in 1 year 11 months
Contributions summary:Chengzhong primarily contributed to the Node.js addon API, focusing on improvements and bug fixes. Their work included addressing crashes related to thread-safe functions, removing unnecessary conditions in the code, and making changes to scope handling. They also implemented the AsyncProgressWorker, enabling asynchronous progress reporting, and introduced improvements to testing.
apicppnode-apinodejsnode
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