David Yan
Software Engineer at Google; Apache Software Foundation
Cupertino, California, United States
Summary
🤩
RockstarDavid Yan is a seasoned software engineer with 11 years of experience, currently building systems at Google from his base in Cupertino. He specializes in back-end development for data-processing frameworks, contributing to high-profile open-source projects such as Apache Beam where he improved Java and Python SDKs, enhanced error messaging, and added logging for thread-dump diagnostics. His work shows attention to both developer experience and operational debugging, bridging day-to-day reliability with long-term maintainability. Comfortable navigating complex distributed and streaming systems, he updates legacy integrations to modern dependencies and fixes subtle production issues like PubSub subscription handling. Colleagues describe him as a pragmatic problem-solver who combines deep technical craft with an eye for improving observability and developer workflows.
11 years of coding experience
Stackoverflow
13reputation
123reached
0answers
2questions
Github Skills (11)
javas10
beamng10
python10
java10
beam10
streaming9
debug9
debugging9
generics6
google-analytics6
go3
Programming languages (2)
Github contributions (5)
apache/beam
Feb 2018 - Jul 2020
Apache Beam is a unified programming model for Batch and Streaming data processing.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:17 reviews, 17 commits, 15 PRs in 2 years 5 months
Contributions summary:David made several contributions to the Apache Beam project, primarily focused on improving the Java and Python SDKs. Their work involved fixing typos, enhancing error messages, and updating the codebase to align with newer dependencies like grpcio. They also addressed issues related to PubSub subscriptions and pipeline graph rendering. In addition, the user added functionality for logging thread dumps upon lull detection, which likely improved debugging capabilities.
golangpythonstreaming-databeambatch
davidyan74/apex-malhar
Sep 2015 - Dec 2017
Contributions:3 PRs, 282 pushes, 46 branches in 2 years 2 months
incubatingapacheapex
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