Xintong Song
Staff Software Engineer at alibaba
Beijing, China
Summary
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RockstarXintong Song is a Staff Software Engineer based in Beijing with 10 years of experience specializing in back-end and distributed systems. As an Apache Flink PMC member and committer at Alibaba, she contributes to core runtime features and memory/resource management for a high-profile stream processing engine. Her work touches both deep technical changes—modifying ResourceSpec/ResourceProfile and related tests—and the project’s public face through website and documentation updates. She blends production-grade engineering with community stewardship, ensuring that low-level runtime improvements are reflected in accessible docs and quickstarts. Colleagues rely on her to bridge complex resource-management logic and practical operational needs for large-scale streaming applications. An often-overlooked strength is her habit of pairing code changes with documentation and build tweaks, smoothing adoption for downstream users.
10 years of coding experience
Github Skills (14)
html10
memory-management10
javas10
distributed-systems10
flink-sql10
website-development10
apache-flink10
java10
testing9
data-structure9
data-structures9
big-data9
scala8
build-automation6
Programming languages (3)
Github contributions (5)
apache/flink
Jul 2019 - Jan 2023
Apache Flink
Role in this project:
Back-end Developer
Back-end DeveloperContributions:894 reviews, 452 commits, 432 PRs in 3 years 7 months
Contributions summary:Xintong's contributions focused on implementing and modifying core runtime features of Apache Flink. They made changes to the ResourceSpec and ResourceProfile classes, adding and modifying memory management aspects related to task slots and the requirements for resources. The commits also included the modification of test cases to reflect the changes made.
pythonflinkconnectorsqlapache
apache/flink-web
Sep 2020 - May 2022
Apache Flink Website
Role in this project:Backend Developer
Backend DeveloperContributions:41 reviews, 25 commits, 22 PRs in 1 year 8 months
Contributions summary:Xintong primarily contributed to the Apache Flink website repository, focusing on content updates and website regeneration. Their work involved modifying HTML files to incorporate updates to the community pages and release announcements. They also made minor adjustments to the website's build process and quickstart scripts, indicating involvement in maintaining the website's infrastructure and documentation.
flinkapachebig-datasparkapache-flink
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