Liangliang Gu
研发工程师 at Airwallex
Shanghai, Shanghai, China
Summary
🤩
Rockstar🎓
Top SchoolLiangliang Gu is a seasoned software engineer with 11 years' experience building distributed data platforms, ML infrastructure, and CI/CD for high-scale systems across companies like Airwallex, PayPal, and PingCAP. He has deep hands-on expertise in distributed storage and compute—contributing to TiSpark/TiKV/TiFlash (notably dependency upgrades, CI/build automation and TiSpark’s distributed two-phase commit for ACID writes) and running production Feature Store and VectorDB deployments at PayPal. At Airwallex he now applies LLMs and RAG to automate support workflows, combining ReAct and tool calling to operationalize SOPs. Comfortable across backend, DevOps and build/release engineering, he bridges engineering and customer needs from benchmarking and deployment to production rollouts. Educated with dual master’s training in computer science from Shanghai Jiao Tong University and TU Berlin, he often surfaces pragmatic fixes in open-source projects that improve reproducibility and release reliability.
11 years of coding experience
6 years of employment as a software developer
Dual Master’s Degree, Computer Science, Dual Master’s Degree, Computer Science at Technische Universität BerlinMaster's degree, Computer Science, Master's degree, Computer Science at Shanghai Jiao Tong University
German, English, Chinese
Github Skills (25)
docker10
tidb10
configuration-management10
bash10
dockers10
tikv10
java10
cicd10
flash10
javas10
release-management10
prometheus10
aac10
build-automation10
ansible10
Programming languages (11)
Github contributions (5)
pingcap/tispark
Mar 2019 - Sep 2021
TiSpark is built for running Apache Spark on top of TiDB/TiKV
Role in this project:
Back-end Developer
Back-end DeveloperContributions:32 releases, 45 reviews, 473 commits in 2 years 6 months
Contributions summary:Liangliang primarily focused on upgrading and maintaining the project's underlying dependencies, specifically upgrading the `kvproto` dependency across multiple files within the `tikv-client` module. The commits also include support for local debugging configuration and adjustments to test configurations by adding specific parameters related to failure handling. The user further contributed by adding configurations related to write operations and addressing bugs related to table and schema handling.
bigdatatidbapachebig-dataspark
pingcap/tidb-ansible
Jul 2019 - Sep 2020
Role in this project:DevOps Engineer
DevOps EngineerContributions:70 commits, 125 PRs, 52 pushes in 1 year 1 month
Contributions summary:Liangliang primarily focused on configuring and maintaining infrastructure related to TiFlash, the distributed storage engine for TiDB. Their contributions include adding metrics and status ports, refactoring configurations, and modifying alert rules and Grafana dashboards for monitoring. Furthermore, the user made adjustments to file paths and package dependencies, indicating a role in deployment and configuration management within the Ansible-based infrastructure. The commits also included modifying configurations for TiSpark, suggesting a focus on the integration and deployment aspects of TiDB's ecosystem.
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