Felix Li
Database Developer
Menlo Park, California, United States
Summary
🤩
Rockstar🎓
Top SchoolFelix Li is a Database Developer in Menlo Park with 10 years of experience building high-performance storage engines and real-time data systems for large-scale analytics. He has driven R&D and compatibility work across OLAP stacks—contributing to open-source engines like Apache Doris and StarRocks where he improved SQL compatibility, query optimizer features, and load/partitioning robustness. At Meituan he engineered real-time pipelines supporting single-topic QPS in the thousands and 100M/day data volumes, and at CelerData he focuses on storage engine internals, BI compatibility, and large-scale stress testing. Comfortable across backend, DevOps and cloud automation, he blends practical systems engineering with analytic technique development from his data R&D background. An avid thinker with interests in mathematics, literature and animation, he brings a rare combination of rigorous technical depth and curiosity that surfaces in detailed open-source documentation and backend fixes.
10 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at Heilongjiang University
Github Skills (24)
sql-parser10
c-language10
datatypes10
databases10
starrocks10
distributed-systems10
dbt10
java10
javas10
sql10
database-design10
cprogramming-language10
relational-databases10
sql-database10
documentation10
Programming languages (7)
Github contributions (5)
StarRocks/starrocks
Sep 2021 - Jan 2023
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3186 reviews, 337 commits, 1886 PRs in 1 year 4 months
Contributions summary:Felix primarily contributed to the backend of the StarRocks database system. Their work included fixing bugs related to startup processes, correcting query states, adding support for multi-character column separators in load operations, and upgrading dependencies for security enhancements. Further contributions involve optimizing the query of INFORMATION_SCHEMA and incorporating features like dynamic partitioning. The user also focused on issues related to materialized views, optimizing the refresh process.
multi-dimensionalcloudnativescenariosrealtime-databasereal-time
apache/doris
Aug 2020 - Oct 2020
Apache Doris is an easy-to-use, high performance and unified analytics database.
Role in this project:Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:3 reviews, 9 commits, 13 PRs in 2 months
Contributions summary:Felix primarily contributed to enhancing the SQL query capabilities of Apache Doris. Their work includes adding support for DataGrip integration by implementing schema and database information retrieval, and supporting MySQL compatibility features like `COLLATE` options in expressions. The user also focused on improving data type handling by supporting implicit casts from string literals to `BIGINT` and supporting implicit date type conversions, and implemented optimizer hints. These changes contribute to Doris's SQL functionality and compatibility.
dbmsapache-dorisdbtreal-timehudi
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