Jinghui Jiao
Software Engineer at Jane Street
Hong Kong Island, Hong Kong, China
Summary
👤
Senior🎓
Top SchoolJinghui Jiao is a software engineer with 10 years of experience focused on building distributed systems, currently working on Core Services at Jane Street. He has a strong backend systems background demonstrated by significant contributions to RisingWave, where he implemented end-to-end support for decimal data types across Rust server code and the Java layer for a high-performance stream processing platform. His internships at Apple, Jump Trading, ByteDance and Tencent reflect hands-on experience in production research and low-latency systems, plus teaching compilers at Tsinghua shows depth in language/runtime knowledge. Based in Hong Kong and a Tsinghua CS graduate with a 3.67 GPA, he blends rigorous academic foundations with practical open-source impact on a notable project in real-time data processing.
9 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computer Science, 3.67 / 4.0, Bachelor's degree, Computer Science, 3.67 / 4.0 at Tsinghua University
Github Skills (14)
bigdecimal10
decimal-numbers10
decimals10
rust10
decimal10
protobuffer10
protobuf10
database9
data-engineering9
stream-processing9
databases9
javas8
java8
postgresql8
Programming languages (8)
Github contributions (5)
risingwavelabs/risingwave
Aug 2021 - Dec 2021
The event stream processing platform for developers. Unified experience for real-time data ingestion, stream processing, and low-latency serving. Best-in-class performance and cost-efficiency. Supports SQL and Python.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 commits in 4 months
Contributions summary:Jinghui primarily focused on implementing features related to decimal data types within the risingwave platform. They added support for decimal types in the codebase, including type definitions, protobuf serialization, array builders, and integration with the expression system. Their contributions involved extensive modifications to the `rust/server` directory. Moreover, the user worked on adding e2e tests and integrating the decimal type with the Java layer.
data-streamserverlessstreamdistributed-sql-databasedatabase
Cydiater/cydiater.github.io
Nov 2016 - Jul 2019
Contributions:427 pushes, 1 branch, 7 comments in 2 years 7 months
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