Jing Wang - 𝖲𝗈𝖿𝗍𝗐𝖺𝗋𝖾 𝖤𝗇𝗀𝗂𝗇𝖾𝖾𝗋 at Dropbox

Jing Wang

𝖲𝗈𝖿𝗍𝗐𝖺𝗋𝖾 𝖤𝗇𝗀𝗂𝗇𝖾𝖾𝗋 at Dropbox

United States

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Summary

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Rockstar

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Top School

Jing Wang is a seasoned software engineer with 12 years of experience at Dropbox, combining a Caltech background in computer science and physics with deep expertise in back-end systems and database engineering. She has significant open-source contributions, notably integrating Presto with SQLAlchemy in PyHive to enable robust interaction between Python ORMs and distributed query engines. Her work on mypy type stubs shows a pragmatic focus on improving developer tooling and code correctness across the Python ecosystem. Based in the United States, Jing brings a systems-first mindset to production-scale data and query problems, and she often operates at the intersection of databases, language tooling, and infrastructure. An uncommon strength is her ability to bridge low-level type and SQL compatibility issues into test-backed, maintainable libraries used by other engineers.

12 years of coding experience

California Institute of Technology

Japanese, Spanish, Chinese

Github Skills (19)

static-typing10

typesc10

python10

stub10

stubs10

mypy10

dynamic-typing10

typescript10

implicit-typing10

typechecker10

type-system10

optional-typing10

sqlalchemy10

strong-typing10

presto10

Programming languages (5)

JavaC++CJavaScriptPython

Github contributions (5)

dropbox/PyHive

Jan 2014 - Feb 2018

Python interface to Hive and Presto. 🐝

Role in this project:

Back-end Developer & Database Engineer

Contributions:13 releases, 118 commits, 56 PRs in 4 years 1 month

Contributions summary:Jing focused on integrating SQLAlchemy (a Python SQL toolkit and Object-Relational Mapper) with Presto, a distributed SQL query engine. Their primary contribution involved creating a new dialect and supporting infrastructure for Presto within the SQLAlchemy framework. They implemented the necessary components to allow SQLAlchemy to interact with Presto, including handling type mapping, identifier quoting, and table reflection, and also added a test suite.

pythonsqlalchemyhiveserver2python-interfacedbapi

python/mypy

Aug 2015 - Aug 2015

Optional static typing for Python

Role in this project:

Back-end Developer

Contributions:21 commits, 3 PRs, 20 pushes in 3 days

Contributions summary:Jing contributed to the mypy project by adding and modifying type stubs for various Python libraries. Their work included adding stubs for `copy`, `gflags`, `contextlib`, `inspect`, `pickle`, `urlparse`, and others. They also made adjustments to existing stubs, such as `builtins.pyi` and `subprocess.pyi`, improving type annotations and functionality. This work focused on enhancing the static typing capabilities of the mypy type checker, which is crucial for the project's overall goal of providing optional static typing for Python code.

linterpythontypecheckerstatic-typing

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