Deng An
Web Developer at nortonelectric
Vaughan, Ontario, Canada
Summary
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RockstarDeng An is a web developer based in Vaughan, Ontario with eight years of engineering experience and a strong focus on backend security for big data platforms. Currently at nortonelectric, he combines web development responsibilities with deep expertise in authorization and correctness, evidenced by contributions to the widely used Apache Kyuubi project where he hardened privilege-building logic and added targeted tests for complex SQL constructs. He brings a practical blend of application-level web skills and low-level security fixes, able to navigate INSERT/WHERE/JOIN edge cases that often slip past conventional testing. Deng’s profile reflects a developer who values correctness and auditability in distributed data systems, making him well-suited for roles that bridge frontend delivery and backend data platform integrity.
8 years of coding experience
Github Skills (9)
testing10
spark-sql10
authorizations10
spark10
sql10
authorization10
security10
hive9
jdbc8
Programming languages (7)
Github contributions (5)
apache/kyuubi
Apr 2022 - Oct 2022
Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses.
Role in this project:
Back-end Developer / Security Engineer
Back-end Developer / Security EngineerContributions:24 reviews, 8 commits, 18 PRs in 6 months
Contributions summary:Deng focused on improving the security and correctness of the Apache Kyuubi project's authorization mechanisms. Their contributions primarily involved fixing issues within the `PrivilegesBuilder`, ensuring accurate privilege object generation, particularly in scenarios involving `WHERE`, `JOIN`, `ORDER BY`, and subqueries. These changes included adding new test cases and modifying code in the `PrivilegesBuilderSuite.scala` and `PrivilegesBuilder.scala` files to address edge cases and improve the robustness of the authorization logic. The user also fixed cases related to `InsertIntoHiveTableCommand` for correct `INSERT` action types.
tenantserverlessdata-lakejdbcspark-sql
packyan/PyTorch-YOLOv3-kitti
Dec 2018 - Aug 2019
use yolov3 pytorch to train kitti
Contributions:15 commits, 9 pushes, 1 branch in 7 months
pytorchkittideep-learningyolov3train
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