sjlleo
Student
Shanghai, China
Summary
🤩
RockstarA dedicated student based in Shanghai with nine years of hands-on software experience, specializing in backend development and open-source network tooling. Notable contributions include improving TCP/UDP tracing, TTL-based concurrency, and IPv6 fast-trace in the NextTrace project and building core verification and proxy features for a Netflix availability checker. Comfortable working close to the network stack, he has enhanced error handling, ASN integration, and removed heavy config dependencies to make tools lighter and more deployable. Operator of an autonomous ASN (@AS151187) on GitHub, indicating practical, real-world network operations insight beyond typical student projects. Pragmatic and detail-oriented, he blends low-level networking knowledge with user-facing feature improvements to make diagnostic tools both accurate and usable.
9 years of coding experience
Github Skills (8)
http10
netflix10
udp10
go10
api10
apidoc10
network-analysis10
tcp10
Programming languages (8)
Github contributions (5)
nxtrace/NTrace-core
May 2022 - Jan 2023
NextTrace, an open source visual route tracking CLI tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:62 releases, 3 reviews, 138 commits in 8 months
Contributions summary:sjlleo primarily focused on improving the `ntrace-core` tool, making changes to the underlying TCP/UDP tracing logic. They refactored the real-time mode for better TTL-based concurrency and removed configuration file dependencies in the Lite version. The user also added support for the IPinfo commercial version to read ASN information and improved error handling in the API interactions. Additionally, they added functionality for specifying the starting TTL for traces and contributed to the IPv6 fast-trace feature.
apias-pathgeoiptraceroutetracking
sjlleo/netflix-verify
Feb 2021 - Jan 2023
流媒体NetFlix解锁检测脚本 / A script used to determine whether your network can watch native Netflix movies or not
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 releases, 1 review, 246 commits in 1 year 10 months
Contributions summary:sjlleo appears to be focused on developing the core functionality of the Netflix verification tool. Their contributions include the initial implementation of the core verification logic, including the functions for checking Netflix availability and identifying supported regions. They also made iterative improvements to the country code identification and added features like custom movie ID testing and proxy support, indicating a focus on enhancing the tool's capabilities and accuracy.
moviesnetflixcrawlersdetermineseries
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