Ian Yang

Shanghai, Shanghai, China

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Summary

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Rockstar

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Top School

Ian Yang is a versatile developer with 15 years of experience building high-performance services and full‑stack web applications, currently working on Nervos CKB and freelancing from Shanghai. He combines deep C/C++ systems expertise on Linux with modern Ruby on Rails backends and complex JavaScript frontends, shipping scalable systems in advertising, search, and games. Ian has led payments and mobile backend teams, improved legacy systems' performance dramatically, and designed APIs and architectures for large-scale services. An active open-source contributor, he’s enhanced popular projects like tmuxinator and contributed to the Nervos blockchain client and several Rails community apps. He emphasizes software engineering best practices—testing, refactoring, and extensible design—and has a solid foundation in computer science and math. Beyond code, he often bridges research and product needs, applying information retrieval and machine learning ideas to production systems.

15 years of coding experience

14 years of employment as a software developer

bachelor, Computer, bachelor, Computer at Central South University

English, Chinese

Stackoverflow

Stats

1,261reputation

116kreached

27answers

0questions

Github Skills (49)

ruby-rails10

javascript10

c-language10

testing10

configuration-management10

rspec10

rails10

capybara10

ruby10

font-rendering10

blockchain10

jasmine10

rust10

tmux10

game-development10

Programming languages (24)

C#MDXJavaC++RustCMakefileTeX

Github contributions (5)

nervosnetwork/ckb

Jan 2018 - Jan 2023

The Nervos CKB is a public permissionless blockchain, and the layer 1 of Nervos network.

Role in this project:

Back-end Developer

Contributions:104 releases, 832 reviews, 1547 commits in 5 years

Contributions summary:Ian's commits primarily focus on the implementation and modification of core functionality within the Nervos CKB blockchain project. They contributed to the inclusion of output indices in `hashes.toml` files, the customization of the genesis block, and the skipping of the block bytes verifier for the genesis block. They also removed the always_success script from general use and bumped the database version.

blockchainnervosckbrust

19wu/19wu

Dec 2012 - Dec 2016

19屋 - 专注于技术社区的活动平台, Based on Rails, AngularJS and Bootstrap

Role in this project:

Full-stack Developer

Contributions:261 commits, 3 PRs, 3 pushes in 4 years

Contributions summary:Ian primarily focused on setting up the testing environment and implementing various testing strategies. They configured RSpec, Capybara, and Jasmine for different testing levels (unit, integration, and JavaScript). The user also added and configured FactoryGirl to facilitate testing data and implemented integration tests for the landing page. They also worked on setting up basic layout and adding user authentication and profile features.

angularjsbootstraprails

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