Jiachi Liu - Software Engineer at Vercel

Jiachi Liu

Software Engineer at Vercel

Berlin, Germany

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Summary

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Jiachi Liu is a software engineer with 11 years of experience building performant web platforms and developer tooling from Berlin, currently contributing to the Next.js framework at Vercel. He blends front-end craftsmanship with backend know-how, having improved core React and Vercel projects—fixing Next.js edge routes, SSG deployment paths, and enhancing data-fetching behavior in the popular swr library. Previously he shaped Hulu’s web player UX and playback stack and helped introduce React Native capabilities at Zhihu, demonstrating a pattern of shipping user-facing features and cross-platform integrations. Known for a minimalist approach to building things, he focuses on pragmatic fixes and test-backed improvements that boost reliability and developer experience. Active in high-profile open-source repos like React and Vercel, he brings both production-scale engineering and thoughtful attention to compatibility and SSR nuances.

11 years of coding experience

5 years of employment as a software developer

Southeast University

Chinese, English

Stackoverflow

Stats

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0reached

0answers

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Github Skills (34)

caching10

hook10

javascript10

swr10

vercel10

fetchr10

jes10

css10

css-in-js10

fetcher10

typescript10

nextjs10

ui-design10

front-end-development10

jestjs10

Programming languages (8)

TypeScriptMDXCSSC++RustJavaScriptHTMLBrightscript

Github contributions (5)

vercel/swr

May 2020 - Jan 2023

React Hooks for Data Fetching

Role in this project:

Front-end Developer

Contributions:21 releases, 384 reviews, 153 commits in 2 years 8 months

Contributions summary:Jiachi primarily contributed to the `vercel/swr` repository, a React Hooks library for data fetching. The user's commits focused on fixing data inconsistencies, updating cache behavior, and adding test cases, specifically targeting issues related to key changes, local mutations, and error handling within the library. They also worked on removing mutate calls from the cache and ensuring the library functions correctly in various scenarios, demonstrating a focus on improving the core functionality of the data fetching hooks.

stale-while-revalidatedata-exchangereactdatareact-native

vercel/next-react-server-components

Oct 2021 - Jul 2022

Demo repository for Next.js + React Server Components

Role in this project:

Full-stack Developer

Contributions:6 reviews, 12 commits, 29 PRs in 9 months

Contributions summary:Jiachi primarily focused on enhancing the frontend components of the Next.js application, specifically implementing features like item routes, comment sections, and error handling. They integrated React Server Components to improve performance and optimized the user interface by styling and theming components using styled-jsx. Furthermore, they contributed to the project's core functionality by replacing router configurations with getServerSideProps.

next-jsreactreact-server-componentsreact-next-jsreact-js

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