Lai Xuancheng
Senior Full Stack Engineer - Node React at Deel
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolLai Xuancheng is a Senior Full Stack Engineer based in São Paulo with 11 years of experience building scalable web and backend systems using TypeScript, Node.js, and React. He has shipped production-grade, event-driven microservices and secure REST APIs for payroll and EOR domains at Deel, and led frontend efforts that scaled HR products to thousands of companies at Caju. A self-taught, proactive engineer, Lai pairs strong testing and automation practices (Jest, Cypress, CI/CD) with pragmatic UX improvements across React, Next.js and React Native. He is comfortable across the stack—databases, cloud, observability and frontend architecture—and has navigated both startup and enterprise contexts including crypto and financial services. Beyond code, he mentors junior engineers and emphasizes clean, organized implementations that reduce maintenance burden. Lai maintains a public portfolio (GitHub: lai32290, blog: a-dev.day) that surfaces his practical, hands-on approach to complex problems.
11 years of coding experience
10 years of employment as a software developer
System Analyze and Development, System Analyze and Development at Faculdade de Tecnologia de Americana (FATEC)
Chinese, taiwanes, English, Portuguese
Stackoverflow
8,338reputation
1.2mreached
27answers
159questions
wpf
top-5%
xaml
top-5%
Github Skills (200)
jquery-plugin10
aprender10
npm-package10
traffic10
wordpress10
jsdelivr10
html-table10
phantomjs10
columns10
jquery-ui10
npm10
chrome10
que10
perfect9
javascript9
Programming languages (12)
Github contributions (5)
lai32290/cadepacote
Jul 2016 - Sep 2016
Contributions:39 commits, 21 pushes, 2 branches in 2 months
lai32290/TableHeadFixer
May 2015 - Sep 2018
A jQuery plugin for fix HTML table Head, Foot and Columns
Contributions:41 commits, 5 PRs, 37 pushes in 3 years 3 months
fixjqueryjavascriptjquery-uihead
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