Skip to content

Cheng Kun

Frontend Architect/Tech Lead/Full Stack

Everything happens for the best

Cheng Kun portrait
10+
Years
7
Live products
99.95%
Financial SLA
FE · BE
Full-stack
13560324690270857006@qq.comChina10 years experienceGitHub

Over 10 years in frontend and full-stack work as an architect and tech lead. Deep experience with React / Vue / Next.js and the Node.js ecosystem, plus cloud-native, microservices, and test automation. Led financial-grade systems and large-scale web apps—including institutional trading platforms serving hundred-billion-level business. Also shipping a product matrix for global users (AI task marketplace, hotspot aggregator, options desk, map-based social) and enterprise sites. Strong in performance, SEO, engineering, and team leadership, with results such as 40%+ organic traffic growth and 99.95% SLA.

Selected Work

More work

Overseas Video Platform & Tech Middle Platform

Overseas Video Platform & Tech Middle Platform

Tech Lead / Frontend Architect

2025.02

Led frontend architecture and end-to-end implementation for overseas video content sites. Built a unified solution for multi-domain / multi-product / multi-language. Implemented hybrid SSR/SSG and custom SEO strategies (critical CSS inlining, prefetching, edge caching). Achieved first screen <1s and Lighthouse >90. Built video processing and CDN distribution; consolidated into a reusable internal platform.

Next.jsReactSSR/SSGSEO
UI Automation Testing System

UI Automation Testing System

Lead Developer

2023.10

Automation platform powered by ChatGPT + Playwright. Supports semantic test case input and auto-generates executable tests (Python). Covered 500+ core components, executing 300+ test runs daily, reducing defect discovery cycle by 40%.

ChatGPTPlaywrightPython
IFS File Management System

IFS File Management System

Core Developer

2023.01

Built a frontend-driven engine for dynamic PDF / Excel / Word generation (portfolio reports, e-signature, chart embedding, HTML template rendering). Rewrote parts of an npm signing library for PDF signature compatibility and formed a company-wide solution. Processed 1000+ doc generation requests per day.

Node.jsPDF.jsExcelJS
Yingmi Financial Core Systems

Yingmi Financial Core Systems

Architect / Core Developer

2021.01

Including ITS3.0 trading (hundred-billion-level business), OX operations, advisory systems, and more. Built 100+ visualization charts and kept core flows stable. Designed microservice architecture and tech stack, optimized high-concurrency trading (response <500ms, SLA 99.95%). Built a unified auth center and trading log analytics platform.

ReactUmiJSEgg.jsNode.js
Health Management & IAC Validation Center

Health Management & IAC Validation Center

Core Developer

2018.04

Frontend for health management system, portal and WeChat Official Account. Integrated DXY data via Chrome extension and injected into workflows. Implemented Excel import and validation on frontend. Contributed to IAC validation center (React + Koa2) with robust FE-BE collaboration and form validation.

ReactVueAnt DesignKoa2

Skills

Frontend

ReactVueNext.jsTypeScriptTailwind CSSViteWebpacki18n

Backend

Node.jsRESTful APISSR / SSGServer ActionsWebAssemblySEO

Cloud Native

DockerKubernetesAWSGCPAlibaba CloudCloudflareVercel

Data / Visualization

EChartsAnt Design ChartsD3.jsPDF.jsExcelJS

Test Automation

PlaywrightJestAI-driven E2E

Database

MySQLPostgreSQLRedisMongoDB

Engineering

PerformanceCI/CDMonorepoDesign SystemTech LeadershipLighthouse

Experience

  1. Overseas Internet Technology Co., Ltd.

    Senior Frontend Architect

    2025.02 - Present

    • Led frontend architecture for an overseas video content platform; unified multi-domain, multi-product architecture
    • Implemented custom SEO strategy and deep performance optimization with SSR; increased Google organic traffic by 40%+
    • Built video file processing pipeline and delivered 8+ language internationalization
    • Created a reusable tech platform for content sites; 50k+ DAU; first screen <1s
    • Lighthouse >90 and 99.9% system uptime
  2. Yingmi Fund Sales Co., Ltd.

    Frontend Team Lead

    2020.03 - 2025.01

    • Led multiple core financial systems (ITS3.0 Hummingbird institutional trading, OX operations, etc.)
    • Supported hundred-billion-level institutional business; response time <500ms; SLA 99.95%
    • Built a UI automation testing platform covering 500+ components; shortened defect discovery cycle by 40%
    • Developed the IFS file management system; processed 1000+ document generation requests per day
    • Led a 10-person frontend team in solution reviews and critical problem solving
  3. Guangzhou CVTE Co., Ltd.

    Frontend Engineer

    2018.04 - 2020.03

    • Contributed to health management and expense control / EAM systems
    • Led Vue.js + H5 development and optimized data visualization components
    • Built a Chrome extension to integrate DXY data and improved product UX
  4. Midea Group (Headquarters IT Center)

    Web Frontend

    2017.02 - 2018.03

    • Developed the Meijiebao smart business travel system; contributed to spare-parts mall and expense control projects
    • Led Vue 2.0 engineering practices and optimized critical business flows

Education

Guangdong University of Technology

B.S. in Information and Computational Science

2012 - 2016

Certificates

CET-6 (College English Test - Band 6)
Fund Practitioner Qualification (China)