Summary
Overview
Work History
Education
Skills
Certification
Selected Projects
Timeline
Generic

KAI LIU

South Surrey,Canada

Summary

Full-stack Web Developer with over 8 years of experience in designing and operating secure Java/JavaScript applications on Linux. Proficient in the entire software development lifecycle, including requirements gathering, architecture, coding, CI/CD, and production support. Demonstrated ability to lead cross-functional teams, delivering projects on time while maintaining high-quality standards. Expertise in machine learning, predictive modeling, and big data analytics, with a strong foundation in object-oriented programming and software architecture.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Software Engineer / Project Manager

JuWei Technology
Remote / Qingdao, China
01.2015 - 04.2023
  • Led full‑lifecycle delivery of Haier Group’s Mold Lifecycle Cloud Platform, a Spring Boot + React portal adopted by five manufacturing sites (> 1,200 daily users).
  • Designed RESTful APIs & MySQL schema; lowered P95 latency to < 250 ms via indexing & Redis caching.
  • Built responsive UI with React & Redux; Lighthouse performance > 95, zero CLS issues.
  • Implemented SSO (OAuth 2.0) & RBAC; third‑party pen‑test reported 0 critical findings.
  • Deployed blue‑green CI/CD on Jenkins + Docker + Nginx, cutting release cycle from 2 weeks to 1 day and rollback to < 5 min.
  • Hooked Prometheus/Grafana alerts that trimmed MTTR by 35 %.
  • Created a Java scaffolding CLI to generate micro‑service & React module templates, boosting team productivity 70 %.

Software Developer

Hexagon
Qingdao, China
01.2010 - 12.2014
  • Developed and maintained a Sales Management System for regional teams using a low‑code platform, replacing a legacy VB app.
  • Delivered 30+ automated workflows and analytics dashboards, cutting feature delivery time by 50 %.
  • Integrated CRM data with Oracle backend via REST services, reducing manual data entry errors by 40 %.
  • Partnered with sales operations to automate monthly performance reporting, saving ~20 hours per cycle.

Education

B.Sc. - Computer Science

Jiangnan University
01.2010

Skills

  • Java and Python
  • API design and development
  • Microservices architecture
  • Database management systems
  • Frontend and backend development
  • JavaScript and TypeScript frameworks
  • HTML5 and CSS3
  • Spring Boot, MVC, and Security
  • React and Angular frameworks
  • Version control with Git and SVN
  • Continuous integration with Jenkins
  • Containerization with Docker
  • Web server management (Nginx, Apache)
  • Build tools (Webpack, Npm)
  • LangChain and GPT-4o integration
  • Streamlit and FastAPI applications
  • Data analysis with Scikit-learn and Pandas
  • OWASP Top-10 mitigation strategies
  • Penetration testing techniques (Burp Suite, OWASP ZAP)
  • Performance testing (K6 load testing)
  • MySQL slow-query analysis

Certification

Data Science Certificate, Lighthouse Labs, 2024

Selected Projects

  • Stock Movement Prediction Dashboard, 2024, React front-end + FastAPI + MySQL; WebSockets push real-time quotes, bundle size decreased from 1.2 MB → 550 kB via code-splitting.
  • GPU Compute-Farm Admin Portal, 2024, Angular + Spring Boot app to manage GPU clusters—quotas, job scheduling, usage analytics—with secure role-based access control.
  • AI-Enabled Financial Dashboard, 2025, Streamlit UI + LangChain agents on GPT-4o for natural-language queries over live market data; WebSocket streaming & Redis caching keep median latency < 400 ms.

Timeline

Software Engineer / Project Manager

JuWei Technology
01.2015 - 04.2023

Software Developer

Hexagon
01.2010 - 12.2014

B.Sc. - Computer Science

Jiangnan University

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KAI LIU