Hi, I’m Li Yu. I’m a System Development Engineer with hands-on experience in backend (Java, Python, REST APIs), frontend (React, Vue), and database optimization (PostgreSQL, Oracle). I enjoy solving complex problems and delivering reliable, scalable solutions. At Foxconn I drove improvements that boosted system uptime, reduced query times, and automated workflows, all while collaborating effectively in fast-paced, Agile environments. I’m always eager to learn and apply new technologies to create secure, efficient enterprise applications.…

Li Yu

Hi, I’m Li Yu. I’m a System Development Engineer with hands-on experience in backend (Java, Python, REST APIs), frontend (React, Vue), and database optimization (PostgreSQL, Oracle). I enjoy solving complex problems and delivering reliable, scalable solutions. At Foxconn I drove improvements that boosted system uptime, reduced query times, and automated workflows, all while collaborating effectively in fast-paced, Agile environments. I’m always eager to learn and apply new technologies to create secure, efficient enterprise applications.…

Available to hire

Hi, I’m Li Yu. I’m a System Development Engineer with hands-on experience in backend (Java, Python, REST APIs), frontend (React, Vue), and database optimization (PostgreSQL, Oracle). I enjoy solving complex problems and delivering reliable, scalable solutions.

At Foxconn I drove improvements that boosted system uptime, reduced query times, and automated workflows, all while collaborating effectively in fast-paced, Agile environments. I’m always eager to learn and apply new technologies to create secure, efficient enterprise applications.

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Skills

Experience Level

React JS
Expert
Python
Expert
GitHub
Expert
JavaScript
Expert
AWS
Expert
Vue.js
Expert
SQL
Expert
PostgreSQL
Expert
Oracle
Expert
Node.js
Expert
Java
Expert
HTML5
Expert
CSS
Expert
Express
Expert
Docker
Expert
Django
Expert
Spring
Expert
Kubernetes
Expert
MongoDB
Expert
Socket.IO
Expert
TypeScript
Expert
API
Expert
Jira
Intermediate
Redis
Intermediate
SQLite
Intermediate
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Language

English
Fluent

Work Experience

System Development Engineer at Foxconn
October 1, 2023 - September 22, 2025
Achieved 99.9% system uptime through proactive maintenance, rapid bug resolution, and security monitoring using Java Spring Boot. Reduced average query time from 15s to 2s by optimizing multi-layered Oracle queries. Developed secure RESTful APIs with Python Flask enabling seamless integration between backend services and Vue-based dashboards. Designed and deployed an Access Control Data System (Vue + Flask + PostgreSQL) for tracking employee entry, improving data accuracy and reporting efficiency. Automated workflow forms (Flowable) and data parsing modules (Django + MinIO), reducing manual processing time by over 70%.
System Development Engineer at Foxconn
October 1, 2023 - September 22, 2025
Achieved 99.9% system uptime through proactive maintenance, rapid bug resolution, and security monitoring (Java – Spring Boot). Reduced average query time from 15s to 2s by optimizing multi-layered Oracle queries. Developed secure RESTful APIs (Python – Flask) enabling seamless integration between backend and Vue-based dashboards. Designed and deployed an Access Control Data System (Vue + Flask + PostgreSQL) for tracking employee entry, improving data accuracy and reporting efficiency. Automated workflow forms (Java – Flowable) and data parsing modules (Django + MinIO), reducing manual processing time by over 70%.
System Development Engineer at Foxconn
October 1, 2023 - September 22, 2025
Achieved 99.9% system uptime through proactive maintenance, rapid bug resolution, and security monitoring. Reduced average query time from 15s to 2s by optimising multi-layered Oracle queries. Developed secure RESTful APIs (Python – Flask) enabling seamless integration between backend and Vue-based dashboards. Designed and deployed an Access Control Data System (Vue + Flask + PostgreSQL) for tracking employee entry, improving data accuracy and reporting efficiency. Automated workflow forms (Java – Flowable) and data parsing modules (Django + MinIO), reducing manual processing time by over 70%.

Education

Master of Information Technology at The University of Auckland
January 1, 2024 - September 22, 2025
Bachelor of Computer Science and Technology at Harbin University of Commerce
January 1, 2018 - January 1, 2022
Master of Information Technology at The University of Auckland
January 1, 2024 - September 22, 2025
Bachelor of Computer Science and Technology at Harbin University of Commerce
January 1, 2018 - December 31, 2022
Master of Information Technology at The University of Auckland
January 1, 2024 - September 22, 2025
Bachelor of Computer Science and Technology at Harbin University of Commerce
January 1, 2018 - January 1, 2022

Qualifications

First Prize, C/C++ Programme Design of College Students Group B, the 10th LAN QIAO Cup National Software and Information Technology Professional Talents Contest in Heilongjiang Province
March 24, 2019 - September 22, 2025
First Prize, Mathematical Contest in Modeling of Three Northeastern Provinces
June 1, 2019 - September 22, 2025
Silver Prize, the 6th “CCB Cup” “Internet+” College Students Innovation and Entrepreneurship Competition in Heilongjiang Province
January 11, 2030 - September 22, 2025
National Encouragement Scholarship, Harbin University of Commerce
January 11, 2030 - September 22, 2025

Industry Experience

Software & Internet, Manufacturing, Professional Services, Education

Skills

Experience Level

React JS
Expert
Python
Expert
GitHub
Expert
JavaScript
Expert
AWS
Expert
Vue.js
Expert
SQL
Expert
PostgreSQL
Expert
Oracle
Expert
Node.js
Expert
Java
Expert
HTML5
Expert
CSS
Expert
Express
Expert
Docker
Expert
Django
Expert
Spring
Expert
Kubernetes
Expert
MongoDB
Expert
Socket.IO
Expert
TypeScript
Expert
API
Expert
Jira
Intermediate
Redis
Intermediate
SQLite
Intermediate
See more