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Hi, I’m Yufeng Zhang, a web developer with more than 20 years of experience. I live in Budapest, Hungary, and I have permanent residence, so I can work legally here. I enjoy thinking through problems, and I’m good at communicating and collaborating with colleagues to achieve shared goals. My background spans site reliability engineering, backend development, ERP systems, and cloud-based databases. I’ve worked with MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB in cloud environments, built internal tools with Node.js and Vue 3, and deployed projects using GitLab, Jenkins, and Docker. I’m excited to bring reliable, scalable software solutions to your team.…Hi, I’m Yufeng Zhang, a web developer with more than 20 years of experience. I live in Budapest, Hungary, and I have permanent residence, so I can work legally here. I enjoy thinking through problems, and I’m good at communicating and collaborating with colleagues to achieve shared goals. My background spans site reliability engineering, backend development, ERP systems, and cloud-based databases. I’ve worked with MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB in cloud environments, built internal tools with Node.js and Vue 3, and deployed projects using GitLab, Jenkins, and Docker. I’m excited to bring reliable, scalable software solutions to your team.

Yufeng Zhang

Web Developer, Front-End Developer, Back-End Developer, +5

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Hi, I’m Yufeng Zhang, a web developer with more than 20 years of experience. I live in Budapest, Hungary, and I have permanent residence, so I can work legally here. I enjoy thinking through problems, and I’m good at communicating and collaborating with colleagues to achieve shared goals. My background spans site reliability engineering, backend development, ERP systems, and cloud-based databases. I’ve worked with MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB in cloud environments, built internal tools with Node.js and Vue 3, and deployed projects using GitLab, Jenkins, and Docker. I’m excited to bring reliable, scalable software solutions to your team.…Hi, I’m Yufeng Zhang, a web developer with more than 20 years of experience. I live in Budapest, Hungary, and I have permanent residence, so I can work legally here. I enjoy thinking through problems, and I’m good at communicating and collaborating with colleagues to achieve shared goals. My background spans site reliability engineering, backend development, ERP systems, and cloud-based databases. I’ve worked with MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB in cloud environments, built internal tools with Node.js and Vue 3, and deployed projects using GitLab, Jenkins, and Docker. I’m excited to bring reliable, scalable software solutions to your team.

Available to hire

Hi, I’m Yufeng Zhang, a web developer with more than 20 years of experience. I live in Budapest, Hungary, and I have permanent residence, so I can work legally here. I enjoy thinking through problems, and I’m good at communicating and collaborating with colleagues to achieve shared goals.

My background spans site reliability engineering, backend development, ERP systems, and cloud-based databases. I’ve worked with MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB in cloud environments, built internal tools with Node.js and Vue 3, and deployed projects using GitLab, Jenkins, and Docker. I’m excited to bring reliable, scalable software solutions to your team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Chinese

Fluent

English

Fluent

Work Experience

Site Reliability Engineer at Pannjob

December 1, 2021 - November 10, 2025

Responsible for maintaining the cloud-based database system, solving daily customer problems, and performing routine upgrades to the cloud service system. Gained experience with cloud-based databases including MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB. Familiar with OpenStack. Contributed to rebuilding internal information management system using Node.js + Vue 3. Used GitLab, Jenkins, and Docker to deploy projects.

Developer at THELOGSYS LOGISTICS (Iplaza.eu)

November 1, 2021 - November 1, 2021

Built and maintained an internal ERP system using Laravel 7 + MySQL 8; deployed on an Azure server running CentOS. Gained experience deploying and maintaining projects on CentOS. Also contributed to a B2C e-commerce website built with Laravel 7 + MySQL 8 + JQuery. Used Django 3.0 + RocketMQ + MongoDB to crawl information from several websites.

Development Manager at Jiangsu Zhuniu Network Technology Co., Ltd (Zhuniu.com)

February 1, 2019 - February 1, 2019

B2B company in the construction industry; Built websites for online sales using Wordpress + MySQL 5.7 + JQuery; Developed Android apps (Java) for clients using Android Studio.

Web Developer at INSURANCE AGENCY (360bao.com)

February 1, 2015 - February 1, 2015

Backend developer; PHP + MySQL 5.7 + JQuery; built websites for online sales. Developed and used API interfaces provided by multiple insurance companies for online insurance.

Web Developer at CHINA FINANCE ONLINE (Jrj.com)

July 1, 2012 - July 1, 2012

Backend developer; ASP + C# + SQL Server + JavaScript. Also used Delphi to develop real-time stock information software with C/S architecture.

Web Developer at HC GROUP (Hc360.Com)

October 1, 2006 - October 1, 2006

Backend developer; ASP + SQL Server + JavaScript. Also used Visual Basic to build and maintain desktop software with a C/S architecture.

Site Reliability Engineer at Pannjob

December 1, 2021 - November 17, 2025

Responsible for maintaining cloud-based database systems, solving daily customer problems, and performing routine upgrades to the cloud service system. Gained hands-on experience with cloud-based databases such as MySQL, PostgreSQL, MSSQL, MongoDB, and GaussDB, and with OpenStack. Rebuilt an internal information management system using Node.js and Vue 3. Used GitLab, Jenkins, and Docker to deploy projects.

Site Reliability Engineer at Pannjob, Budapest

December 1, 2021 - November 17, 2025

Responsible for maintaining the database system based on cloud, solving daily customer problems, and performing routine upgrades to the cloud service system. Gained deeper knowledge of cloud-based databases (MySQL, PostgreSQL, MSSQL, MongoDB, GaussDB) and OpenStack. Also rebuilt the internal information management system using Node.js + Vue 3. Employed GitLab, Jenkins, and Docker for project deployment.

Developer at THELOGSYS LOGISTICS (Iplaza.eu), Budapest

November 1, 2021 - November 1, 2021

Built and maintained an internal ERP system using Laravel 7 + MySQL 8, deployed on Azure on CentOS. Also supported a B2C e-commerce site with Laravel 7 + MySQL 8 + jQuery. Used Django 3.0 + RocketMQ + MongoDB to crawl information from several websites.

Development Manager at Jiangsu Zhuniu Network Technology Co., Ltd (Zhuniu.com), Suzhou

February 1, 2019 - February 1, 2019

Led development for a B2B construction industry company. Built websites for online sales with Wordpress + MySQL 5.7 + jQuery and developed Android apps in Android Studio (Java).

Web Developer at INSURANCE AGENCY (360bao.com), Beijing

February 1, 2015 - February 1, 2015

Backend developer using PHP + MySQL 5.7 + jQuery to build online sales websites. Developed and consumed API interfaces from multiple insurance companies for online insurance.

Web Developer at CHINA FINANCE ONLINE (Jrj.com), Beijing

July 1, 2012 - July 1, 2012

Backend developer building and maintaining websites with ASP + C# + SQL Server + JavaScript. Also used Delphi to develop real-time stock information software with a client/server architecture.

Web Developer at HC GROUP (Hc360.Com), Beijing

October 1, 2006 - October 1, 2006

Backend developer using ASP + SQL Server + JavaScript to build and maintain the website. Also used Visual Basic to develop desktop software with a C/S architecture.

Site Reliability Engineer (SRE) at Pannjob

December 1, 2021 - November 17, 2025

Maintains cloud-based database systems, resolves daily customer issues, and performs routine upgrades. Gained exposure to cloud databases such as MySQL, PostgreSQL, MSSQL, MongoDB and GaussDB; familiar with OpenStack; rebuilt internal information management system using Node.js and Vue 3; deployment with GitLab, Jenkins, and Docker.

Web Developer at 360bao Insurance Agency

February 1, 2015 - February 1, 2015

Backend development for online insurance sales using PHP, MySQL 5.7 and jQuery; integrated API interfaces from multiple insurance companies for online insurance.