Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am an experienced Java Developer with over 8 years of professional experience in designing, developing, and maintaining software systems. I hold a Master of Science in Computing with a specialization in Secure Software Engineering from Dublin City University, and I am proficient in programming languages and frameworks including Java, SQL, JavaScript, HTML/CSS, Spring, and Hibernate. I am a strong team player with excellent collaboration skills, committed to continuous learning and adapting to new technologies. My expertise lies in backend development, software testing, and problem solving, which I have demonstrated across multiple complex projects in transportation and epidemic monitoring systems.…I am an experienced Java Developer with over 8 years of professional experience in designing, developing, and maintaining software systems. I hold a Master of Science in Computing with a specialization in Secure Software Engineering from Dublin City University, and I am proficient in programming languages and frameworks including Java, SQL, JavaScript, HTML/CSS, Spring, and Hibernate. I am a strong team player with excellent collaboration skills, committed to continuous learning and adapting to new technologies. My expertise lies in backend development, software testing, and problem solving, which I have demonstrated across multiple complex projects in transportation and epidemic monitoring systems.

Di Zhang

Programmer, Developer, Back-End Developer





I am an experienced Java Developer with over 8 years of professional experience in designing, developing, and maintaining software systems. I hold a Master of Science in Computing with a specialization in Secure Software Engineering from Dublin City University, and I am proficient in programming languages and frameworks including Java, SQL, JavaScript, HTML/CSS, Spring, and Hibernate. I am a strong team player with excellent collaboration skills, committed to continuous learning and adapting to new technologies. My expertise lies in backend development, software testing, and problem solving, which I have demonstrated across multiple complex projects in transportation and epidemic monitoring systems.…I am an experienced Java Developer with over 8 years of professional experience in designing, developing, and maintaining software systems. I hold a Master of Science in Computing with a specialization in Secure Software Engineering from Dublin City University, and I am proficient in programming languages and frameworks including Java, SQL, JavaScript, HTML/CSS, Spring, and Hibernate. I am a strong team player with excellent collaboration skills, committed to continuous learning and adapting to new technologies. My expertise lies in backend development, software testing, and problem solving, which I have demonstrated across multiple complex projects in transportation and epidemic monitoring systems.

Available to hire

I am an experienced Java Developer with over 8 years of professional experience in designing, developing, and maintaining software systems. I hold a Master of Science in Computing with a specialization in Secure Software Engineering from Dublin City University, and I am proficient in programming languages and frameworks including Java, SQL, JavaScript, HTML/CSS, Spring, and Hibernate.

I am a strong team player with excellent collaboration skills, committed to continuous learning and adapting to new technologies. My expertise lies in backend development, software testing, and problem solving, which I have demonstrated across multiple complex projects in transportation and epidemic monitoring systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Chinese

Fluent

English

Advanced

Work Experience

Java Developer at Xintu network technology

July 31, 2023 - August 21, 2025

Developed backend interfaces for an online ticketing system for intercity buses using Java SE, Java EE, and Oracle. The system served millions across two provinces and generated over ¥100 million RMB annually. Developed the web-based settlement system that processed hundreds of thousands of transactions daily and integrated with bus companies, third-party platforms, banking systems, and payment platforms. Maintained system operation by releasing new versions, fixing bugs, and managing database abnormalities. Developed backend and management systems for a Covid-19 epidemic monitoring system covering millions of people. Recognized multiple times as Outstanding Employee and part of Outstanding Team awards.

Java Developer at BSD Development

October 31, 2017 - August 21, 2025

Utilized Java SE, Java EE, Struts, Spring, Hibernate, JavaScript, HTML and Oracle to develop a road construction supervision system and performed daily data maintenance and bug fixes. Developed and maintained an internal employee management system implemented for company-wide use.

Java Developer at Xintu network technology

July 31, 2023 - August 21, 2025

Developed backend interfaces of an online ticketing system for intercity buses serving millions of users and generating significant annual revenue. Built web-based settlement system processing hundreds of thousands of transactions daily, integrating with bus companies, third-party platforms, banks, and payment systems. Maintained system operation through updates, bug fixes, and database management. Developed backend and management system for a covid-19 epidemic monitoring platform to analyze travel records and prevent epidemic spread, covering millions of people. Awarded Outstanding Employee recognition multiple times along with team awards.

Java Developer at BSD Development

October 31, 2017 - August 21, 2025

Developed and maintained a road construction supervision system and an internal employee management system using Java and various frameworks. Was responsible for daily data maintenance and bug fixes ensuring system reliability and functionality within the company.