dan z.
Hangzhou, China
100%
Job Success
Expert Web and App Developer and System Architect
$10.00/hr
Hi, my name is Dan Zheng. I have more than 14 years of experience in system R&D and technology management with national system architect qualification, and are professional at system architecture design, core module development, trouble shooting, and new technologies implementation.
I contribute to some famous open source projects such as spring-boot, spring-security, apache skywalking, alibaba easyexcel, etc.
Topcoder is the world largest crowdsourcing competition platform with over 1 million developers, my handle is savon_cn, and I get rank 30 in development challenges.
Work history
Work history
implement FE react code
3.75
Jun 7, 2023
-
Sep 25, 2023
Private earnings
Implement WebClient code
5.00
Jul 26, 2023
-
Aug 20, 2023
Private earnings
Deploying a spring boot war file
4.85
Jun 14, 2023
-
Jun 16, 2023
"It was a great experience working with Dan. He responded immediately after I messaged him and started the task at the same day and it also was finished the same…
Private earnings
Milestone 1
5.00
Nov 23, 2022
-
Jun 1, 2023
"A++ Thank you Dan for your help."
Private earnings
Recursive SQLite query
5.00
Oct 11, 2022
-
Oct 11, 2022
"Freelancer completed the job without problems and very quickly too! Will hire again!"
Private earnings
dan z. has more jobs. Create an account to review them