dan z.
Hangzhou, China
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
Jun 7, 2023
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Sep 25, 2023
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Implement WebClient code
Jul 26, 2023
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Aug 20, 2023
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Deploying a spring boot war file
Jun 14, 2023
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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…
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Milestone 1
Nov 23, 2022
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Jun 1, 2023
"A++ Thank you Dan for your help."
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Recursive SQLite query
Oct 11, 2022
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Oct 11, 2022
"Freelancer completed the job without problems and very quickly too! Will hire again!"
Private earnings
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