Alex Duan
Software Engineer at taosdata
Beijing, China
Summary
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RockstarAlex Duan is a seasoned security technology leader and co-founder/CTO with over a decade of deep expertise across network, cloud, mobile and IoT security, and five years leading his current company Qidsc from Beijing. He has driven enterprise mobile security innovation—BYOD, mobile sandboxing, EMM and identity authentication—combining product planning, pre-sales, and R&D across startups and established firms like NationSky, NSFOCUS and 360 Enterprise Security Group. Alex is both a strategist and a hands-on builder who translates complex enterprise requirements into deployable security platforms and services. His background spans end-to-end product lifecycles from testing and pre-sales to executive technical leadership, giving him a rare cross-functional fluency. He also contributes to the TDengine ecosystem on GitHub, reflecting an interest in time-series/datastore technologies that complement security telemetry and analytics. Based in Changping District, Beijing, he blends entrepreneurial grit with practical engineering to make mobile environments safer and smarter.
5 years of coding experience
Github Skills (56)
sql-client10
timeseries-database10
monitoring10
sqlite10
postgresql10
data-exploration10
python10
asf10
nosql10
snowflake10
data-science10
mysql10
data-engineering10
databricks10
time-series10
Programming languages (5)
Github contributions (5)
taosdata/TSZ
Jul 2021 - May 2022
Error-bounded Lossy Data Compressor For Float Double
Contributions:1 release, 14 commits, 1 PR in 9 months
lossycompressordoublefloaterror
taosdata/node-red-node-tdengine
May 2025 - Nov 2025
The official plugin developed by TDengine for Node-RED.
Contributions:2 reviews, 3 PRs, 37 pushes in 5 months
node-redtdengine
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