Lei Xu
Senior Staff Software Engineer, Tech Lead, Architect, Tencent Cloud Big Data Platform
Singapore, Singapore
Summary
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Senior🎓
Top SchoolLei Xu is a Senior Staff Software Engineer and tech lead specializing in cloud-native big data orchestration, currently shaping Tencent Cloud's data + AI platform from Singapore. With nine years across fintech, security, and cloud—at PayPal, V-Key and Tencent—he blends deep Core Java and cryptography expertise with practical experience building schedulers, metadata systems, and high-availability simulation platforms. He has led cross-functional teams of up to eight engineers to deliver unified scheduler and metadata infrastructures used in both public and private cloud products (WeData, TBDS). A pragmatic architect who refactors legacy systems into extensible engines, he emphasizes design patterns, SOLID principles, and production-grade reliability. Outside core projects he mentors engineers, drives CI/CD and API standards, and maintains an open-source mindset evident in his GitHub focus on internet, big data, payment and security tooling.
9 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at National University of Singapore
English, Chinese
Github Skills (31)
keystore8
coders7
explore6
decryption6
dozer5
draw5
webcrypto5
http-api4
java4
internet4
keytool4
certificate3
mocking3
cryptography3
encryption3
Programming languages (1)
Github contributions (5)
xljiadahao/HelloCrypto
Oct 2016 - Jul 2019
Let's start to explore Cryptography. It's a very good project for the coders who would like to take the cryptography security concept away and bring it to their projects. The HelloCrypto lucky draw system with practice of the java keytool can be used by any organisation for their events.
Contributions:2 releases, 27 commits, 2 PRs in 2 years 8 months
keytoolluckydrawbring-itluckylet
xljiadahao/Snippets
Oct 2016 - Jan 2020
Java Code Snippets, learn, practice and reuse. There are topics about Message Queue, Dozer Mapper (deep clone), Java 8 Features, Concurrency with ThreadLocal and CountDownLatch, Hadoop, RxJava, Spring Statemachine.
Contributions:24 pushes, 1 branch in 3 years 3 months
rxjavajava-8reusejava8jdbc
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