Xiaoxin Xu
Senior Backend Developer at Lemfi
Based in London, United Kingdom
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Seniority
Staff
Department
Information Technology
Location
London
Industry
Financial Services
Company size
456
Contact information
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x•••••••@lemfi.com
Phone
5 credits+44 ••• •••• ••••
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Background
About Xiaoxin Xu
With over 14 years of experience in the tech industry, I have built a career specializing in high-concurrency backend systems, payment infrastructure, and cloud-native architecture. I spent the majority of my career at Tencent, where I served as a Senior Backend Engineer and later a Technical Manager, primarily responsible for the QQ Membership Payment System and cross-product initiatives like the QQCoin Order Management System. My technical stack includes strong proficiency in Go, Python, and C++, with deep understanding of Linux kernel internals, network protocols (TCP/IP, FIX), concurrent programming, and distributed systems. I'm also well-versed in microservices architecture, Kubernetes, CI/CD, and cloud platforms like Tencent Cloud, AWS and GCP. I have work right in the UK.
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