Vanmanh Dao
Software Engineer at PayPay Card
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolVanmanh Dao is a backend software engineer with 11 years' experience building high-performance, failover-resilient services, currently working at PayPay Card in Tokyo. He has designed and implemented core features for large-scale payment systems at Rakuten and decomposed legacy platforms into microservices at Money Forward, routinely working with Go, gRPC, Protocol Buffers, MySQL and cloud-native tooling. An active open-source contributor and speaker, he published tools such as mysql_warmup and has presented practical talks on unique ID generation and async RPC in Go. Comfortable across Ruby/Rails and Java stacks as well, he mentors teams on Kubernetes and CI/CD and focuses on turning large data volumes into actionable customer insights. Colleagues know him for combining pragmatic engineering with a clear emphasis on observability and failover testing.
11 years of coding experience
13 years of employment as a software developer
Bachelor of Engineering - BE, Computer Software Engineering, Good, Bachelor of Engineering - BE, Computer Software Engineering, Good at Hanoi University of Science and Technology
Vietnamese, Japanese, English
Github Skills (99)
vector-search10
realtime10
in-memory-database10
message-queue10
nosql10
golang10
database10
json10
key-value-store10
in-memory10
distributed-systems10
data-structure10
radix-tree10
caching10
redis10
Programming languages (7)
Github contributions (5)
manhdaovan/til
May 2018 - Jun 2024
Contributions:1 push, 1 branch, 1 comment in 6 years 2 months
manhdaovan/dmemo
Jun 2019 - Dec 2023
Contributions:2 PRs, 1 branch in 4 years 7 months
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