Zhen Zhang
Engineering Manager at Rakuten
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolZhen Zhang is an engineering manager with 12 years of hands-on experience building and scaling full-stack web platforms, currently leading platform teams at Rakuten from Chiyoda, Japan. He is self-taught across JS/TS, Go, and Python and specializes in turning constrained resources into high business impact through scalability, operational efficiency, and team autonomy. Zhen led the transformation of a monolithic Python app into cloud-native Go microservices, drove a 100x MAU growth for a messenger gaming platform, and scaled an e-commerce collection to 16x peak throughput while slashing tail latency. He blends product-minded architecture (event-driven, Kubernetes, Jaeger tracing, GitOps) with pragmatic team processes like Kanban and “release early, release often.” Fluent in Japanese and experienced managing distributed Japan-China teams, he frequently bridges engineering, partners, and game studios to deliver SDKs, dev consoles, and APIs that power global gaming experiences.
12 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Japanese Language and Literature, Bachelor’s Degree, Japanese Language and Literature at Shanghai International Studies University
English, Japanese, Chinese
Github Skills (67)
file-parser10
chartjs-plugin10
hybrid10
rasterizer10
javascript10
browser10
compiler10
static-site-generator10
typescript10
ssg10
photoshop10
vercel10
nextjs10
psd10
react10
Programming languages (9)
Github contributions (5)
toruta39/qmk_firmware
Jun 2019 - Sep 2021
keyboard controller firmware for Atmel AVR and ARM USB families
Contributions:32 commits, 32 pushes, 1 branch in 2 years 3 months
controllerfirmwareavratmelusb
toruta39/threejs-dash-gen
Aug 2013 - Sep 2015
Contributions:22 commits, 2 pushes, 3 comments in 2 years 2 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.