Wenkai Fan
Backend Engineer at ByteDance
Beijing, Singapore
Summary
👤
Senior🎓
Top SchoolWenkai Fan is a backend engineer with a decade of experience building payment and large-scale services across fintech and mobility — currently contributing at both ByteDance and Hopper after impactful backend roles at PayPal and Grab. He designed a buy-now-pay-later system used by nearly 200 million users and built resilient payment flows and search APIs using Golang, gRPC, and microservices, demonstrating strong system design and production incident experience. Comfortable across JVM and Go ecosystems, he has boosted test coverage dramatically and led integrations end-to-end with downstream and QA teams. His early robotics work with ROS and embedded systems hints at a pragmatic, systems-minded approach and a taste for cross-disciplinary engineering. Based in Beijing and trained at NUS, he pairs product-focused engineering with a knack for simplifying complex workflows into reliable services.
10 years of coding experience
2 years of employment as a software developer
Computer Science, Computer Science at National University of Singapore
Chinese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (36)
sparse10
depth-estimation10
open3d10
triangle10
visual-odometry10
rgb10
structure-from-motion10
slam-algorithms10
slam10
stereo10
3d-reconstruction10
odometry9
surface9
visual-studio9
kd-tree9
Programming languages (3)
Github contributions (5)
Lancelot899/discrete_differential_geometry
Feb 2022 - Apr 2022
Contributions:6 commits, 7 pushes, 1 branch in 2 months
Lancelot899/dso
Nov 2016 - Jan 2018
Contributions:14 pushes, 1 branch in 1 year 2 months
odometrydirectsparse
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