Jiwoong Jung
Engineering Manager at 당근
Seoul Incheon Metropolitan Area South Korea
Summary
👤
Senior🎓
Top SchoolJiwoong Jung is an engineering manager with 11 years’ experience building backend systems and leading teams in Seoul’s fast-moving product landscape. Currently leading Notifications Experience at 당근, he rebuilt a pipeline handling over 24 billion monthly notifications, introduced a threaded MySQL-sharded inbox, and maintains the company-wide IDL—demonstrating a focus on low complexity and low communication cost across customer, infra, and code. His background spans server engineering, scraping infrastructure, and compliance-focused projects (MyData network separation), giving him both product-facing and foundation-system chops. Known for shipping pragmatic, scalable solutions—from mobile game backends and in-app purchase integrations to personalized notification experiments—he combines hands-on implementation with team-level architectural stewardship.
11 years of coding experience
7 years of employment as a software developer
이학사 경제학사 수학 경제학, 이학사 경제학사 수학 경제학 at Incheon National University
Github Skills (102)
code-generation10
grpc-node10
enums10
grpc-web10
protobuf10
dataloader10
twirp10
nestjs10
grpc9
generator9
typescript9
rewrite8
naming-conventions8
git-commit7
swift7
Programming languages (13)
Github contributions (5)
kanziw/repeating-task-manager
May 2018 - Jan 2023
Repeating task manager using tail recursion for Node.js
Contributions:1 release, 8 PRs, 14 pushes in 4 years 8 months
waitstatelessnode-jstailjavascript
kanziw/kanziwjs
Apr 2022 - Aug 2024
A collection of utility libraries used by kanziw.
Contributions:1 review, 55 PRs, 64 pushes in 2 years 4 months
kanziweslintjavascriptaes-256-gcmcipher
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