Seungjin Oh
Software Engineer at Electronic Arts (EA)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolSeungjin Oh is a software engineer with over a decade of experience building high-performance back-end systems for games and web services, currently at Electronic Arts in Seoul. He has led cross-functional teams and delivered scalable microservices and real-time systems that supported hundreds of thousands of concurrent users and reduced operational load during peak events. His expertise spans Node.js, Go, event-driven architectures, service mesh (Istio), Redis, and OAuth2/OpenID Connect, with hands-on experience optimizing CPU and synchronization across multi-marketplace platforms. Seungjin has repeatedly driven reliability through load testing, test-driven development, and pragmatic refactors, and he’s comfortable both implementing core game server features and designing platform-wide authentication and routing solutions. A background in digital media and long tenure in AAA game development give him an unusual blend of low-latency engineering and product-focused systems thinking. Colleagues rely on him to translate performance constraints into practical architectural changes that scale in live-service environments.
10 years of coding experience
13 years of employment as a software developer
Bachelor's degree, Digital media / Information and computer engineering, Bachelor's degree, Digital media / Information and computer engineering at Ajou University(아주대학교)
Github Skills (46)
browser10
docker-engine10
tiling9
javascript9
python9
docker9
docker-swarm9
stacked9
api9
window-manager9
i39
macos8
twemproxy8
sentinel7
neovim6
Programming languages (6)
Github contributions (5)
crierr/idl_to_type
Jul 2018 - Jun 2021
Contributions:26 commits, 7 PRs, 20 pushes in 2 years 11 months
crierr/island
Nov 2016 - Nov 2017
Contributions:2 PRs, 28 pushes, 4 branches in 1 year
golangsuitemicroservicemicroservices
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