Roy Cho
Back End Developer at SURROMIND
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolRoy Cho is a seasoned back-end developer with 13 years building high-performance game servers, cloud-native systems, and blockchain payments from Seoul. He blends deep systems experience (Boost.Asio, IOCP, Redis) with modern cloud-first practices—AWS serverless, Lambda, SQS, DynamoDB and Terraform/CloudFormation—to deliver scalable production services. Roy has led game teams and platform engineering work, shipping online game middleware and MEAN-stack web apps while operating Bitcoin, Ethereum and ERC20 nodes and custom private-chain integrations. More recently he focuses on LLM-powered RAG workflows and LangChain prototypes, bridging AI tooling with real-world serverless architectures. Notably, he moves easily between low-level networking and cloud automation, and has repeatedly implemented end-to-end blockchain payment and NFT systems in production. Based in Seoul, he brings a pragmatic mix of legacy C++/networking craft and modern cloud/AI/blockchain stacks.
13 years of coding experience
15 years of employment as a software developer
Game Producer course, Game Producer course at Tongmyong University of Information TechnologyClient / Server Course, Client / Server Course at Bit Academy
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (22)
staging10
bitcoin10
bitcoin-core10
cryptocurrency10
cryptography10
p2p10
crypto9
blockchain9
ethereum9
golang6
go6
korean-nlp5
abi4
nlp3
chatbot3
Programming languages (5)
Github contributions (5)
chenbk85/job_mobile
Jan 2013 - Jan 2013
Contributions:10 commits in 1 day
12shipsDevelopment/community-12
Dec 2018 - Sep 2019
AngularJS Bootstrap Admin Panel Framework
Contributions:100 pushes in 9 months
bootstrap4admin-paneladminbootstrap-adminadmin-dashboard
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