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Sueun Cho

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🚀 Founder & Builder

Coinhelio

Building the next generation crypto analytics platform


⚡ Kernel Optimization Challenge

Kernel Optimization Beat Claude Recruiting Threshold

Kernel Optimization Challenge - Rank #64

Anthropic's low-level performance optimization competition


👨‍💻 About Me

Software Engineer specializing in quantitative trading systems and blockchain infrastructure. I architect high-performance, low-latency systems that process real-time market data across centralized and decentralized exchanges.

  • 📊 Quantitative Systems — Arbitrage engines, market-making algorithms, and cross-exchange hedging strategies
  • ⛓️ Web3 Development — Smart contract development, DeFi protocol integration, and on-chain data analysis
  • 🎓 CS @ UMD — Computer Science, University of Maryland · College Park

🚩 Flagship Repositories

Repository Focus
crypto-market-neutral-platform Python platform for KRW premium and cross-exchange delta-neutral automation
krw-arbitrage-console TypeScript execution console and real-time premium monitoring stack
spot-spot-relay-arbitrage Low-latency C++ execution engine for KRW spot versus offshore perpetual hedging
prediction-market-arbitrage Cross-venue prediction market scanner for Predict.fun and Polymarket
cross-perp-basis-engine Delta-neutral perpetual basis engine across offshore venues
upbit-market-intelligence-console Full-stack Upbit market intelligence and listing strategy console

🌍 Open Source Contributions

🤖 Auto-updated from merged pull requests to external repositories, sorted by upstream stars.

🌟 115.6k+ stars reached  ·  18 open-source projects  ·  20 merged PRs

Project Stars Contribution
gofiber/fiber ⭐ 40k #4507 🐛 bug: Fix the normalization of the leading slash in the root path for fs.FS static serving
redis/go-redis ⭐ 22.2k #3869 fix(proto): encode nil *uint8 as "0" like other numeric pointers · +2 more
goreleaser/goreleaser ⭐ 15.9k #6679 fix(builders): reject empty target string
SeaQL/sea-orm ⭐ 9.8k #3093 Fix non-compiling codegen for Money columns with precision and scale
nats-io/nats.go ⭐ 6.7k #2099 [FIXED] MsgsTimeout iterator yields spurious (nil, nil) after a timeout
h3js/h3 ⭐ 5.4k #1450 docs: remove non-existent sendEventStream from createEventStream example
console-rs/indicatif ⭐ 5.2k #815 Fix stray comma after minus sign in HumanFloatCount
getsentry/responses ⭐ 4.3k #797 docs: update tox Python version examples
besu-eth/besu ⭐ 1.8k #10566 fix(discv5): lower verbose logs to trace
carapace-sh/carapace ⭐ 1.4k #1232 Document zsh case-insensitive matching setup
floatpane/matcha ⭐ 1k #525 fix(imap): close debug log file handle to prevent fd leak
lambdaclass/ethrex ⭐ 888 #6342 fix(levm): validate remaining block gas in parallel pipeline
near/borsh-rs ⭐ 429 #369 fix: handle PhantomData in enum schema derive
ava-labs/firewood ⭐ 153 #2037 test(fwdctl): refactor CLI test setup
alloy-rs/chains ⭐ 107 #300 docs: correct etherscan url examples in Chain spec

🔧 In Review

🔍 Open PRs under review in external projects — click to expand · auto-updated

🔍 33 open PRs in review  ·  33 projects  ·  ⭐ 292.2k+ combined

Project Stars Contribution
ollama/ollama ⭐ 176.4k #17053 docs: correct default seed in modelfile parameter table
tailscale/tailscale ⭐ 34k #20267 util/limiter: don't panic on Allow for a zero-value limiter
uber-go/zap ⭐ 24.6k #1556 zapcore: fix DurationEncoder.UnmarshalText doc comment
charmbracelet/lipgloss ⭐ 11.6k #706 docs: fix GetTabWidth comment on the unset return value
open-circle/valibot ⭐ 8.8k #1516 fix: handle z.brand() in zod-to-valibot codemod
charmbracelet/bubbles ⭐ 8.7k #1008 fix(textarea): count runes, not display width, for CharLimit
hashicorp/hcl ⭐ 5.8k #815 ext/typeexpr: render optional attributes in TypeString
tailwindlabs/tailwindcss-forms ⭐ 4.6k #186 docs: clarify checkbox checked background colors
charmbracelet/log ⭐ 3.3k #218 docs: fix README install path to charm.land/log/v2
anza-xyz/agave ⭐ 1.8k #12843 install: handle fish shell path setup
hashicorp/go-getter ⭐ 1.8k #653 Fix off-by-one in tar FilesLimit that rejects archives at exactly the limit
nats-io/nats.rs ⭐ 1.5k #1597 Improve stream overlap error context
segmentio/encoding ⭐ 1.1k #167 json: report integer duration overflow against time.Duration
prometheus/procfs ⭐ 875 #842 fix(mdstat): parse (W), (J) and (R) component device flags
duneanalytics/evm.codes ⭐ 825 #414 Fix API method guards

🛠️ Tech Stack

Core Languages

Python TypeScript Go Rust Solidity C++

Quant & Finance — Algorithmic Trading · Arbitrage · Market-Making · DeFi · CEX/DEX
Blockchain — Ethereum · Hardhat · Ethers.js · Web3.py · OpenZeppelin · Chainlink CCIP
Backend & Infra — FastAPI · Node.js · Redis · PostgreSQL · Docker · Kubernetes · GCP / AWS · Terraform


📊 GitHub Stats

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📫 Contact

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