SAM LEE

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My Projects

Distributed Payment Orchestration

PulsePay architecture PulsePay dashboard

A payment orchestration platform with SAGA-based transaction management, circuit-breaker failover, and fraud scoring.

Spring Boot gRPC PostgreSQL Redis Docker
GitHub

Pluto

(TBA) A 12-DOF quadruped robot featuring inverse kinematics, gait generation, FreeRTOS-based control, and sensor-driven reactive behaviors.

C/C++ Python ESP32 FreeRTOS
GitHub

DKVS

DKVS architecture

A distributed key-value store in C with SHA-1 based consistent hashing, quorum-based read/write consistency, UDP networking, and a multithreaded server architecture.

C Distributed Systems Networking
Git (Access upon request)

Goyangyi

Goyangyi bot discord screenshot

Learn Korean with a helpful Discord bot used by over 2,000 users worldwide.

Node.js Discord.js JavaScript
Website Discord GitHub

Apertutus 🏅 3rd place

Part of paper under review Data Augmentation Process Pipeline Overview

A multilingual AI safety testing system that tests LLM jailbreak resistance across 16 languages using multi-turn prompts and StrongReject metric.

Python Next.js
Github

TalkTalk

TalkTalk dashboard image TalkTalk dashboard image TalkTalk dashboard image TalkTalk dashboard image

A weekly student update system and a dashboard to streamline student management and communication.

Node.js Express.js EJS
GitHub