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timjtchang/README.md

Hi, I'm Tim Chang 👋

👨‍💻 About Me

  • Computer Engineering MS at University of Southern California ’25
  • Backend Software Engineer at Crypto Arsenal (2024–2025)
    • Built backend for crypto payment gateway
    • Integrated HTX into the trading platform
    • Optimized AWS infrastructure
  • Software Engineer at Realplus Tech (2019–2023)
    • Developed vehicle backend
    • Built drone visual programming tools

🚀 Projects

  • Lemonaid AI Agent
    Fastener quoting platform powered by Gemini API, FastAPI, React (TS), PostgreSQL, AWS (Lambda, RDS, Cognito, S3)

  • QuantCore-Engine
    Real-time OBI engine for top-30 crypto assets using Kappa & CQRS via Kafka, Spark, Redis, gRPC, Websocket, Terraform

  • Fraud Risk Microservice
    Real-time fraud ingestion and scoring using Java with Spring Boot, DynamoDB, REST APIs

  • Banking Backend
    Banking operations backend using Go, PostgreSQL, and REST APIs

  • Player League
    Player/match handling system built with Node.js, MongoDB, and GraphQL

🛠 Tech Stack

Languages

Fullstack / Frameworks & Databases

DevOps & Testing

snake animation

Pinned Loading

  1. Thousand-Dollar-Group/Lemonaid-Public Thousand-Dollar-Group/Lemonaid-Public Public

    Fastener quoting platform powered by Gemini API, FastAPI, React (TS), PostgreSQL, AWS (Lambda, RDS, Cognito, S3)

  2. QuantCore-Engine QuantCore-Engine Public

    Real-time OBI engine for top-30 crypto assets using Kappa Architecture and CQRS via Kafka, Spark, Python, Go, Redis, gRPC, Websocket, Terraform

    Python

  3. fraud-risk-microservice fraud-risk-microservice Public

    Real-time fraud ingestion and scoring using Spring Boot, DynamoDB, REST APIs

    Java

  4. banking-backend banking-backend Public

    Banking operations backend using Go, PostgreSQL, and REST APIs

    Go

  5. player_league player_league Public

    Player/match handling system built with Node.js, MongoDB, and GraphQL

    JavaScript

  6. TrojanMap TrojanMap Public

    Makefile