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  • Seattle

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Achievement: Pull SharkAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull SharkAchievement: Arctic Code Vault Contributor

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changer666666/README.md

👋 Hi, I'm Chang Liu

I'm a Software Engineer passionate about large-scale systems, API reliability, and applied machine learning.

  • 💼 Ex-Meta Ads Infrastructure Engineer — built scalable APIs and data models powering Ads delivery and Marketing API.
  • ⚙️ Experienced in Distributed Systems, API Design, SLI/SLO Reliability, Async Framework, and Webhook/Event-driven Architecture.
  • 💡 Focused on Ads Platform, AI infra, and Developer Productivity.
  • 🌱 Currently experiencing startup AI platforms and open data infra tools.

🧩 Tech Stack

Python · PHP · React · GraphQL · gRPC · Thrift · Docker · Kubernetes · PyTorch

🧠 Interests

  • System design for reliability and scale
  • Ad delivery optimization and data infrastructure
  • LLM-based API developer assistance

📫 Connect

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  1. capstone_backend_restful capstone_backend_restful Public

    Python

  2. CSE373-Data-Structure-Algrithom CSE373-Data-Structure-Algrithom Public

    CSE373 course code in University of Washington

    Java

  3. elasticDB elasticDB Public

    Java 1

  4. capstone-lockheed-martin capstone-lockheed-martin Public

    HTML

  5. graph-api-webhooks-samples graph-api-webhooks-samples Public

    Forked from fbsamples/graph-api-webhooks-samples

    These are sample clients for Facebook's Graph API Webhooks and Instagram's Real-time Photo Updates API.

    CoffeeScript

  6. webhooks_test webhooks_test Public

    Forked from mduppes/webhooks_test

    Simple test server to receive and show webhooks received from Facebook

    JavaScript 1