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    workHMZ/README.md
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    PortfolioWebsiteGitHub

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    Key Impact & Achievements

    • 10k+ PDFs RAG Pipeline: Built an end-to-end ingestion and vectorization pipeline, tuning retrieval quality (via LangFuse tracing) to achieve a +22pt improvement in search success.
    • 60% Faster Deployments: Architected secure, automated delivery with GitHub Actions, Docker, Trivy, and Cosign, slashing deployment time from 18 to 7 minutes.
    • Certified Expertise: AWS Certified Solutions Architect (Professional), OCI AI Foundations (Associate), and OCI Foundations (Associate).

    Focus Areas

    🧠 AI & RAG Infrastructure

    Designing practical RAG workflows with AWS Bedrock, Dify, OpenSearch, Python, and Langfuse. Evaluating model responses and optimizing vector search retrieval.

    ⚙️ CI/CD & DevSecOps

    Building repeatable delivery pipelines with GitHub Actions, Docker, GHCR, Trivy, Cosign, SBOMs, canary releases, and rollback-aware release flows.

    📈 Observability

    Implementing Datadog metrics, logs, APM, monitors, and LLM observability (LangFuse). Experience with GKE production monitoring and infrastructure-as-code alerts.

    ☁️ Cloud & Edge Platforms

    Operating public services and private lab workloads across AWS, Azure, GCP, Cloudflare, Vercel, and self-hosted infrastructure with Zero Trust boundaries.


    Toolbox

    Tech Stack

    "Building systems that stay useful after the demo."

    Explore my portfolio →

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      A lightweight, serverless file and text sharing app built on Cloudflare Workers, R2, and D1. A Cloudflare-native alternative to FileCodeBox with extraction codes, anonymous sharing, and resumable u…

      TypeScript 5 1

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      HTML 4

    3. aca-ghcr-cicd-labaca-ghcr-cicd-labPublic

      Serverless RAG API with full CI/CD pipeline: FastAPI + Azure AI Search + Canary Deploy + Cosign/SBOM + Datadog APM/DORA

      Python 3

    4. vertex2openai-cfvertex2openai-cfPublic

      OpenAI-compatible Cloudflare Workers proxy for Google Vertex AI Gemini.

      TypeScript 4 2