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KoushikMuthakana/README.md




⚡ About Me

I’m a Senior Data Engineer focused on building hybrid data platforms that combine large-scale batch analytics with low-latency realtime systems.

Over the last 9+ years, I’ve worked across AWS and Azure designing distributed architectures for analytics, machine learning, realtime decisioning, operational intelligence, and event-driven platforms.

My work typically sits at the intersection of:

  • analytics engineering & ML infrastructure
  • streaming systems & realtime processing
  • distributed data platforms
  • observability, governance, and reliability
  • platform engineering & operational scalability

I enjoy designing systems that remain understandable, reliable, and operationally simple as they scale.


🏗️ Architecture Mindset

flowchart LR
    %% Common Entry Points
    src[🔌 Source Systems] ===> ingest[📥 Ingestion Layer]

    %% Shared split out to processing paths
    ingest ===> stream[Realtime Processing]
    ingest ===> batch[Batch Processing]

    %% Realtime Pipeline Lane
    subgraph Realtime_Lane ["⚡ Realtime Processing Pipeline"]
        stream ===> ops[⚙️ Operational Systems]
    end

    %% Batch Pipeline Lane
    subgraph Batch_Lane ["📦 Batch Processing Pipeline"]
        batch ===> ml[📈 Analytics & ML]
    end

    %% Common Convergence Destination
    ops ===> platform[[💎 Data Platform & Serving Layer]]
    ml ===> platform

    %% --- MAXIMUM VISIBILITY LINK STYLING ---
    linkStyle default stroke:#1e293b,stroke-width:3px;

    %% --- HIGH CONTRAST LIGHT PROFILE ---

    %% Common Framework Nodes (Lightened & Highly Visible)
    style src fill:#f1f5f9,stroke:#475569,stroke-width:2px,color:#0f172a
    style ingest fill:#dbeafe,stroke:#1e40af,stroke-width:2px,color:#1e3a8a

    %% Realtime Path: Crisp Mint (Light background, Dark bold text)
    style stream fill:#ccfbf1,stroke:#0d9488,stroke-width:2px,color:#115e59
    style ops fill:#ccfbf1,stroke:#0d9488,stroke-width:2px,color:#115e59

    %% Batch Path: Creamy Amber (Light background, Dark bold text)
    style batch fill:#fef3c7,stroke:#d97706,stroke-width:2px,color:#78350f
    style ml fill:#fef3c7,stroke:#d97706,stroke-width:2px,color:#78350f

    %% Destination Nexus: Lavender Core with Deep Violet Text
    style platform fill:#f3e8ff,stroke:#7c3aed,stroke-width:3px,color:#4c1d95

    %% Structural Boxes: Soft Pastel Canvases
    style Realtime_Lane fill:#f0fdfa,stroke:#5eead4,stroke-width:2px,color:#0f766e
    style Batch_Lane fill:#fffbeb,stroke:#fde047,stroke-width:2px,color:#a16207
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🔄 Tech Ecosystem

💻 Languages & Core Platforms

Python SQL Databricks Snowflake PostgreSQL

⚡ Data Engineering & Orchestration

Apache Kafka Apache Spark Airflow Dagster dbt

💾 Storage & Infrastructure

AWS S3 Azure Blob Apache Iceberg DynamoDB Terraform Docker

🧠 AI & Intelligent Tooling

Gemini LiteLLM

🛠️ Development & CI/CD

Git GitHub Actions


🤖 AI-Assisted Data Engineering

Recently, I’ve been exploring AI-assisted data engineering and intelligent data applications using orchestration frameworks, LLM workflows, and structured extraction pipelines.

Built containerised workflows using Dagster, PostgreSQL, Docker Compose, LiteLLM, and Gemini APIs for automated classification, enrichment, and analytical processing of large-scale unstructured datasets.

Current areas of exploration include:

  • LLM-assisted data workflows
  • intelligent extraction pipelines
  • orchestration-driven AI systems
  • AI-ready data platforms
  • scalable analytical enrichment systems

🧠 Engineering Philosophy

while system.is_scaling():
    prioritize(reliability)
    reduce(complexity)
    improve(observability)

Nothing humbles a data platform faster than an “optional” field in production.


📊 GitHub Analytics


🤝 Connect

     

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    Automated clinical insight engine: Mapping chronic condition treatments from PubMed abstracts using Dagster and LLMs

    Python

  2. customer-analytics-data-platform customer-analytics-data-platform Public

    Python

  3. aws-event-driven-datalake aws-event-driven-datalake Public

    Python

  4. retailflow-lakehouse retailflow-lakehouse Public

    Production-grade Databricks lakehouse for retail — medallion pipeline with CDC, PII governance, monitoring, and CI/CD

  5. bcg_bigdata_case_study bcg_bigdata_case_study Public

    Python

  6. django-rest-api django-rest-api Public

    Python