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kabianca/README.md

Hi there!! I'm Karla Oliveira and welcome to my Github profile ✨

I'm a Data Engineer in the financial sector, building scalable data pipelines and Generative AI / LLM solutions on Cloud (Azure).

Currently exploring: AWS, Data Mesh, ML model training, data annotation, and prompt engineering, always learning something new to bring into real-world projects."

A little more about me...

const karla = {
  pronouns: ["she", "her"],
  code: ["Python", "SQL"],
  dataStack: ["Databricks", "Spark / PySpark", "Delta Lake", "Unity Catalog",
              "Apache Airflow", "PostgreSQL", "MongoDB"],
  cloud: ["Azure", "AWS (learning)"],
  tools: ["Docker", "Git", "pytest", "Power BI"],
  focusAreas: ["pipeline architecture", "idempotency & data quality",
               "data governance & FinOps", "ML and LLMs in production"],
  currentlyLearning: ["AWS", "Data Mesh"],
  community: ["KDE — software translation since 2012"],
  funFact: "started out as an archaeologist 🏺 before becoming a data engineer 💻"
}

GitHub Stats Top Langs

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  1. cohort-rfm-ecommerce cohort-rfm-ecommerce Public

    PySpark 4, Delta Lake, DuckDB, Docker. Deterministic RFM and cohort segmentation: snapshot-anchored recency, tie-stable quintiles, 39 tests. GPL-3.0.

    Python 2

  2. bcb-airflow-pipeline bcb-airflow-pipeline Public

    Apache Airflow 3, PostgreSQL, Docker Compose. Idempotent under replay, calendar-aware data quality, 37 unit tests. GPL-3.0.

    Python

  3. estrato-claims-warehouse estrato-claims-warehouse Public

    dbt 1.12, PostgreSQL 16, Docker. Overwriting an attribute silently rewrites history: 12.5% of 2016 claims would be misreported under today's values. Type 2 dimensions, replayable extracts, 86 tests…

    Python

  4. foz-payments-stream foz-payments-stream Public

    Apache Kafka 4.3 (KRaft), Spark Structured Streaming 4.1, Delta Lake, Docker. The producer injects 10% late and 5% duplicate events on purpose, and the ledger still balances: exactly-once proved at…

    Python