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harmatiuk/README.md

Lucas Harmatiuk

Hi 👋

My name is Lucas Harmatiuk (pronounced RAR-ma-tiuk), but you can call me Harma.

I have 7 years of experience working with data and currently work as a Data Engineering Specialist at Grupo Boticário, building reliable data products and pipelines with a focus on observability and business impact.

“You can have data without information, but you cannot have information without data.” — Daniel Keys Moran

What I do

  • 🚀 Design and implement scalable, reliable ETL/ELT pipelines
  • 🧰 Build data transformations with SQL and Python
  • ☁️ Deploy and orchestration on GCP & AWS
  • 🛠️ APIs with FastAPI to expose data and integrations

Tech stack

  • ☁️ Clouds: GCP (Certified) & AWS
  • 🧩 Languages: Python & SQL
  • 🛠️ Transformations & Modeling:
    • GCP: Composer, Dataflow, BigQuery, DataProc, Cloud Functions
    • AWS: EMR, Redshift, MWAA, Firehose, Athena, Glue, Lambda functions
    • DBT
  • 📊 BI / Observability: Power BI, Metabase
  • 🧑‍💻 Dev & Infra: Git, GitHub, FastAPI, and IAC with Terraform
  • 🗄️ Databases: modeling, performance and query tuning

Certifications & Experience

  • 🏅 Google Cloud — Professional Data Engineer
  • 🎓 Astronomer — Airflow Certification
  • 📌 Hands-on experience with data platforms and analytics projects

Contact

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