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Achievement: YOLOAchievement: Pull SharkAchievement: Arctic Code Vault Contributor

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samuel-aka-viana/README.md

Samuel Viana

Data Engineer | Backend Developer

🔍 About Me

Data Engineer with 4 years of experience developing data solutions and backend systems. I work professionally with data pipelines, microservices, and system modernization, always applying engineering best practices.

Professional Experience:

  • Development of data lakes and pipelines using PySpark, Airflow, and Databricks
  • System migration and database optimization (SQL Server → PostgreSQL)
  • Microservices architecture and RESTful APIs with Django
  • Implementation of observability and monitoring in production
  • Technical mentoring and DevOps practices

Portfolio: My repositories demonstrate practical application of concepts I use daily, exploring modern technologies and sharing knowledge through technical projects.

🛠️ Technology Stack

💻 Backend & Data Engineering

Python Django Apache Spark dbt Apache Airflow Prefect

☁️ Cloud & DevOps

AWS Terraform Docker Kubernetes Redis

📊 Data Stack

BigQuery DuckDB PostgreSQL Apache Superset Polars

🚀 Portfolio Projects

📊 Death Metal Data Warehouse

Practical demonstration of modern Data Warehouse architecture

  • Technologies: DLT, dbt, BigQuery, DuckDB, Apache Superset, Docker
  • Highlights: Medallion architecture implementation, automated testing, containerization
  • Purpose: Apply concepts used professionally in a creative and documented context

⚡ Death Metal Data Lake

Serverless streaming pipeline simulation with local AWS environment

  • Technologies: Terraform, LocalStack, Prefect, Polars, Kinesis, S3
  • Highlights: Infrastructure as code, cloud environment simulation, orchestration
  • Purpose: Demonstrate knowledge in event-driven architectures and AWS technologies

🔧 Other Projects

Complete portfolio with experiments in data engineering, automation, and new technologies.

📈 Performance Metrics

stats graph languages graph

💼 Technical Competencies

Data Engineering        ████████████████████████████████         80%
Backend Development     ███████████████████████████████████      85%
DevOps & CI/CD          ████████████████████████████             70%
Database Optimization   ████████████████████████████████         80%
Observability          ██████████████████████████               65%

🎯 Professional Goals

  • Continue evolving in scalable and modern data architectures
  • Contribute to projects that integrate ML/AI in production pipelines
  • Expand knowledge in emerging technologies from the data ecosystem
  • Share knowledge through open source projects and mentoring

📧 Contact

Interested in discussing challenging data engineering opportunities? Explore my projects and let's talk about how I can contribute to your team!

LinkedIn Email Portfolio

Pinned Loading

  1. dlt-jaffle-shop dlt-jaffle-shop Public archive

    Python 1 1

  2. aws-terraform aws-terraform Public

    HCL 1

  3. deathmetal-dw deathmetal-dw Public

    Python 1