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Achievements

Achievement: Pull Shark

Achievements

Achievement: Pull Shark

Highlights

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marcellin-de/README.md

Data & Analytics Engineer

Building modern data platforms from ingestion to analytics and machine learning.



About

Data & Analytics Engineer focused on designing reliable data systems.

Building solutions around:

  • Modern Data Stack
  • Data Engineering
  • Analytics Engineering
  • Business Intelligence
  • Machine Learning

Technology Stack

Languages & Foundations





Data Engineering



Analytics Engineering



BI & AI

Featured Projects

CRM Sales Analytics Platform

dbt Snowflake Power BI

Analytics engineering platform transforming CRM data into trusted business models.

Highlights

  • Star schema modeling
  • Incremental pipelines
  • Data quality testing
  • Executive dashboards

Weather Intelligence Platform

Dagster dbt DuckDB MLflow

End-to-end data platform combining orchestration and machine learning.

Highlights

  • Automated ingestion
  • Data validation
  • ML workflows
  • Forecasting

Marketing Data Platform

dlt dbt Dagster

Modern ELT architecture for automated marketing analytics.

Highlights

  • Data ingestion
  • Transformation layers
  • KPI modeling
  • Quality monitoring

Vehicle Analytics Platform

Airbyte Snowflake dbt

Modern analytical platform based on production data architecture patterns.

Highlights

  • Medallion architecture
  • Customer analytics
  • Cohort analysis
  • Automated workflows

Current Focus

Area Technologies
Data Engineering Kafka · Flink · Iceberg · Terraform
Analytics Engineering dbt Semantic Layer · Data Contracts
AI Engineering RAG · LLM Applications · MLOps

Building reliable data platforms that transform raw data into trusted decisions.

Pinned Loading

  1. crm-sales-analytics-platform crm-sales-analytics-platform Public

    End-to-end Analytics Engineering project using Snowflake, dbt, SQL, Python and Power BI to transform raw CRM data into tested business-ready sales analytics models and dashboards.

    Python 1

  2. dagster-weather-platform dagster-weather-platform Public

    End-to-end data platform to collect, transform, validate, and operationalize hourly weather data, orchestrated with Dagster and observed with MLflow.

    Python 1

  3. marketing-performance-analysis marketing-performance-analysis Public

    End-to-end analytics stack to analyze marketing performance for the Maven Fuzzy Factory e-commerce dataset. The project ingests CSVs with DLT, transforms with dbt, orchestrates with Dagster, and su…

    Python 1

  4. vehicle-ecommerce-analytics vehicle-ecommerce-analytics Public

    Production-grade analytics platform for a vehicle e-commerce marketplace. Airbyte → Snowflake (medallion) → dbt → Dagster → Elementary + Great Expectations → Power BI.

    Python 1