Real-Time Fraud Signals Pipeline
repoKafka -> Spark Structured Streaming -> Delta -> dbt -> Streamlit. Exactly-once processing, anomaly detection, dbt tests.
- Apache Kafka
- Spark Structured Streaming
- Delta Lake
- dbt
- Streamlit
- Python
Senior Data Engineer · Analytics Engineering · Fraud & Revenue Data Platforms
Alex Huggler
I build production-grade data platforms that reduce fraud loss, improve revenue visibility, and turn ambiguous business problems into reliable analytics systems.
$900K+/yr
Fraud-loss reduction identified or enabled
$2.2B+
Portfolio supported by analytics systems
6 yrs
AT&T · Azure · Databricks · BI platforms
Featured projects
All projectsTelecom Billing Lakehouse
repoMedallion (Bronze/Silver/Gold) lakehouse over synthetic CDR data. Airflow + MinIO + Iceberg + Great Expectations + dbt.
- Apache Airflow
- Apache Iceberg
- MinIO / S3
- Great Expectations
- dbt
- Terraform
AI-Assisted SQL Optimizer
repoCLI that uses Claude to suggest Spark/Snowflake query rewrites and partition strategies. Benchmarked against a 50-query corpus.
- Python
- Typer
- Anthropic SDK
- sqlglot
- pytest
About
I'm a senior data and analytics engineer with six years at AT&T building production data platforms on Azure and Databricks. My work spans PySpark ingestion, dbt analytics models, BI delivery, streaming systems, and data quality. I specialize in turning ambiguous fraud, revenue, and operational problems into reliable pipelines and decision-ready analytics.
Certifications
- DP-203 · Azure Data Engineering
- DP-100 · Azure AI Engineering
Current focus
- Streaming + lakehouse architectures
- Cloud data platforms on Azure and AWS
- Analytics engineering with dbt + data contracts
- Applied AI for data engineering productivity
Stack
- PySpark
- Databricks
- Azure Data Factory
- Delta Lake
- Apache Iceberg
- Snowflake
- dbt
- Apache Airflow
- Apache Kafka
- Python
- SQL
- Terraform
Interested in data platforms, analytics engineering, or BI automation?
I'm open to senior data engineering, analytics engineering, and data platform consulting conversations.