Lior Gefen

Data Engineer | Infrastructure Automation | Cloud-Native Data Systems

Building reliable data infrastructure that eliminates manual processes and scales with business needs.

🔧 Technical Focus

Data Orchestration & Pipelines

• Dagster, Apache Airflow
• Batch & streaming architectures (Kafka, PySpark, Flink)

Cloud & Infrastructure

• Kubernetes, Docker
• AWS, Azure
• Infrastructure-as-code (Terraform)

Data Engineering Stack

• Python (Apache Polars, Ibis, Pandas)
• PostgreSQL, QuestDB, time-series databases
• Data modeling & transformation

💼 Experience Highlights

• 7+ years data engineering across healthcare, fintech, legal tech, crypto
• PhD Aeroacoustics - Research background in computational analysis
• Specialized in eliminating FTE-equivalent manual work through intelligent automation

🚀 Current Projects

Building financial data infrastructure on Kubernetes (homelab):

• Dagster orchestration platform deployment
• Real-time crypto market data pipelines
• Self-service analytics architecture

📫 Connect

• Website: timeofdata.io
• LinkedIn: linkedin.com/in/liorgefen
• Location: Panama 🇵🇦 | Working globally