Data Engineering
How to Optimize ETL Pipelines to Reduce Costs by 40%
Advanced parallelization and caching techniques I implemented to significantly reduce processing times...
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Hello, I'm
Diego Napoli
Senior Data & AI Engineer
Specializing in building cloud-native data platforms, orchestrating scalable ETL/ELT pipelines, and integrating Machine Learning models and AI agents to enhance decision intelligence and workflow automation.
$2.5M+
Cost Savings Generated
50+
Projects Delivered
99.9%
System Uptime
4 Months
Avg. ROI Timeline
Get To Know
About Me
Industry Experience
Banking, Insurance, Retail, Education, and Healthcare sectors
Cloud Expertise
AWS, Azure, GCP, and Snowflake certified professional
Business Impact
Delivering measurable ROI through data-driven solutions
With over 8 years of experience across multiple industries, I have led the design and optimization of large-scale data pipelines on cloud platforms. My focus is on delivering measurable business impact through a strong foundation in Data Engineering and AI systems.
Featured Projects
Case Studies
Multi-Agent Financial Optimization System
Cloud Services Company
Developed an intelligent multi-agent system with Python and LangChain for AWS cost optimization, automating financial queries and report generation.
3
Specialized agents
100%
Report automation
LangChain
Claude/Llama
PostgreSQL
AWS Cost Explorer
ETL Optimization and Big Data Cost Reduction
Analytics Company
Migrated and optimized ETL pipelines from AWS Glue to custom EC2/RDS/S3 architecture, implementing ML with XGBoost for near real-time processing every 15 minutes.
46%
Cost reduction
15min
ETL frequency
Apache Airflow
XGBoost
AWS CDK
EC2/RDS/S3
ETL Pipeline and Predictive Analytics for Marketing
SaaS Platform
Built scalable ETL pipeline with AWS Lambda and Amplitude API, creating predictive models and interactive dashboards in QuickSight for strategic marketing decisions.
Real-time
Marketing insights
Parquet
Storage optimization
AWS Lambda
Amplitude API
QuickSight
Step Functions
Churn Prediction with ML and CRM Integration
SaaS Company
Implemented optimized ETL pipeline integrating Zoom API and SalesForce, applying XGBoost for churn prediction with complete automation from data to CRM.
High
Churn accuracy
Auto
CRM integration
XGBoost
SalesForce API
Zoom API
AWS Redshift
Multilevel Batch ETL with AWS Glue and Redshift
Financial Company
Designed daily batch pipeline with AWS Glue to process flat files in S3, implementing multilevel architecture: raw → silver → gold → premium for reporting.
100%
Data traceability
-35%
Storage costs
AWS Glue
PySpark
Redshift
Athena
ELT Pipeline with dbt + Snowflake
Retail Company
Transformed traditional ETL architecture to modern ELT solution with dbt and Snowflake, implementing staging/silver/gold/premium zones with complete testing and documentation.
-90%
Manual errors
95%
Test coverage
Snowflake
dbt-core
Fivetran
GitLab CI/CD
Delta Lake Pipeline for IoT in Databricks
Industrial Company
Developed scalable pipeline to process millions of daily IoT records, implementing medallion architecture (Bronze/Silver/Gold/Premium) with Delta Lake in Databricks.
200M+
Records/day
Real-time
BI dashboards
Databricks
Delta Lake
PySpark
Great Expectations
Performance and Cost Optimization on AWS Platform
Fintech Company
Migrated architecture from PostgreSQL stored procedures to modular ETL with layers (RAW/Silver/Gold) using Kafka, Redis, S3, and orchestration with Airflow/Step Functions, optimizing costs and performance.
Significant
Cost reduction
15min
Data refresh
Kafka
Redis
S3
Step Functions
PostgreSQL
Python/Pandas
Available Solutions
AI Products
Explore our intelligent solutions you can try right away
DEMO AVAILABLE
Analyst Agent
Conversational AI analysis
Transform your data into actionable insights through natural conversations. Upload CSV/Excel files and get professional analysis instantly.
Intelligent AI chat
Automatic PDF reports
10 free questions
Secure processing
How it works
1
Upload your CSV/Excel
2
Ask natural questions
3
Get instant insights
4
Download your report
Try Free Demo
No registration • Secure data • Instant results
Important: Educational demo. First load may take 1-2 minutes. DO NOT use confidential or sensitive data - we are not responsible for shared information.
Technologies:
DEMO AVAILABLE
Appointment Agent
Smart booking system
Conversational chatbot to automatically schedule appointments with email confirmations, Google Calendar integration and complete appointment management.
AI-powered chatbot
Automatic emails
Google Calendar sync
One-click cancellation
How it works
1
Natural conversation
2
Choose date & time
3
Enter your details
4
Automatic confirmation
Try Demo
No registration • Automatic emails • Google Calendar
Important: Educational demo. First load may take 1-2 minutes. DO NOT use real personal data - we are not responsible for shared information.
Technologies:
COMING SOON
Monitor Agent
24/7 intelligent monitoring
Autonomous monitoring system that detects anomalies in real-time and automatically optimizes your data pipelines.
Anomaly detection
Smart alerts
Auto-optimization
Real-time dashboards
Features
24/7 monitoring
Predictive AI
Cloud integration
Optimized ROI
Technologies:
Need a custom solution?
I develop AI systems and data analysis adapted specifically to your company's needs
Request Free Consultation
What I Offer
Services
Data Engineering
Design and optimization of data pipelines, cloud-native data platforms, real-time and batch data integration.
- ETL/ELT Pipeline Design
- Data Lake Architecture
- Real-time Streaming
Start Project
From $800*
Data Science
Development of predictive models, recommendation systems, fraud detection, and customer lifecycle analysis.
- Predictive Analytics
- ML Model Development
- A/B Testing
Start Project
From $800*
AI Automation & Agents
Creation of AI agents with LLMs for monitoring, anomaly detection, and workflow automation.
- LLM Integration
- Intelligent Automation
- Chatbot Development
Start Project
From $800*
Knowledge Sharing
Latest Posts
AI
Complete Guide: Implementing AI Agents for Data Monitoring
Step by step to create intelligent agents that detect anomalies and automatically optimize your data pipelines...
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Cloud
Cloud Migration: Common Mistakes and How to Avoid Them
Based on my experience migrating 50+ projects, I share the most costly mistakes and how to prevent them...
Read more →
Success Stories
What Clients Say
Let's Connect
Get In Touch
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