
Principal Data Engineer with over 10 years of expertise in designing, building, and maintaining large-scale data platforms.
Currently leading data engineering initiatives at OptumRx (UnitedHealth Group), ensuring 24/7 uptime of mission-critical pricing systems and implementing cutting-edge data management practices.
Linux
System Administration & Scripting
Networking
VPNs, VLANs, DHCP & Infrastructure
SQL
Database Design & Optimization
Python
Data Engineering & Automation
Databricks
Analytics & Machine Learning
Ansible
Configuration Management
Docker
Containerization & Orchestration
Podman
Container Management
Azure
Cloud Architecture & Services
Professional Experience
Principal Data Engineer - Pricing and Underwriting
OptumRx @ UnitedHealth Group
May 2023 - Present
- Architecting and maintaining high-availability data platforms processing billions of dollars in client bids annually
- Leading incident response for mission-critical pricing systems, ensuring 24/7/365 uptime and minimal disruption
- Implementing advanced data governance frameworks that enhance transparency and traceability
- Developing next-generation data pipelines using Azure Data Factory and Databricks
- Spearheading migration from legacy systems to modern cloud-native architectures
Senior Data Analyst - Compliance
Kraken Digital Asset Exchange
2023 - 2024
- Designed and implemented automated compliance reporting dashboards for regional regulatory requirements
- Engineered data pipelines processing terabytes of cryptocurrency transaction data
- Served as lead data specialist for high-sensitivity legal cases, audits, and regulatory compliance
- Developed AI-assisted anomaly detection systems to identify suspicious transaction patterns
Business Intelligence Developer
Susquehanna International Group
2017 - 2022
- Architected high-volume ETL pipelines supporting critical trading operations and regulatory compliance
- Developed real-time ETF basket composition processing system that revolutionized pricing accuracy
- Created advanced trading anomaly detection systems that prevented millions in potential losses
- Led multiple infrastructure modernization initiatives, including cloud migration strategies
Golang Rest API using Gin & Valkey backend
Leave your mark! Share your name and favorite food with other visitors. This demonstrates a live Go API connected to Valkey database.
Add Your Entry
Recent Entries
Portfolio
Certifications & Education
Azure DP-900
Microsoft Certified: Azure Data Fundamentals
Databricks Lakehouse Fundamentals
Certified Data Lakehouse Professional
Chainalysis Reactor
Blockchain Fraud Analysis
ITIL V3 Foundation
IT Service Management
Teradata Certified Professional
Database Administration
Graduate Diploma in IT
Dublin City University
M.Sc International Business
Dublin Institute of Technology
B.Sc Business Studies
Dublin Institute of Technology
Take a Break with Mini-Games
Everyone needs a mental break sometimes. Try these games when you need to reset your brain!
Checkers
How to play: Click on your piece (red) to select it, then click on a valid diagonal space to move. Capture opponent pieces by jumping over them. Get to the opposite end to be crowned a king!
Space Invaders
How to play: Use left/right arrow keys to move and spacebar to shoot. Destroy all aliens before they reach the bottom. Watch out for their attacks!