Jun 2019 – Aug 2020 · Athens (On-site) Neurocom
Data Warehouse Software Engineer
Neurocom is where my data engineering career began. I worked on high-stakes telecom data migrations and a real-time location analytics product, learning early how much rides on data quality and observability.
Overview
Prevented critical data loss during a large-scale Vodafone migration by identifying and resolving data inconsistencies early. Contributed to a real-time location analytics product supporting marketing, safety, and operational use cases.
Key Achievements
- Built validation checks and reconciliation routines that surfaced anomalies ahead of migration cutovers.
- Implemented streaming and batch components for real-time location analytics used across multiple teams.
- Improved data quality and observability, reducing incident frequency and recovery times.
Technologies Used
Python, Spark, Kafka.