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Nahuel Martinez

@nahuelmartinez

Data Engineer at TotalNet building Azure Synapse pipelines for financial transaction data and improving ingestion reliability.

Uruguay

Message

At TotalNet, I developed and maintained Azure Synapse pipelines that ingest financial transaction data from Oracle databases, flat files, and REST APIs. I traced duplicate transaction records to the ingestion logic and corrected the load process to prevent recurrence.

Previously, at Practia, I optimized SSIS pipelines and SQL Server objects, improving execution time, data quality, and reporting availability. At Tata Consultancy Services, I designed and maintained Informatica PowerCenter ETL processes for medical-sector clients and automated batch scheduling with Automic UniViewer.

Experience

Work history, roles, and key accomplishments

Current

Data Engineer

Current

TotalNet

Jan 2026 - Present (8 months)

Developed and maintained data pipelines in Azure Synapse Analytics, ingesting financial transaction data from Oracle databases, flat files, and REST APIs. Monitored database and BI server health using Azure Data Explorer (KQL).

Azure Synapse Oracle REST APIs Azure Data Explorer (ADX)KQL Data Pipelines Data Quality

Data Engineer

Practia

Jan 2024 - Jan 2026 (2 years)

Monitored and maintained SSAS/Power BI tabular models and developed BI reports. Optimized and fixed ETL pipelines in SSIS, and developed SQL Server objects with execution plan analysis.

SSAS Power BI SSIS SQL Server ETL Performance Optimization Execution Plans Incident Management

Database Technical Analyst

Evertec

Jan 2023 - Jan 2024 (1 year)

Developed and executed SQL Server scripts for onboarding new clients onto financial platforms, validating data integrity across pre-production and production environments.

SQL Server Data Validation Scripting Financial Platforms

Database Technical Analyst (ETL / Data Integration)

Tata Consultancy Services

Jan 2019 - Jan 2023 (4 years)

Designed and maintained ETL processes with Informatica PowerCenter for medical sector clients, developing and tuning queries and stored procedures in Oracle SQL. Automated business processes and batch scheduling with Automic UniViewer.

Informatica PowerCenter Oracle SQL ETL Automic UniViewer Batch Scheduling Stored Procedures Query Tuning