2-paragraph first-person bio, friendly tone

Nazareno Leone De Santis

2-paragraph first-person bio, friendly tone

Available to hire

2-paragraph first-person bio, friendly tone

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Intermediate
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Language

Spanish; Castilian
Fluent
English
Advanced

Work Experience

Back-End Developer at LoopSys
January 1, 2022 - January 1, 2025
Imported, sorted, and normalized data from multiple sources (PostgreSQL, SQL Server, Access). Built backend workflows for payroll/HR automation, monitored production files via FTP/SFTP, and generated KPI reports. Implemented data validation rules and integrity controls, optimized SQL queries for performance, and provided second-level technical support for backend processes in production environments. Maintained Windows Forms and ASP.NET web admin/client portals.
Production Operator at Volkswagen
January 1, 2010 - January 1, 2016
Operating machinery and performing quality control on the automotive production line, contributing to manufacturing efficiency and defect reduction.
Back-End Developer
January 1, 2022 - January 1, 2025
Development of backend bots and scripts integrated into existing Windows Forms and ASP.NET apps. Importing, sorting, normalizing, and persisting data from PostgreSQL, SQL Server, and Access. Automation of payroll, HR, and settlement processes through backend workflows. Implementation of data validation rules and control mechanisms to ensure data integrity. Optimization of complex and simple SQL queries, achieving significant execution time improvements. Provided second-level technical support for backend processes in production environments. Monitored and verified files in production using FTP/SFTP (FileZilla). Generated structured reports and KPIs.

Education

Technical Degree in Programming at UTN FRGP
January 1, 2022 - January 28, 2026
University Technical Degree in Programming at UTN FRGP
January 1, 2022 - January 28, 2026

Qualifications

REST APIs
January 11, 2030 - January 28, 2026

Industry Experience

Software & Internet, Manufacturing, Professional Services, Media & Entertainment, Education

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more