Freelance Software Engineer

Gotan Web August 2023 – Present

• Designed and developed custom, high-performance websites using responsive design principles, modern frameworks, and scalable architectures.
• Administered and optimized MySQL relational databases, ensuring data integrity, query performance optimization, and secure access protocols.
• Delivered data analytics solutions using Power BI and Tableau to extract actionable insights from complex datasets, supporting strategic decision-making.
• Implemented frontend and backend features in PHP, Laravel, and JavaScript, improving user experience and workflow efficiency.

Senior Associate

PwC September 2020 – February 2023

// ERP Development Leader | Data Architecture Specialist

• Led ERP development projects for Payroll and HR modules, ensuring system scalability and compliance with industry standards.
• Utilized SQL and Meta4 PeopleNet to manage and migrate large datasets, enhancing system performance and reliability.
• Developed interactive dashboards and custom reports in Power BI to optimize payroll operations and support informed decision-making.
• Collaborated with cross-functional teams to identify pain points, delivering tailored technical solutions.
• Optimized database queries and workflows, reducing payroll task execution time by 25%.

IT Developer

Istorming SA August 2018 – September 2020

// Semi-Senior Developer | HR Systems Specialist

• Developed and tested ERP solutions for HR systems in global projects, using Oracle PL/SQL, PHP, and Laravel.
• Created custom functionalities to improve usability and meet project requirements, increasing process efficiency.
• Conducted root cause analysis for system incidents, implementing fixes that improved performance metrics.
• Reduced data validation time by 30% through new automated functionalities for HR workflows.
• Designed and executed test cases, ensuring early detection and resolution of system errors.

Database Manager

Municipality of Vicente López January 2007 – June 2018

// Database Architecture Lead | Process Automation Expert

• Architected and optimized SQL-based HR database structures to improve performance and scalability.
• Led data migration projects from legacy systems to SQL/Oracle databases, ensuring seamless transitions and data integrity.
• Digitized and centralized financial data, creating user-friendly interfaces for budget tracking and reporting.
• Automated manual processes, reducing execution time by 50% through optimized queries and scripts.
• Provided technical training to end-users, improving effective database utilization.