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Gastón García

@ggarcia

Senior .NET developer at Cegid Primavera; improved DSN Controle processing time by 20% and helped scale it to 100+ client companies.

Portugal

Message

At Cegid Primavera, I write C#/.NET services, SQL Server access, and REST APIs for DSN Controle / Rose. I helped the platform grow from about 30 to 100+ client companies and 500,000+ payroll sheets, and cut end-to-end processing time by 20% by diagnosing Entity Framework query issues and applying indexes, View Models, and SQL.

At Areal-Media (Sunpics), I was Technical Lead of a four-person team on a global photo-album SaaS and contributed to its modernization from Flex/Flash to HTML5 and Angular. I also build Arnela, a professional-services CRM/billing MVP now in client acceptance testing, using Go, Next.js, PostgreSQL, and Redis.

Experience

Work history, roles, and key accomplishments

Current

Senior Developer (Full-Stack)

Current

Cegid Primavera

Apr 2022 - Present (4 years 6 months)

Wrote well-structured C#/.NET services, SQL Server access and REST APIs for DSN Controle / Rose, scaling the platform from about 30 to 100+ client companies and 500,000+ payroll sheets. Cut end-to-end processing time by 20% through query optimization and used AI-assisted development tools with human review.

C#.NET Entity Framework SQL Server REST APIs xUnit Cypress Next.js Cursor GitHub Co Pilot Claude Code

Software Developer & Technical Lead

Areal-Media (Sunpics)

Sep 2009 - Mar 2022 (12 years 6 months)

Technical Lead of four on a global photo-album SaaS, leading a 12-year modernization from Flex/Flash to HTML5 and Angular, and from AMF to REST. Migrated from MySQL to SQL Server and delivered full-stack solutions with two pilot customers.

Angular HTML5 REST MySQL SQL Server Fullstack Development Technical Leadership

Technical Leader / Project Leader / Developer

Multiple Companies

Apr 2005 - Sep 2009 (4 years 5 months)

Performed Java and C# development, system analysis, end-to-end delivery, and technical decision-making across multiple companies.

Java C#System Analysis Technical Leadership

Education

Degrees, certifications, and relevant coursework

Pluralsight

Training, Software Development

2023 - 2023

Completed training in Domain-Driven Design Fundamentals, Clean Architecture, Test-Driven Development, and building an end-to-end SPA with ASP.NET Core 6 Web API and React.