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Antonio Fonseca
@antonioafonseca
Backend Software Developer
Brazil
Portuguese
About me
I'm a Software Engineer with experience developing and maintaining business applications, ERP integrations, backend systems, and databases.
I work mainly with PHP, Java, C#, SQL Server, MySQL and Oracle, helping companies improve existing software, build new features, fix bugs, optimize databases and integrate systems through APIs.
I value clean code, clear communication and reliable deliveries.
Services include:
• PHP Development
• Java Development
• C# Development
• SQL Queries & Database Optimization
• API Integration
• Bug Fixing
• Legacy System Maintenance
• Backend Development
Skills
Antonio Fonseca
Offline •
See my services
Full Stack Web Applications
I will fix PHP bugs, add features and improve your website
