Matias Arrua
Software developer with a strong foundation in programming, problem-solving, and backend development.
About
Software developer with a strong foundation in programming, problem-solving, and backend development. Experience building and maintaining systems in production using Python, Java, and web technologies, with a focus on delivering reliable, real-world features.
Particularly interested in Artificial Intelligence and data-driven applications. Enjoys learning and applying new technologies while improving performance, security, and maintainability in the software lifecycle.
- 4 years' experience
- Joined December 2025
Industry experience
- Software & Internet
- Professional Services
- Media & Entertainment
- Education
Work experience
Designed and implemented custom business logic in PHP by developing proprietary plugins and extending core hooks, reducing third-party dependencies and improving control over the software lifecycle. Modeled and optimized MySQL data schemas using Custom Post Types, taxonomies, and complex queries to improve retrieval efficiency and support dynamic multi-user features. Managed and deployed WordPress Multisite for 700+ websites with standardized update workflows, automated backups, and performance monitoring. Resolved critical production incidents, optimized page load performance, mitigated vulnerabilities, maintained 99.95%+ uptime, and reduced recurring support tickets.
Maintenance and optimization of WordPress websites (HTML, CSS, PHP). Improved performance and user experience in production environments.
Developed customized web invitations using React.js. Built a desktop application in Java (Swing + JDBC) for hotel management with MySQL integration, user authentication, and payment tracking. Created personal and client projects using Java, Python, React, and MySQL.
Education· 5
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