David G.P

Oct 2025 - Present

Led the design, development and maintenance of a custom Java IDE with a codebase exceeding 30,000 lines.
Designed a modular desktop architecture following Object-Oriented Programming, MVC and Hexagonal Architecture.
Developed a custom Swing editor framework featuring syntax highlighting, real-time autocompletion and project management.
Implemented multithreaded background tasks for indexing, code analysis and Java process execution.
Designed and implemented Java application lifecycle management, process execution and project infrastructure.
Built reusable software components following Design Patterns and SOLID principles.

June 2025 - Dec 2025

Developed a Go-based information processing system for Deep and Dark Web intelligence.
Designed and implemented custom filtering and parsing pipelines for heterogeneous intelligence sources.
Processed and transformed large datasets stored in AWS S3 into structured JSON.
Developed backend services and REST APIs supporting OSINT data acquisition workflows.
Built scalable web scraping services collecting information from over 1,000 online platforms
Developed and maintained backend applications using Node.JS, Express, TypeScript, and JavaScript.
Designed and implemented distributed queue task systems for asynchronous background processing.
Processed and transformed large, complex JSON payloads exchanged between backend services.
Deployed and maintained backend services and infrastructure on AWS EC2.

June 2024 - Present

Designed and developed a management platform using PHP, MySQL, JavaScript, and TypeScript.
Developed authentication and role-based access control (RBAC) with a custom permission management system.
Designed and implemented business operations and logic across multiple management modules.
Designed, optimized, and maintained MySQL database schemas supporting application workflows.
Containerized the application using Docker and deployed it on Apache infrastructure hosted on Hostinger.

David Gutiérrez Pérez