Victor Teodoro

Python Software Engineer

São Paulo, Brazil

Summary

Hey, I'm Victor. Python software engineer and cybersecurity analyst building security-first applications and APIs.

Over the past four years, I have implemented application security practices in projects across national-level initiatives, including the energy sector and defense-related domains such as naval and aerospace.

On my website (https://www.victeodoro.com), I share studies, interests, and projects related to technology, offensive security, and software development.

Languages:

English, Portuguese

Experience

Fundação PATRIA - Cybersecurity Analyst - Jan 2025 - Present

• Administered firewall and network infrastructure by enforcing access control mechanisms (IPS), environment segregation using VLANs, and security policies through proxy services, strengthening the organization’s overall network security posture.
• Maintained and operated Linux and Windows server environments, including file servers and internal applications, ensuring high availability and consistent identity-based access control.
• Led the configuration and implementation of asset management and monitoring solutions using GLPI and Snort, improving asset visibility, detection capabilities, and supporting incident response activities.
• Developed custom tools and APIs for internal process integration using Django and FastAPI, focusing on secure design, standardization, and operational efficiency across technical workflows.
• Contributed to the development of the organization’s internal portal using Nuxt and Django, serving as the architectural foundation for multiple internal services, including employee-facing and administrative systems.

AMEE - Back-end Software Engineer - Jun 2023 - Jan 2025

• Automated invoice sorting and classification at scale using Python and Pandas, reducing manual processing time and potential for human error.
• Developed a data capture and processing system using Laravel and Mysql that handles 100+ document layouts
• Designed and implemented end-to-end document validation module using Vue and Laravel, responsible for real-time error validation and guided correction workflows
• Optimized asynchronous processing pipelines by implementing Redis-backed queues, resulting in an approximate 5× performance improvement in internal data processing workflows.
• Collaborated in the development of reporting modules by designing queries and integrations that consolidated data across multiple MySQL databases, supporting operational and analytical use cases.
• Supported integrations with the primary OCR system by connecting Python-based AI/OCR processing scripts to frontend components using JavaScript and jQuery. 
• Designed the segmentation of Laravel-based microservices, organizing service responsibilities and improving system scalability and maintainability through the Repository design pattern.
• Implemented input sanitization and validation mechanisms using PDO (PHP Data Objects), reducing the attack surface against injection vulnerabilities and preventing data processing errors.

Skills

Amazon Web Services (AWS), Django, Django REST Framework, Docker, FastAPI, Linux, MongoDB, MySQL, Pandas, PostgreSQL, Vue.js, wxPython