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L-Esquivel/README.md

Hi, I'm Luis Alejandro Esquivel 👋

Full-Stack Software Developer | Security-Minded Architect | C1 Bilingual

I am a Developer with a unique edge: I combine the rigor of Criminal Investigation and Forensic Sciences with high-performance Full-Stack Engineering. I specialize in building scalable, secure, and data-driven SaaS solutions that solve real-world operational bottlenecks.

🚀 Featured Project: Precivox BI SaaS

Precivox is a production-grade Multi-Tenant Business Intelligence platform designed for SMEs.

  • Core Engine: Advanced mathematical costing engine factoring in depreciation, margins, and waste.
  • Stack: Python (Flask), React 18, PostgreSQL, and Docker.
  • Impact: Optimized bakery operations by 95% in calculation speed and 90% in manual tasks.
  • Explore the Repository

📚 Professional Certifications (2026 Cohort)

  • Completed ✅: Google AI Professional | Cisco IT Support Specialist | Power BI Interactive Dashboards | Foundations of Cybersecurity.
  • In Progress ⏳: AWS Certified Junior Software Developer | Google Project Management Professional | Google Cybersecurity Professional | Google Cloud Security.

🛠️ Tech Stack

  • Frontend: React 18, TypeScript, JavaScript (ES6+), Mantine UI, Bootstrap 5.
  • Backend: Python (Flask/FastAPI), Node.js, RESTful APIs, RBAC Security.
  • Data & Infrastructure: PostgreSQL, MySQL, Docker, Linux (Ubuntu Server), Git/GitHub.
  • Security & Forensics: Log Analysis, SQL Injection Prevention, CORS Hardening, Rate Limiting.

🛡️ Areas of Interest

  • SaaS Architecture: Multi-tenancy, scalability, and high-volume data processing.
  • Security Automation: Building self-healing and secure-by-design backend infrastructures.
  • Fintech & Lead Gen: Optimizing financial flows and real-time data validation.

📫 Let's Connect
LinkedIn | luisalejandroesquivelrojas@gmail.com

Open to remote opportunities as a Junior/Mid Full-Stack Developer, Backend Engineer, or Security-Focused Developer. Target Rate: $15 - $20 USD/hour.

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    A custom-built Full Stack Business Management System for a pastry shop, featuring a Flask REST API, React admin panel, and MySQL database architecture. 90% handcrafted logic.

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