William Vargas
Backend Developer | Full-Stack Capabilities
Building robust systems with elegant interfaces
About Me
I architect high-performance backend solutions, while crafting intuitive UIs with my dual expertise in RESTful APIs and modern frontend development allows me to bridge the gap between system reliability and user experience
Currently expanding my toolkit for serverless architectures and optimizing full-stack workflows. Passionate about clean code, scalable databases, and responsive interfaces that work together seamlessly
Skills
Work Experience
PostgreSQL Synchronization System
Bidirectional (master-master) synchronization for two PostgreSQL databases with identical schemas. Ideal for databases on separate servers.
Web Inventory System
A NextJS-based web system integrated with an ERP database, enabling management of clients, products, and inventory operations. Key features include serial number tracking and individual item traceability for enhanced control
Parking Management System
Web-based parking management system for tracking entries, exits, currencies, and daily reports. Enables efficient vehicle (car/motorcycle) monitoring and streamlined ingress/egress control
ERP Reporting API
API for managing diverse reports—from quarterly or bimonthly sales reports to fully customizable product listings—connected to a PostgreSQL database within an ERP system
Venezuelan Movies (Open Source Project)
A comprehensive, open-source web platform for cataloging Venezuelan films and related news, enabling registered users to contribute and manage movie and director data
Latitud 58 - Fast Food Restaurant Website
Full frontend React application for a fast-food restaurant, implementing a user-friendly interface for online ordering with direct integration to DoorDash and a custom Google API-powered contact form.
Private VPN & Reverse Proxy Infrastructure
Deployment of a secure private network infrastructure using OpenVPN and a reverse proxy to manage and expose local services safely to the internet
