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L

León

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Buenos Aires, Buenos Aires C.F., Argentina
Available on CazVid
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Competencies

Python

Experiencia demostrada en Python.

Node.js

Experiencia demostrada en Node.js.

PHP

Experiencia demostrada en PHP.

React

Experiencia demostrada en React.

JavaScript/TypeScript

Experiencia demostrada en JavaScript/TypeScript.

Education

Systems Engineering (Ingeniería en Sistemas)
Universidad Bicentenaria de Aragua, Venezuela

Languages

SpanishNativo
EnglishB2 / Intermediate–Advanced (professional working proficiency)

Summary

Perfil profesional

Experience

Full Stack Developer

Epayco

Developed and maintained RESTful APIs using NestJS connected to MySQL via Prisma ORM, handling a dual-database architecture with read/write separation and sync logic.. Designed and implemented transaction-processing modules from scratch, focused on scalability and traceability.. Built a specialized module to ingest cloud-hosted files, using Redis to drive merchant-specific processing logic.. Created a shared internal package to eliminate redundant code across microservices, improving maintainability and team velocity.. Used Docker extensively for local development, ensuring consistent environments across the team.. Built a landing page requested by Banco Davivienda for Visa cardholders to redeem coupons and promotions through the Click to Pay franchise, developed in Laravel 11 and React following SOLID principles and industry best practices.. Owned the addition of new features, modules, and components on the client-facing dashboard for Epayco's affiliated merchants, built in React with functional components and best practices — including the Multicredito module, a redesign of the Payment Methods module, the Apple Domains module, and the Bre-B Refunds module.. Transitioned into frontend work on the ePayco dashboard (React), integrating with a Symfony-based backend and Elasticsearch, and collaborating closely with design and backend teams.

Back-end Developer

Sipecom / KFC Argentina

Integrated third-party billing and collection APIs into POS sales systems, improving processing efficiency by 70%.. Reduced stored-procedure errors on the assigned SQL Server database by 60% through query and logic optimization.. Built and deployed a Telegram bot running in a lightweight Docker container with an async webhook server, used to support deployment notifications and menu-management error detection, increasing error detection by 80%.. Refactored a separate Telegram bot that let KFC regional managers query product inventory and store metrics on demand, connecting directly to the SQL Server database.. Integrated delivery-provider APIs (Shipday, PedidosYA) and containerized core system components with Docker.. Improved task response time by 45% and increased the rate of production releases from twice to three times per month by strengthening the team's Agile/Scrum practices.

Back-end Developer

Amaxonia ERP S.A.

Contributed to 70% of a Laravel-based system for calculating and managing public-sector payroll in Panama.. Built REST APIs with Django REST Framework (Serializers and ViewSets) for a separate module, using DRF's native permission system and Django admin for internal management tooling.. Extracted a notification workflow out of a monolith into a standalone async microservice built with FastAPI, to prevent slow notification processing from blocking the main request thread under high load.. Developed a Flutter mobile app for point-of-sale use, covering product sales, inventory management, search, and user login.. Improved the schedule-management module's UX, cutting time to record and consult schedules by 25%, and delivered ongoing technical support to international clients.

Software Developer

Proyectos Luccitti C.A.

Built and maintained a WordPress-based website for an English-language institute, including a custom theme, an online booking system (+25% visitor conversion), and an advanced contact/event management plugin.. Provided ongoing technical support across multiple sites, improving stability by 30% and resolving performance and security issues.. Built foundational SEO and web development skills applied across client projects from early in the role.

Skills

PythonNode.jsPHPReactJavaScript/TypeScript
Published on CazVid - Sep 6, 2026
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