LEONEL PÉREZ
Software Engineer
Córdoba,X
Summary
Software Engineer with over 3 years of experience specializing in the creation of robust and scalable web solutions. Proficient in frontend development using Angular and full-stack development, seamlessly integrating solid backend architectures (Node, PHP, Java) with efficient and responsive user interfaces. Committed to clean code practices, optimized performance, and agile methodologies, driving projects to successful completion while ensuring high-quality standards. Passionate about leveraging technology to solve complex problems and enhance user experiences.
Overview
3
3
years of professional experience
1
1
Certification
Work History
FULL-STACK ANGULAR/PHP/NODE/ORACLE UCC
Universidad Católica de Córdoba
05.2025 - Current
- Legacy Project (MMC Monolith):
I participated in the modernization of key components of the monolithic system (MVC, PHP, Oracle), migrating functionalities to PHP 8+, and ensuring adherence to project standards.
I implemented server-side rendering with DataTables and jQuery on Blade views, optimizing query performance, and reducing data loading and filtering times for the user. - Innovation Project (SSO): I contributed to the design and development of a new Single Sign-On (SSO) platform for multiple products, using a Backend for Frontend (BFF) architecture with Nest.js and an Angular client.
I designed and implemented a 'trusted devices' strategy that improved the user experience (UX) and generated an estimated annual cost savings of $10,000 in OTP verification.
I contributed to the integration of APIs to centralize authentication, connecting with third-party services( Emblue ). Is consuming the university's internal RESTful endpoints.
ANGULAR FRONTEND DEV - CONTRACT
Planifik
02.2025 - 04.2025
- I designed and implemented a recursive component architecture in Angular for the visualization of complex logistics data (truck routes).
- This strategy was designed to present dense and customized data tables, achieving high code reuse, and significantly reducing maintenance complexity.
- I collaborated closely with the backend team (Node.js) to optimize data ingestion and ensure a smooth user experience.
FULL-STACK ANGULAR/JAVA/MYSQL
No Country
11.2022 - 01.2025
- Co-working Project (Microservices): I developed on a platform (Java/Angular) under a microservices architecture, implementing an algorithm (Big O notation) to optimize queries (MySQL) and integrating the Google Cloud Maps API.
- Proyecto Tech Leads (State Management): Implementé un sistema de gestión de estado robusto con RxJS y NgRx en Angular para una plataforma de gestión de equipos, asegurando la escalabilidad y el manejo de datos asincrónicos (tareas, estatus).
- Real Estate Project (Full-Stack): I developed a real estate management application using a full stack of Java (Spring Boot), MySQL and Angular/Tailwind
ASTRO FRONTEND DEV - CONTRACT
GeoAtacama
07.2024 - 08.2024
- I led the redesign of the web management platform, executing a strategic migration from a monolithic WordPress system to a modern framework (Astro.js).
- I contributed to the development of the performance and loading speed strategy for the project, eliminating the use of plugins (WordPress), and ensuring adherence to the project's standards.
- I implemented a high-fidelity responsive design using Tailwind.js, ensuring an optimized user experience as part of the new architecture.
Education
Computer Programming
Universidad Tecnológica Nacional (UTN)
12-2026
Skills
- Angular (v12)
- JavaScript (ES6)
- Object-oriented programming
- MySQL
- Java
- PHP
- Amazon Web Services (AWS)
- SOLID Design Principles
- Full-stack development
- Single Sign-On implementation
- Microservices architecture
- RESTful API integration
Certification
- Java Developer - EducacionIT
Issued 2024-03 - Expires 2024-10
- Metodologías Ágiles (Scrum Fundamentals, Agile Team, Project Management) - EducacionIT
- FullStack Developer Angular/Java - Argentina Programa 3.0
Languages
English
Full Professional
Spanish
Native or Bilingual
Timeline
FULL-STACK ANGULAR/PHP/NODE/ORACLE UCC
Universidad Católica de Córdoba
05.2025 - Current
ANGULAR FRONTEND DEV - CONTRACT
Planifik
02.2025 - 04.2025
ASTRO FRONTEND DEV - CONTRACT
GeoAtacama
07.2024 - 08.2024
FULL-STACK ANGULAR/JAVA/MYSQL
No Country
11.2022 - 01.2025
Computer Programming
Universidad Tecnológica Nacional (UTN)