Joel Guillermo Romero FernándezFull Stack Developer
I am an accomplished software developer with 5 years of experience, recognized for delivering high-quality, efficient, and scalable software solutions, my main role .NET Backend Developer. With a diverse set of skills in programming languages and frameworks, including C#, .Net 6, .Net Core, .Net, Entity Framework, API, MS SQL Server, MySQL, jQuery, JavaScript, Typescript, Git, Unit Test, Angular. I have worked across various industries, including law firms, health, insurance, and moving services, delivering projects of varying sizes and complexities. I enjoy learning new things and am constantly looking for new learning opportunities. I am a team player who offers help. I love sharing my knowledge with my coworkers. Furthermore, my problem-solving and critical thinking abilities enable me to analyze complex problems, identify innovative solutions, and implement them efficiently.
Certifications
C#
C#
12/14/2022
.NET Core
.NET Core
10/12/2022
C1 Advanced
C1 Advanced, B2 Upper Intermediate, B1 Intermediate
10/07/2021
C# .NET
C#.NET, .NET
11/26/2019
C# .NET
C#.NET, .NET
11/26/2019
Tech stack
C# (8)
.NET (7)
.NET Core (4)
C1 Advanced
C#.NET
B1 Intermediate
B2 Upper Intermediate
JavaScript (8)
CSS (7)
HTML (7)
Microsoft SQL Server (6)
Bootstrap (5)
MySQL (5)
PHP (5)
jQuery (5)
Angular (4)
TypeScript (4)
NUnit (2)
NHibernate (2)
CodeIgniter (1)
AJAX
Unit Testing
JSON
GitHub
Experience
Software EngineerBairesDev
06/2022 - Currently

Technologies: C#, .NET, .NET 6, ASP.NET Web API, Entity Framework core, Scrum, Git, NHibernate, TDD, Unit Test, Integration Test, Angular 2+, TypeScript, JavaScript, CSS, HTML5, Azure DevOps, Microservices, NUnit, MSTest

.NET Core
C#
JavaScript
HTML
Angular
CSS
NHibernate
NUnit
TypeScript
.NET
Programmer analyst (Analista Programador)Ministerio de Economía, Planificación y Desarrollo
03/2021 - 05/2022

Responsibilities: • Build web applications that fulfills specific needs. • Evaluating existing applications and performing updates and modifications. • Developing technical handbooks to represent the design and code of new applications. Technologies: ASP.NET MVC Framework , .NET Core, C#, HTML/HTML5, CSS/CSS3, Visual Studio 2022, SQL Server Management studio 18, Bootstrap, JavaScript, Jquery, Ajax, Angular, Git, GitLab, Azure DevOps

.NET Core
JavaScript
HTML
Angular
CSS
C#
.NET
Microsoft SQL Server
Bootstrap
TypeScript
Web developer (Desarrollador web)Grupo Read
10/2017 - 01/2021

Responsibilities: • Designed and implemented the database schema • Develop DML, DDL, Store Procedure, Triggers, Functions in SQL. • Implementation of the request creation and modification module. • Analyzed and designed applications according to the MVC pattern. Technologies: PHP, CodeIgniter, MySQL Workbeanch, JavaScript, Jquery, Ajax, ASP.NET MVC FRAMEWORK , .NET, C#, HTML/HTML5, CSS/CSS3, ADO.NET, SQL SERVER, Bootstrap, Git

PHP
JavaScript
HTML
CSS
Bootstrap
MySQL
.NET
C#
Microsoft SQL Server
jQuery
Business Inteligence Analyst (Analista de Inteligencia de Negocios)Farmacard
10/2016 - 10/2017

Responsibilities: • Create DML, DDL, store procedure and trigger in SQL. • Develop business intelligence report. Technologies / tools used in this work: BIRT, JavaScript, MySQL WorkBench, PHP (CodeIgniter)

PHP
JavaScript
MySQL
CodeIgniter
C#
jQuery
Microsoft SQL Server
Education
20486-D Developing ASP. Net Core MVC Web ApplicationTEOREMA
05/2021 - 08/2021
ASP.NET C# DeveloperITLA
09/2018 - 12/2018
PHP DeveloperINFOTEP
05/2015 - 08/2015
SQL Oracle DeveloperFree Code Academy Foundation
01/2014 - 04/2014
Diploma English Second LanguageUASD - English immersion program MESCYT
01/2013 - 11/2013
Software Engineer (bachelor's degree)Technological University of Santiago (UTESA)
02/2011 - 02/2018