Hello I´m

Kenley 🧑🏽‍💻

Frontend And Backend Developer

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About me

Get to know me

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Frontend & Backend Developer +2 years experience. Passionate about technology and software development, working with modern tools to create efficient and secure solutions. Outside the world of coding, I enjoy watching anime, reading manga, light novels, and manhwas, immersing myself in fascinating stories. I also like listening to music and exercising, always seeking a balance between mind and body.

Skills

Technologies and tools

Frontend Development 💄

HTML

CSS

JavaScript

TypeScript

Tailwind CSS

React

Next JS

Vue JS

Bootstrap

Backend Development 🥷

Node JS

SQL Server

C#

MySQL

ASP.NET

Work Experience

Professional Journey

Freelance Web Developer | ECOTEC – Production Management

July 2025 - August 2025

  • I participated in the development of a comprehensive web application for the daily record of production of construction materials, with generation of administrative reports for bond calculation.
  • Implemented full CRUD operations for multiple system entities, applying ASP.NET Core 6 (MVC), SQL Server, Dapper, DTOs, ViewModels, repositories, and services.
  • I contributed to the development of report modules, implementing independent views (create, edit, details and PDF generation by date range) and adapting functionalities to user profiles such as production managers, operators and supervisors.
  • Elaborated and optimized SQL queries and scripts to improve performance in data collection and processing.
  • Performed functional tests by entering data and verifying validations to ensure the absence of errors or failures in the system.
  • I participated in the deployment of the application in the "Somee" hosting, allowing the end user to carry out tests prior to putting it into production.
  • I used tools like Visual Studio 2022, SQL Server Management Studio, and version control with Git.

Frontend Developer | Backend Developer | Smart Business Solutions (SMBS)

May 2023 - June 2025

  • Developed landing pages using Next.js, SCSS, Bootstrap, and Tailwind CSS.
  • Implemented REST APIs using ASP.NET, LINQ, SQL Server, and JWT.
  • Used coding tools such as Visual Studio Code and Visual Studio 2022, along with database management in SQL Server Management Studio.
  • Designed an inventory solution that reduced entry and exit registration time by 40%.
  • Utilized tools like Visual Studio, Postman, and version control with Git.
  • Participated in agile teams managed with Jira.

Web Developer | University Project

May 2022

  • Inventory Manager: C# program that tracks stock for a hardware store, allows queries on available and out-of-stock items, and enables merchandise additions. The data is stored in a database created with SQL Server.
  • Technologies used: .NET, C#, SQL Server Database, Visual Studio 2022.

Portfolio

Personal Projects 💼

My Hero Academia API

My Hero Academia API

A comprehensive REST API for managing Heroes, Villains, Quirks, and Items from the My Hero Academia universe. Built with clean architecture principles and modern .NET practices.

Technologies:

.NetEntity FrameworkSQL ServerRepository Pattern
Event Management System

Event Management System

Web app for organizing events with tools for managing organizers, attendees, sponsors, and real-time registration—all from a unified dashboard.

Technologies:

Next.jsTypeScriptTailwind.NETSQL Server
Food Delivery Platform

Food Delivery Platform

App that merges recipe discovery with ordering features. Users browse, save recipes, generate lists, manage carts, and engage via reviews and blogs.

Technologies:

Next.jsSCSSBootstrapContext API
Asset Loan API

Asset Loan API

Backend API that handles inventory loans, request approvals, secure JWT access, and detailed tracking of item availability and return lifecycle.

Technologies:

.NETEntity FrameworkSQL ServerJWT
Digital Library System

Digital Library System

Library app for managing users, books, and borrowing limits with responsive filters, smooth modals, and real-time feedback for better UX.

Technologies:

Next.jsTypeScriptTailwind.NETSQL Server
Marvel Universe Website

Marvel Universe Website

Static site that showcases Marvel content using BEM, SASS, and Bootstrap. Offers multi-page navigation with simple JavaScript enhancements.

Technologies:

HTMLJavaScriptSASSBEM
Pokédex Pro

Pokédex Pro

Interactive Pokédex built with GraphQL and Redux. Users can search, filter, and explore Pokémon, items, and moves with full detail and speed.

Technologies:

Next.jsGraphQL APIRedux ToolkitSASS
TrackIt

TrackIt

Client-side app for managing item loans with dashboards, user roles, real-time updates, and request workflows via full API integration.

Technologies:

Next.jsTypeScriptTailwindReact QueryJWT
Task Master Pro

Task Master Pro

Task manager with secure login, offline support, and Next.js ISR to ensure stable and efficient performance with near-perfect uptime.

Technologies:

Next.jsSCSSJWTBootstrap

Contact me

Get in touch with me 👋

Phone

+505 5808-3149

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Github

github.com/Gaitan19

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Email

kenleyjos619@gmail.com

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