Photo of Abner Gonzales
React & React NativeJavaScriptFirebaseTailwind CSSKotlinGitHubPython

Available for freelance projects

Hi, I'm Abner

Full Stack Developer who builds web and mobile apps for real businesses — from design to deploy, with clean code and concrete results.
I specialize in React, React Native and Firebase, and I also build native Android apps with Kotlin.
I've shipped POS systems, real-estate platforms and e-commerce stores that run in production every day.

Tech Stack

The technologies I use every day to build production-ready web and mobile apps.

React

Next.js

Angular

file_type_tailwind

Tailwind CSS

Vite

HTML5

CSS3

My Experience

  1. Software Support

    Corporation G&M Fabian S.A.C.

    January 2025 – May 2026

    Provided comprehensive hardware and software technical support, ensuring operational continuity and direct user assistance. Managed and optimized relational databases with SQL to generate reports, and supported the technical documentation of processes. Developed internal web systems and modules that streamlined inventory control and information flows, solving complex issues in the company's IT infrastructure.

    • SQL Server
    • JavaScript
    • HTML / CSS
    • Hardware & Software
  2. Freelance Full Stack Developer

    Projects for businesses

    Freelance · Present

    I design and develop complete systems for small businesses, from requirements gathering to deployment. I built Smart Market Pro, a point of sale and inventory system for a minimarket with expiration alerts, staff roles and cash register opening/closing; and Las Torres, a land-lot management platform with an interactive map, clients, advisors, payment installments and Excel/PDF reports. I also delivered an e-commerce store with Sanity CMS, an administrative dashboard with roles and charts, and a premium website for a design studio. I work with React, Firebase and Tailwind CSS, focusing on real-time data, a polished user experience and solutions that solve concrete problems.

    • React
    • Firebase / Firestore
    • Tailwind CSS
    • Sanity CMS
    • Recharts
    • PDF jsPDF / ExcelJS
  3. Full Stack Mobile Developer

    RescueMal

    September – December 2025

    Built a native Android app with Kotlin and Java to tackle stray animals, aligned with the Sustainable Development Goals (SDGs). Integrated Google Maps Platform to geolocate rescue reports and plot routes for rescuers, and designed the data layer on Firebase (Cloud Firestore for real-time sync and Storage for photo evidence), turning an informal rescue and adoption process into a traceable, centralized platform.

    • Kotlin
    • Java
    • Android
    • Firebase
    • Google Maps Platform
  4. Programmer Analyst · Software Engineering

    Universidad Autónoma del Perú

    Programmer Analyst 2025 · Software Engineering 2023 – Present

    Earned the Programmer Analyst diploma from the Faculty of Engineering and Architecture (November 2025) while studying Software Engineering (since March 2023), with solid foundations in programming logic, relational databases (SQL Server), object-oriented programming with Java and Python, and web development with HTML, CSS, JavaScript, Angular, .NET and Node.js. Also completed English I and II.

    • SQL Server
    • Java
    • Python
    • Angular
    • Node.js
    • HTML / CSS / JS

Projects

Real apps built with modern technology — systems that run in production for real businesses.

Las Torres — Land LotsIn production

Las Torres — Land Lots

Real-Estate Management

System for a land-lot development: interactive map with per-lot status, clients and sales advisors, payment installments, Excel/PDF reports and a sales metrics dashboard.

  • React
  • Firebase
  • Tailwind CSS
  • Recharts
  • PDF jsPDF
MNIST Digit RecognizerCompleted

MNIST Digit Recognizer

Offline AI on Android

Android app in Kotlin that recognizes handwritten digits (0-9) on the device, without Internet: a CNN trained on MNIST with Python and converted to TensorFlow Lite.

  • Kotlin
  • Android
  • TensorFlow Lite
  • Python
In production

Smart Market Pro

POS & Inventory System

Web platform to run a minimarket: fast point of sale, inventory with expiration alerts, staff management with roles, cash register opening/closing and a real-time metrics dashboard.

  • HTML
  • CSS
  • JavaScript
  • Firebase
Private demo
In production

GCorp Store

Full-stack E-commerce

Online store built with React + Sanity CMS. Cart with Context API, Framer Motion animations, dynamic catalog and an admin panel to manage products, categories and banners.

  • React
  • Sanity CMS
  • Tailwind CSS
  • Framer Motion
Completed

Admin Cactus

Admin Dashboard

Administrative dashboard with authentication, inventory management, interactive charts, PDF report export and role-based user access control.

  • React
  • Firebase
  • Tailwind CSS
  • Recharts
  • PDF jsPDF
Private demo
In development

Bella Market Mobile

Android POS App

Native Android app for sales and cash register management. Tablet-optimized interface, sales recording, inventory control and real-time synchronization.

  • Android
  • Kotlin
  • Jetpack
  • Firebase
  • Material Design
Private demo
Completed

Exprésate

Design & Print Boutique

Premium website for a creative print and design studio: interactive order configurator, luxury-styled service catalog and contact form.

  • HTML
  • CSS
  • JavaScript

Certifications

Academic credentials verifiable online that back my training.

I build apps that solve, sell and grow businesses.

Who am I?

Full Stack Developer and Software Engineering student from Lima, Peru. I build real systems for businesses: from POS systems to real-estate apps and e-commerce with a CMS. I specialize in React, React Native and Firebase, and I also develop Android apps with Kotlin.

My Approach

I focus on clean code, polished user experiences and deliveries that solve concrete problems. I enjoy Firebase and serverless architecture to ship production-ready apps quickly, without sacrificing quality.

Name:Abner Gonzales
Location:Lima, Perú
Education:Universidad Autónoma del Perú
  1. Foundation: Programmer Analyst

    Started Software Engineering at Universidad Autónoma del Perú in 2023 and earned the Programmer Analyst diploma in 2025, with foundations in programming logic, SQL Server and object-oriented programming.

  2. First Steps: Frontend

    I fell in love with frontend development: HTML, CSS and JavaScript, then Angular and Node.js. I published my first portfolio and started building personal projects to grow.

  3. Growth: Real Projects for Businesses

    I made the jump to production: a POS and inventory system, a land-lot management platform and an e-commerce store with Sanity CMS, all used by real businesses.

  4. Current Focus: Full Stack & Mobile

    Building web apps with React and Firebase and native Android apps with Kotlin, focused on real-time data, reporting and experiences optimized for every device.

I'm motivated to keep learning every day and to turn ideas into apps that work — useful, fast and ready for production.

Let's Talk!

Available for freelance projects — Got a project? I usually reply in less than 24 hours

Send Me a Message