Hello, I am

Esteban Ramos

Mobile and Web applications | Developer

Who am I ?

I am a software developer, passionate about mobile app development.

My name is Esteban Ramos, I am a computer engineer dedicated to software development and a technology lover. If you are looking for professionalism and dedication, count on me!

Personal Info

My Expertise

Mobile application developer

Development applications for android.


Web Development

Web pages and Backend.


Design

Creating modern and intuitive interfaces for mobile and web applications.


My Resume

Expertise

2024 - Present

Developer at Certus Insurance

(CERTUS)

I am part of the Certus development team, contributing to the evolution and maintenance of its platform. My work ranges from implementing new modules and features to optimizing system performance.


2022 - 2023

Professional Academic Assistance Center

(CAAP)

Professional Academic Advice (Advice for the design of topics essays, monographs, dissertations, dissertation plans, theses or other projects scientists) in the area of ​​software development.


2019 - 2023

Mobile app developer in

(APKLIS)

Official and reliable provider for the distribution of Cuban and foreign applications for Android.

Education

2023 - 2025

Master of science in electronics

I am pursuing a master's degree in electronics at the University of Sonora in the control area, developing electronic devices and implementing neural networks.


2016 - 2021

Computer Engineer

I did my university studies at the University of Las Tunas in Cuba, where my passion for software development began.

Skills

Kotlin
Java
TypeScript
Python
PHP
Angular
Jetpack Compose
CodeIgniter
MySQL
PostgreSQL

My Services

Android

Development of native Android applications using Kotlin and Java. Implementation of modern architecture patterns (MVVM, Clean Architecture), Jetpack Compose for modern UIs, dependency injection with Dagger Hilt, data persistence with Room, and API integration with Retrofit. Focus on performance optimization and clean code practices.

Web

Full-stack web development using modern technologies. Frontend with Angular and TypeScript for robust SPAs, backend with PHP/CodeIgniter for scalable APIs. Database design and management with MySQL and PostgreSQL. Implementation of responsive designs and secure authentication systems.

Design

Creation of modern and intuitive user interfaces using Jetpack Compose for Android and Angular Material for web applications. Focus on responsive design, accessibility, and optimal user experience. Implementation of material design principles and custom animations.

I am Available to Work

Contact me

My Portfolio

Studio QR
STUDIO QR

Application created in Java with the Zxing library to scan QR and bar codes and generate information in QR.

RADIOCUBANA
RADIOCUBANA

Streaming audio player application, created in kotlin with MVVM, dependency injections with Dagger Hilt, data persistence with ROOM, mediaplayer, using recyclerview, foreground services, coroutines.

SERVICEL
SERVICEL

Application created in Java for the management of the mobile services of the telephone company ETECSA. Data persistence with sharedpreferences, widgets with functionalities, generation of data transfer by QR code.

MTSS
Web template with CodeIgniter

Template created with PHP for systems with user sections, CodeIgniter, Ion Auth, Bootstrap and MySQL database system.

ADDME
ADDME

Application developed in Kotlin to share social networks. Login register users, MVVM, clean architecture, dependency injections with dagger hilt, retrofit, coroutines, recyclerview with multiple listeners, backend with PHP.

Lottery
System of probabilities and numerical forecasts.

Web system developed with the MVC design pattern, PHP, as CodeIgniter development framework, Bootstrap, HTML5, JavaScript and MySQL.

EAAC
Colombian Sugar Agroindustrial Company

Web system for information management, made with CodeIgniter, Bootstrap and MySQL.