Welcome to my website — Systems Engineer

Sergio
Vargas

I have worked as a mobile and back end developer in languages such as Java, Kotlin, Dart and Swift, managing to work on large scale projects for companies in various sectors.

Contact Me
Sergio Vargas
{ About }

About Me

Welcome!

"Un verdadero artista no es el que se inspira, sino quien inspira a otros" — Dalí

02+
Years
Experience
10+
Completed
Projects
04+
Companies
Worked
Look at my repository
{ Skills }

Skillset

Technologies I work with

Android

Android

Java

Java

Oracle

Oracle

Git

Git

Firebase

Firebase

Dart

Dart

Kotlin

Kotlin

Console

Console

Postman

Postman

AWS

AWS

{ Qualification }

My Journey

Education & professional experience

2025
Master degree in Engineering
Universidad Nacional de Colombia
Maestría en Ingeniería — Ingeniería de Sistemas y Computación.
2023
Carrera de Desarrollo de Aplicaciones Android
Platzi
Knowledge in design patterns, software architecture and clean android code.
2023
Curso de Arquitectura de Android
Platzi
Knowledge of MVVM, MVP, MVC patterns and JetPack Compose architecture.
2022
Systems Engineering
Universidad de Cundinamarca
Kotlin and Java Development.
2021
Desarrollo de Apps Móviles
Universidad Complutense de Madrid
Studied environments, languages of development, history and mobile architecture.
2021
Diseñador de Aplicaciones Móviles
Universidad EAN
Development and design mobile apps in Java.
2024
Desarrollador Móvil
Payments Way S.A.S
Development and support of digital wallet for Coopcentral bank.
2024
Desarrollador de Aplicaciones Móviles
Sunco Energy S.A.S
Development of a mobile application for energy reading and billing through solar panels.
2023
Backend Developer
Universidad de Cundinamarca
Implementation and development of modules in large scale Java projects.
2023
Contractor for Mobile Developer
Decimetrix S.A.S
Mobile software development for oil and gas sector.
2022
University Practices
Emserfusa E.S.P
Development in PHP and SQL for create modules, administration of networking and Help Desk.
2021
Freelance
Android Developer
Projects with Kotlin.
{ Portfolio }

My Work

Most recent projects

Ingesoft
2026
Ingesoft
Android and web app built with Kotlin, Jetpack Compose, React and Firebase to support a university software engineering course: attendance codes, grades, agile project boards, live polls and quizzes.
Web App Repository
Tolima Schools
2024
Tolima Schools
Select a Municipality to consult Educational Institutions located in it.
Repository
MrOlympiaCompose
2023
MrOlympiaCompose
Participants of Mr.Olympia in the category Open and Classic-Physique.
Repository
E-commerce
2022
E-commerce
Design of an e-commerce that allows users to publish auction ads to view products by rating.
Repository
Spotify API
2022
API of Spotify
Request to the Spotify API, using Kotlin.
Demo
Carpetry
2021
Carpetry
Photos about furniture of a carpentry in Colombia.
Demo
Human Resources
2021
Human Resources
Project about a CRUD.
Demo
{ Contact }

Get in Touch

Let's work together

E-mail
sevargasp@unal.edu.co
Address
Fusagasugá, Cundinamarca — Colombia

Interested to work together?

Feel free to reach out through my social channels.