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Hi, I'm Julian Rosas Sandillú

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About Me

Passionate developer from Rosario, Argentina, creating digital experiences since 2023

Full-Stack Developer

Technology has always been part of my life, ever since I was very young, and being the curious sort I am, I was always interested in finding out how the things I used every day worked. That’s how I taught myself about hardware and software, until, in 2017, I started fixing computers for customers who knew me. In my eagerness to keep learning how things work on the inside, I decided in 2023 to take the plunge and learnt to programme using Python and Django, and I haven’t stopped since. That same year, I built the first version of this portfolio using HTML, CSS and JavaScript, and in 2024 I started working as a professional developer. What I’m most passionate about when it comes to programming is the feeling of having the world in my hands and on my keyboard: being able to create anything I can imagine from scratch, improve on what already exists, and develop tools that make other people’s lives easier.

Information Systems Engineering (Software Engineering)

Programming taught me how to build things, but I wanted to learn more. That’s why, in 2024, I started a degree in Systems Analysis at the Universidad Nacional de Rosario (UNR), but in 2025 I switched to Information Systems Engineering (Software Engineering) at the Universidad del Centro Educativo Latinoamericano (UCEL), as this programme offered a better and more comprehensive curriculum. For me, this degree course is the foundation that complements everything I’ve learnt through self-study and the path to continuing my professional development.

English

I was interested in English since I was a child, thanks to my love for music and my curiosity about what my favorite songs were saying. As a result, I completed the nine-year English language programme in Argentina at an institute called ‘Cilel’ in Rosario, but I still had to sit the First Certificate exam. So, in 2021, I sat the University of Cambridge First Certificate exam at the Rosario Association of English Culture and achieved level B2. My aim is to continue improving until I reach C2 Proficiency level and work in international teams.

Physical Education Teacher

Before writing my first line of code, I graduated as a Physical Education teacher at the Instituto Superior Incorporado “Gral. San Martín”. Teaching gave me skills that I still use every day as a developer: explaining complex ideas clearly so that anyone can understand them, working as part of a team, being patient and planning before taking action. Teaching a class and leading a software development project are more similar than one might think, because in both cases you need to understand people, organise the work and ensure everyone reaches the goal. And as if that weren’t enough, I ended up developing software for sports clubs, so my grade and my profession eventually came together.

3+

Years of experience

2+

Completed projects

20+

Technologies

Experience

Where I've worked and where I've learned

Full-Stack Developer in Python and Django

IT Sport Group - Brio Software Club 1039 José Ingenieros, Rosario, Argentina

01/04/2024 — Present Current Position

Lead programmer for the software known as ‘Sede Virtual’ by Brio Software Club. Development and maintenance of software applications for sports organisations.

2+ Years as a lead programmer
5+ Modules created
2+ Years of dedicated, ongoing support

What I built

Brio Sede Virtual I assist with the development, continuous improvement and maintenance of the Sede Virtual. A cross-platform web application designed as a service for sports organisations.
Brio Lite I helped build the Lite and web versions of Brio, a legacy desktop software programme, from scratch. This version is designed for small clubs.
Events Module I helped to develop and provide support for the Events module of Sede Virtual. This module allows users to create events of any kind, enabling the sale, purchase and access control of tickets using QR codes.
Seasons Module I helped build the ‘Seasons’ module for Sede Virtual from scratch and develop it. This module allows users to create summer and winter seasons, complete with their own promotions, for the online sale of the club’s swimming pool and summer camp services.
Shipping Module I helped build the Sede Virtual Mailings module from scratch and develop it. This module allows you to create mailing campaigns via email, WhatsApp, SMS and push notifications to communicate with your members.
News Module I helped build the Sede Virtual News module from scratch and develop it. This module allows news items to be created in a feed where members and non-members can view all the club’s recent announcements and events.
Certificates Module I helped to build from scratch and develop the Certificates module for Sede Virtual. In this module, members can upload the certificates required by the club for an activity, whilst club administrators can review these certificates for approval or rejection.

Moments

PythonDjangoDjango RESTPostgreSQLAWSHerokuRedisCeleryGitGitHubClaudeChatGptJiraLeadershipTeamworkCommunicationCoordination between departments
Website Sports Management Blog Instagram YouTube

Featured Projects

A selection of my recent work in game and web development

Unity C#

Gems Crawler

A third-person 3D dungeon crawler RPG in which you explore various caves, with the aim of finding the gems needed to lift the curse from the village.

Trailer on YouTube Build Version 0.5
DandDex banner
Python Django React

DandDex

Dice and Dexterity is a PWA-based compendium for role-playing games, containing everything you need for your game from the comfort of your mobile phone.

Unity C#

Space Commander

A 3D space shoot ’em up game in which you play as a space commander.

Build Version 1.0.3

Skills & Technologies

The tools and technologies I work with to bring ideas to life

Back-end

Python

Advanced

Django

Advanced

Celery

Advanced

Redis

Advanced

Databases

PostgreSQL

Advanced

MySQL

Proficient

Front-end

HTML

Advanced

CSS

Advanced

JavaScript

Advanced

Bootstrap

Advanced

Cloud & DevOps

AWS

Proficient

Ubuntu

Proficient

Nginx

Proficient

Gunicorn

Proficient

GitHub Actions

Proficient

Heroku

Proficient

Game Development

Unity

Proficient

C#

Proficient

Tools

Git

Advanced

GitHub

Advanced

Claude

Advanced

ChatGPT

Advanced

Get In Touch

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