Brayan Cortés

Full Stack Developer with the ability to work in teams, adapt to changes, and learn new technologies.

Bogotá, Colombia

About Me

Systems Engineer with experience in backend development, production system maintenance, and process automation. Skilled in Java, Python, SQL, and Docker. Currently working at LGCNS Colombia on the SIRCI Project, enhancing electronic fare collection systems. Passionate about scalable architectures, automation, and continuous improvement.

Experience

LGCNS Colombia - SIRCI Project (Fare Collection System)

Systems Engineer / Backend Developer

2024 - Actual

Maintenance and improvement of the electronic fare collection system. Handle production incidents, implement new client requirements (Recaudo Bogotá), and manage application servers. Backend development using Java and SQL with a focus on performance and reliability, and task automation through Python scripting. Contribute to the integration and optimization of web components (JSP, HTML, JavaScript).
JavaSQLPythonJSPBackendAutomation
Thesis Proposal Registration System

Backend Developer

2023 - 2023

Designed and developed a backend prototype for managing thesis proposals, prioritizing information availability and security. Built with Python, FastAPI, Docker, Prometheus, Grafana, and PostgreSQL.
PythonFastAPIDockerPrometheusGrafanaPostgreSQL
DiaBett

Development Leader

2023 - 2023

Led the development of a mobile application to support type 1 diabetes patients, coordinating an engineering and medical team from Tecnológico de Monterrey. Used Kotlin with Jetpack Compose, MVVM architecture, and agile methodologies (Scrum).
KotlinJetpack ComposeMVVMScrumMobile Development
Freelance

Python Instructor for Data Science

2020 - 2021

Delivered personalized Python lessons focused on data analysis and visualization using libraries such as NumPy, Matplotlib, and Seaborn.
PythonData AnalysisMatplotlibNumPySeaborn

Education

Universidad Católica de Colombia

2019 - 2024

Systems and Computer Engineering
Oracle Next Education

2024 - 2024

Backend Development

Projects

Drawer-IA •

AI that predicts the content of a drawing trained with the QuickDraw dataset, using the Python programming language and the TensorFlow library.

Machine LearningData SciencePythonTensorFlow

Skills

Java
Python
SQL
Kotlin
Docker
Linux
Git
JavaScript