Software Engineer | Backend Developer

Systems Engineer with solid experience in backend development for web and mobile applications, specialized in .NET, C#, Python and Node.js. Expert in scalable API design, database optimization and deployment automation. Proactive, self-taught and focused on continuous improvement.

Years of experience

16+

Projects

12+

Technologies

16+

Public repos

Tunja, Boyacá, Colombia

Available for hire

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About me

I am a backend developer specialized in .NET, with focus on scalable APIs, database optimization and deployment automation. I'm interested in building practical, maintainable solutions with good performance.

I also have experience with Node.js and Python. I like to accompany teams in best practices, code review and clean design.

Clean Architecture

SQL / EF / Dapper

CI/CD & Docker

Team Lead

Performance oriented

Query optimization and response times

Reliability

Best practices, testing and observability

Collaboration

Mentoring and code review

Skills

Experience applied in production

Languages & Frameworks

.NET 8 / C#

4+ years

Enterprise & retail systems

Python & Django

3+ years

Web & scripting

Spring MVC

1+ years

Academic & enterprise projects

ORM & Data Access

Entity Framework & Dapper

4+ years

CQRS & data optimization

Databases

SQL Server / PostgreSQL / MySQL

5+ years

Transactional & reporting systems

Languages & Runtime

Node.js

3+ years

APIs & microservices

Cloud & DevOps

Docker

3+ years

Containerized apps & plugins

Azure DevOps

2+ years

Project management & pipelines

DevOps & Automation

CI/CD (GitHub Actions, GitLab CI, Azure Pipelines)

3+ years

Automated builds & deployments

Architecture & Design

Clean Architecture / CQRS / DDD

3+ years

Enterprise systems

Frontend

React / Next.js

2+ years

E-commerce & dashboards

Mobile

Flutter & React Native

1+ years

Cross-platform apps

Database optimization

Faster and more efficient queries in production

Scalability

Maintainable systems ready to grow

Best practices

Security, testing and observability

Featured projects

Technologies (select any to filter):

light-query

Data-fetching library for React with hooks for queries, mutations and infinite loading, with configurable cache and Suspense support.

React

TypeScript

NPM

High

Learning

Active

Activity

Html2Pdf

.NET 8 library to convert HTML to PDF using RazorLight and PuppeteerSharp. Includes browser pool, DI and customizable options.

.NET 8

RazorLight

PuppeteerSharp

Optimal

Performance

Production

Usage

SimpleMediator

Lightweight implementation of the Mediator pattern for .NET 8 with support for commands, queries, notifications and customizable behaviors.

.NET 8

Lightweight

Size

Yes

Extensible

Flask Forge CLI

Clean Architecture scaffolding CLI for Flask (OOP-first). Generates domain/app/infra/interfaces, wires DI, sets up Alembic (autogenerate-ready env.py), and includes DX niceties (ruff/black/pre-commit, dev server, resource generator).

Python

Flask

Typer

Jinja2

SQLAlchemy

Alembic

High

Clean Arch

Scaffolds

mini-php-framework

Educational micro-framework in PHP with DDD & Clean Architecture: attribute routing, PSR-15 middleware, basic CQRS and JWT auth.

PHP 8.4+

PSR-4/12/15

SQLite

High

Learning

Core

Modules

VoiceCMD + Snake (Monorepo)

OOP voice command recognizer using FFT → split into N parts → band energy with SQLite profiles. Includes CLI, Tkinter GUI for dataset/live testing, and a Pygame Snake demo.

Python

NumPy

SciPy

sounddevice

soundfile

SQLite

Tkinter

Pygame

CLI

FFT/Bands

DSP

Streaming

Live

Tulipann Store

E-commerce platform with frontend and SPA dashboard in React + TypeScript + TailwindCSS and API in Django REST Framework.

React

TypeScript

TailwindCSS

Python

Django REST Framework

Full Stack

Modules

E-commerce

Objective

Unitrack

Distributed system for bus stop schedules: Flask backend (microservices) + React frontend; docker-compose and deployment with Kubernetes/Minikube.

TypeScript

React

Python

Flask

Docker

Kubernetes

Microservicios

K8s

Orquestación

UniRutas + FlexCore

Use case that demonstrates FlexCore, Java mini-framework agnostic to database engine (supports MySQL, PostgreSQL and MongoDB).

Java

FlexCore

MySQL

PostgreSQL

MongoDB

FlexCore

Framework

SQL & NoSQL

DB Engines

Automata Wordle

Wordle clone with deterministic finite automaton modeling; Flask backend, PySide6 desktop app and UI in Astro.

Python

Flask

PySide6

Astro

TypeScript

JavaScript

Astro

Frontend

PySide6

Desktop

Secure Chat (C)

Secure chat in C with sockets; hybrid encryption (RSA for exchange and AES for messages), Base64 encoding and system utilities.

Sockets

RSA

AES

RSA/AES

Encryption

Low level

Paradigm

Grafos App (PyQt6)

Desktop application to create/analyze graphs with PyQt6 and NetworkX; visualization, adjacency matrices/lists and shortest path.

Python

PyQt6

NetworkX

Matplotlib

Paths

Algorithms

PyQt6

Post Office (Frontend)

Web client for an academic mail server; React + TypeScript with integration to custom API.

React

TypeScript

CSS

Domain

Custom API

Integration

Post Office API

Backend API for mail server: Python, with optional Docker container and SMTP/POP3/IMAP-like support.

Python

Docker

SMTP/POP3/IMAP

Protocols

Docker

Container

Spidey (Text Mining)

Text analytics project on digital transformation in universities: crawler, preprocessing and visualizations.

Python

JavaScript

HTML

CSS

Py + JS

Stack

NLP/ETL

Type

UniApp Unillanos (Flutter)

Flutter mobile app for university routes and news; accompanied by Python services and Docker support.

Flutter/Dart

Python

Docker

Mobile

Platform

Dart + Py

Services

Experience

Backend Technical Lead .NET

Enternova SAS (Remote)

January 2025 – September 2025

Bogotá, Colombia

Backend team leadership in supply chain projects
Code review, mentoring and continuous training
Participation in key architectural decisions
Delivery of scalable and robust solutions

.NET Backend Developer

Enternova SAS (Remote)

November 2024 – January 2025

Bogotá, Colombia

Development of information systems in .NET
Integration of external services and SQL Server
Database maintenance and optimization

C# Backend Developer

Ignition Games (Remote)

October 2024 – January 2025

Villavicencio, Colombia

Development of chatbot with artificial intelligence
Implementation of microservices architecture
Deployment on Azure Cloud

Software Developer

Centro de Enseñanza Automovilística JMontoya (Remote)

October 2023 – July 2024

Villavicencio, Colombia

Development of 4 websites integrated with Strapi CMS
Design and development of enterprise management system with Django and Next.js
Improvement of internal processes through digitalization

Software Developer

TulipannStore (Remote)

October 2021 – January 2023

Bogotá, Colombia

Development of e-commerce platform and administrative panel
Implementation of payments and order management
UI/UX optimization with React and Django

Let's talk

Open to new opportunities and collaborations.

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