Medellín, Colombia
Brayhan Alexander Escobar Rivera
Full Stack Developer · React · Next.js · Node.js · PostgreSQLFreelance Experience · Programming Teacher · Computer Engineering Student
Full Stack Developer and ninth-semester Computer Engineering student at Politécnico Colombiano Jaime Isaza Cadavid. Has built software for real clients since 2025, integrating frontend, backend and data with JavaScript, React, Next.js, Node.js, PostgreSQL and SQLite. Combines development with teaching and research in the AI Research Group (SIIC).

Featured projects

Commercial (freelance) · In production · 2026
App Milagros
Local-first, fully offline point-of-sale and inventory system for a hair-products store.
- Node.js
- Express 5
- SQLite (better-sqlite3)
- JavaScript
Commercial · Deployed · 2026
APEX-WEB
12-section outreach website for the APEX research project.
- Next.js (App Router)
- React
- TypeScript
- Tailwind CSS v4
Academic (individual) · Deployed · 2025
Adivina Quién Web
Real-time multiplayer game with simultaneous rooms, server-validated turns and rules.
- Python 3.10+
- Flask
- Flask-SocketIO
- threading (locks por partida)
Hackathon · Prototype · 2026
NatiChain
Savings circle (natillera) governed by a smart contract on Monad Testnet. Winner of Monad Blitz Medellín V2.
- Solidity 0.8.28
- Monad Testnet (EVM)
- Scaffold-ETH 2
- Hardhat
Other academic projects
- Presupuesto personalCloud web app to create a monthly budget and keep track of expenses.Next.js, VercelRepository
- Sistema Experto DiagnósticoAcademic Python project with an application (app.py) and a Jupyter notebook about a cleaning-robot agent.PythonRepository
Experience
Sep 2025 – present
Independent Full Stack Developer
Freelance
Custom software development for clients: requirements, architecture, frontend, backend, testing, deployment and delivery.
Aug 2026 – present
Teaching Assistant, Operations Research
Politécnico Colombiano Jaime Isaza Cadavid — Facultad de Ingeniería
Tutoring for students and classes covering for instructors.
Jul 2026 – present
Student researcher
Semillero SIIC (IA) — Politécnico Colombiano Jaime Isaza Cadavid
APEX initiative: gamification and responsible AI for learning to program (ongoing research, no published results yet).
Jun 2024 – Jun 2026
Programming teacher
Kodland LATAM
Programming and logic classes for children and teenagers using Lua and Roblox Studio. Also private programming tutoring (independent, ongoing).
Achievements
Oct 3, 2026
Team APEX — 29th of 111, 40th ACIS/REDIS National Programming Marathon
Universidad EAFIT. Qualified for the ICPC South America North Finals 2026.
Oct 17, 2026
NatiChain — shared first place (with PACT) at Monad Blitz Medellín V2
Hackathon in Medellín.
Nov 6, 2026 (scheduled)
Talk at the 5th Engineering, Innovation and Sustainability Meeting
Scheduled talk.
Contact
Have a project or an opportunity in mind? Let's talk.