JV
Open to remote work

José Hernán Varela

Senior Backend Developer

14 years in IT, 7 building APIs. Specialised in Python (Django and FastAPI), PostgreSQL and containerised architectures. Available for remote work across LATAM and Europe.

Python Django FastAPI PostgreSQL Docker

Professional Experience

14 years in IT. Between 2019 and 2023 I combined my full-time role with freelance, consulting and contract work.

IT Manager

PCVARELAVENEZUELA

  • I lead the IT department and the full technology infrastructure
  • Internal systems in Python and Django that automate previously manual processes
  • I administer the Linux infrastructure that keeps production running
  • Containerised, reproducible deployments with Docker, replacing the manual process
Python Django PostgreSQL Docker Linux Traefik Nginx

Backend Developer

Delzam

  • REST APIs with Django and Django REST Framework for a business management system
  • Service integration on top of that API
  • PostgreSQL query optimisation on the most heavily used endpoints
Django Django REST Framework PostgreSQL Docker Vue.js

Backend Developer

Zippyttech Tecnología e Innovación

  • Microservice architecture in PHP with Laravel and Lumen
  • Third-party API integration and real-time communication over WebSockets
  • Deployment automation through CI/CD
  • JWT security and fine-grained access control
PHP Laravel Lumen Microservicios WebSockets PostgreSQL MySQL

Backend Developer

Guásimos Municipality · Local Government

  • Municipal platform for citizen administrative procedures
  • Geographic information systems with PostGIS
  • Administration of the servers running the platform
  • Integration with existing government systems
Python Django PostgreSQL PostGIS

Tech Stack

Tools and technologies I work with

Languages

  • Python
  • JavaScript (ES6+)
  • PHP
  • SQL / PL/pgSQL

Frameworks

  • Django / Django REST Framework
  • FastAPI
  • Laravel / Lumen
  • Express.js / Vue.js

Databases

  • PostgreSQL / PostGIS
  • MySQL
  • Redis
  • SQL Server

DevOps

  • Docker / Docker Compose
  • Traefik / Nginx
  • Linux (Ubuntu, Debian, Fedora)
  • Git / Shell Scripting

APIs

  • REST APIs
  • JWT Auth
  • WebSockets
  • Microservices

Selected Projects

Work with real-world impact

Municipal Management System

Django PostgreSQL Docker
  • REST API handling citizen service requests
  • Geographic data for the municipality with PostGIS
  • Administrative dashboard built with Vue.js

Legacy System Migration

Laravel Lumen PostgreSQL
  • Migration from a monolith to a microservice architecture
  • Deployment automation through CI/CD

This Portfolio and Its Analytics Backend

FastAPI PostgreSQL Docker Traefik
  • Zero-dependency static site served by Nginx, with self-hosted analytics in FastAPI
  • IP addresses are never stored: only the truncated network and a salted hash
  • Authentication lives in the application, not the proxy, so it ships with the code
  • Source code and technical decisions on GitHub

Education

Associate Degree in Computer Science

IUFRONT

e-Business Developer

IUTAI

Certifications

18 certifications · over 215 hours of continuous learning (2024–2026), all from Platzi

Python

Language Platzi · Oct 2025

Django

Backend Platzi · Sep 2024

FastAPI

Backend Platzi · Aug 2025

Laravel

Backend Platzi · Oct 2024

Express.js

Backend Platzi · Apr 2025

PostgreSQL

Database Platzi · May 2025

Docker

DevOps Platzi · Oct 2025

JavaScript

Language Platzi · Mar 2025

Claude AI

AI Platzi · May 2025

Claude Code

AI Platzi · Jan 2026

Windsurf

AI Platzi · Dec 2025

Prompt Engineering

AI Platzi · Dec 2025

AI Tools

AI Platzi · Dec 2024

Intro IA

AI Platzi · Nov 2024

Terminal

DevOps Platzi · May 2025

Languages

Spanish Native
English Fluent technical reading and writing (B2)

Spoken English improving (A2–B1). Comfortable with English documentation, code reviews and asynchronous written communication.

Availability

Available for new projects

Full-time · Part-time · Freelance · Consulting

Time zone: UTC−4 (flexible) · Immediate start

Download CV: PDF DOCX

Get in touch