JacoboBlandón.

Software Engineer

Available for new opportunities— Colombia —

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About

Software engineer with a strong foundation in backend development. Passionate about building clean, scalable, and maintainable applications applying SOLID principles, design patterns, and clean architecture.

Links
Jacobo Blandón

Experience

Nov 2025
— Apr 2026

Konex Innovation

Full Stack Developer

  • ·Developed backend modules using Spring Boot for sales and administrative processes within an enterprise platform.
  • ·Designed and optimized PostgreSQL database structures and queries to improve data access efficiency.
  • ·Implemented corporate user interfaces with Angular, PrimeNG, and SCSS, enhancing usability for internal users.
  • ·Contributed to CI/CD workflows using Azure DevOps, supporting more reliable and controlled deployments.
  • ·Participated in refactoring and maintenance initiatives to improve system stability and maintainability.

Feb 2025
— Aug 2025

Crystal S.A.S

Python Developer

  • ·Developed Python automation solutions to reduce manual tasks and streamline internal operational processes.
  • ·Integrated applications with MySQL databases for transactional data processing and management.
  • ·Collaborated in identifying and automating repetitive workflows, improving operational efficiency.
  • ·Built scripts and internal tools focused on workflow optimization and productivity improvements.

Projects

01
GitHub ↗

Lottery Sales App

Full-stack lottery ticket sales management system built with Spring Boot (Clean Architecture) and Angular. Features customer management, draw creation, automated ticket generation, and sales tracking with real-time updates.

Spring BootAngularH2 Database
02
GitHub ↗

Library Management API

Library Management System API built with Spring Boot, featuring JWT authentication, role-based authorization, and complete CRUD operations.

Spring BootJWTMySQL
03
GitHub ↗

Contact Flow API

FastAPI-based contact management system with JWT/OAuth2 security, MySQL database, and Docker deployment. Implements user authentication and full CRUD functionality.

FastAPIJWTMySQLDocker

Skills

Languages
  • Python
  • Java
  • TypeScript
Frameworks
  • FastAPI
  • Spring Boot
  • React
  • Angular
  • Tailwind
Tools
  • Docker
  • Git
  • Linux
Databases
  • MySQL
  • PostgreSQL

Education

2022
— 2026

EAM

Software Engineering

API

This portfolio ships with a real endpoint. Backend engineers don’t just have a website — they have an API.

jacobo@blandevv:~
$ curl https://blandevv.dev/api/profile.json

HTTP/1.1 200 OK
Content-Type: application/json

{
  "name": "Jacobo Blandón",
  "role": "Software Engineer",
  "location": "Colombia",
  "available": true,
  "focus": "Backend Engineering",
  "skills": { … },
  "projects": [ … ],
  "contact": "jacoboblandon94@gmail.com"
}
Run it yourself ↗

Contact

Available for new opportunities

Let’s build something together

or open mail client ↗