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Achievement: Pull Sharkx3Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Quickdraw

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Bardolog1/README.md

Libardo Lozano

Professional banner Top separator

Hi 👋! I'm Libardo Lozano

Senior Backend Developer → Tech Lead

Experience Domain Focus Read in Spanish

Typing introduction

Senior Backend Developer with 8+ years of experience building, evolving and supporting mission-critical enterprise platforms, including 4+ years in banking (CGI - BBVA Colombia). Specialized in Java and the Spring ecosystem, with a strong focus on distributed architectures, microservices, event-driven systems, and clean/hexagonal design.

  • Core stack: Java, Spring Boot, Spring Security, Spring Modulith.
  • Architecture focus: microservices, event-driven systems, and low-coupling design.
  • Domain experience: BBVA stack (APX, ASO, CELLS), ISO 20022 / CAMT.053, Bre-B, Redeban, and enterprise modernization.
  • Current path: growing into Tech Lead / Software Architect responsibilities.
 Libardo Lozano profile photo

3D contributions

Contributions snake

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Principal Stack

Stack oriented to enterprise backend architecture with full-stack capability to deliver end-to-end solutions.

Frontend

Frontend Stack Polymer

Backend & Architecture

Backend Stack COBOL Host Mainframe

Cloud & DevOps

Cloud & DevOps SonarQube

Repositories

Total repositories Public repositories Private repositories
Microservices-Project-Spring thinking-orbs-colorized blog-arq-software

A selection of public projects. Explore more in the repositories tab.


Certifications & Courses

A curated selection of certifications and courses. Full list available on LinkedIn.

  • APX Expert — Net4skills, Mar 2026 (BBVA Extended Java Backend)
  • Microservices with Spring Cloud & Apache Kafka — May 2026
  • Full Stack Enterprise: Spring Boot 4 + Angular 21 — Udemy, Mar 2026
  • AWS Certified Cloud Practitioner — Amazon Web Services, Dec 2024
  • IBM Mainframe Developer Specialization — Coursera/IBM, Jun 2024
  • Java Fundamentals — Oracle, Nov 2023
  • Clean / Hexagonal Architecture — Platzi, Oct 2024
  • Professional DevOps (Docker, Jenkins) — Platzi, Oct 2024
  • Java Spring Security + Spring Data JPA — Platzi, 2024
  • SC-100 Microsoft Cybersecurity Architect — Microsoft, Oct 2023
  • AI-050: Developing Generative AI Solutions with Azure — Microsoft, Nov 2023
  • Scrum Foundation Professional (SFP™) — CertiProf, Oct 2023

Public profiles:

Contact

Open to Senior Backend, Tech Lead and software architecture opportunities.

Email WhatsApp Portfolio LinkedIn Telegram GitHub

Location: Medellín · Bogotá, Colombia Open to relocation across Colombia and internationally EU work permit holder (work visa, not citizenship)

gh actions

Automatic Metrics Panel

Automatically updated with GitHub Actions every 6 hours.

Repositories Commits Pull Requests Stars

Java 47.70% HTML 18.42% Python 15.62% JavaScript 10.61% CSS 2.36% TypeScript 2.05%

Last updated: Tuesday, October 6, 2026 at 23:22:16 (America/Bogota)


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  1. Microservices-Project-Spring Microservices-Project-Spring Public

    Este proyecto consiste en una aplicación basada en microservicios desarrollada con Spring Boot. La arquitectura se compone de tres microservicios: Products, Inventory y Orders.

    Java 9 1

  2. pokemon-wiki pokemon-wiki Public

    Pokédex interactiva con filtro por tipo, búsqueda por nombre o número, favoritos y una Pokédex retro. Lit, Vite y PokéAPI.

    JavaScript

  3. devchallengers-weather-app devchallengers-weather-app Public

    JavaScript 1

  4. usersapp-react usersapp-react Public

    JavaScript

  5. ming-marketplace-web ming-marketplace-web Public

    JavaScript 2

  6. thinking-orbs-colorized thinking-orbs-colorized Public

    Forked from Jakubantalik/thinking-orbs

    Dotted thought-orb loading indicators for AI & agent UIs — six tuned states, two sizes, auto dark/light

    TypeScript