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Juan MárquezJM

Juan Márquez

Full Stack Developer Senior

€100/day
Barranquilla, CO
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Juan

I help companies scale their digital products through robust software architecture and high-level Full Stack development.

With over 20 years of experience, I bring a comprehensive vision that combines development withPython,**.NET, Node.js, Angular (almost any language)**, along with solid infrastructure management in Azure and AWS. My added value is the ability to design solutions underSOLID and Clean Architectureprinciples, ensuring maintainable, secure, and growth-optimized systems.

I usually manage projects such as:

  • Modernizing monolithic architectures to microservices.
  • Comprehensive development of SaaS platforms and critical systems for financial, health, and other sectors.
  • Optimization of high-traffic databases (SQL Server, PostgreSQL) and implementation of CI/CD pipelines.
  • Integration of complex protocols (ISO8583) and hybrid cloud systems.
  • Spanish

    Native or bilingual

  • English

    Basic

Remote only
Primarily works remotely

Experience

  • DXC Technology (Cliente Avianca)
    Full Stack Developer
    TRAVEL AND TOURISM
    November 2023 - Today (2 years and 9 months)
    Bogotá, Colombia
    • - Development and maintenance of enterprise applications with .NET Core, Angular, Azure Cloud, SQL, and NoSQL. Led development team for Avianca Trade product.
    Angular Scrum Azure DevOps IT Architecture SonarQube
  • Manpower - Experis (Cliente DXC Technology/Avianca)
    Full Stack Developer
    HEALTH AND WELLNESS
    July 2022 - January 2023 (6 months)
    Barranquilla, Colombia
    • - Development of enterprise applications with .NET Core, Angular, Azure. Maintenance of existing platforms in cloud environments. SQL and NoSQL. Member of the Dev Team for Avianta Toolbox, Avianca companies, Avianca.
    Typescript Web Development Data Analysis Web Scraping Python
  • Viva1A IPS
    Full Stack Development Analyst
    MEDICAL
    July 2021 - July 2022 (1 year)
    Barranquilla, Colombia
    Development and maintenance of medical-administrative tools, web scraping, python apps, REST API.

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Education

  • Technologist in Software Development
    Corporación Universitaria Politécnico Costa Atlántica
    2022
    Tecnólogo en Desarrollo de Software
  • Secondary Education
    1993
    Secundaria

Skill set

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