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Yuliana Arango LopezYA

Yuliana Arango Lopez

Software Developer

€250/day
Medellín, CO
3-7 years
Java Spring Boot
API REST
MySQL
PHP
Web Development

Average response time: 1 hour

Freelancer profile translated to English.
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About Yuliana

Software developer with 4 years of experience, specializing in backend development with Java and Spring Boot. I have led and implemented scalable web solutions in sectors such as health and commerce, optimizing critical processes through REST and GraphQL APIs. With a focus on quality and automated testing (TDD), I handle tools such as JUnit, Mockito, Docker, and Git. I also have experience providing support and adjustments to frontend components in Angular and React, allowing for seamless integration between layers. I thrive in agile environments, focused on delivering reliable, maintainable software with real impact.

  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • ChenMed (Remoto)
    Back-End Developer
    November 2022 - Today (3 years and 7 months)
    Medellín, Colombia
    • Maintained and optimized key services for the billing and claims management process, improving the management of sensitive patient information.
    • Implemented REST and GraphQL APIs with Java 21 and Spring Boot, optimizing integration between system modules.
    • Performed maintenance and adjustments on frontend components developed in Angular and React, improving compatibility and correcting incidents reported by users and QA.
    • Managed MySQL and MongoDB databases, optimizing queries and ensuring data integrity.
    • Increased code quality through test-driven development (TDD) with JUnit and Mockito, increasing test coverage.
    • Collaborated in agile environments using Git, Jira, Docker, and Bitbucket, ensuring continuous and maintainable deliveries.
    GraphQL React.js Angular MongoDB TDD
  • One Consultants
    Full Stack Web Developer
    March 2022 - October 2022 (7 months)
    Sabaneta, Antioquia, Colombia
    • Built web solutions for the management of VA Company products and services, improving the user experience.
    • Developed modules in PHP and MySQL under the CakePHP framework, optimizing response times and performance.
    • Designed interactive interfaces in HTML5, CSS3, Bootstrap, and jQuery, ensuring cross-browser compatibility.
    • Implemented dynamic functionalities with Ajax, correcting detected errors and improving usability.
    PHP MySQL cakePHP HTML5 JavaScript
  • SENA – Unidad de Servicios Tecnológicos
    Technical Assistant – Software Factory
    March 2021 - March 2022 (1 year)
    Medellín, AN, Colombia
    • Developed and maintained internal applications to optimize processes at the SENA Habitat and Construction Center.
    • Analyzed and documented user requirements, transforming them into functional solutions.
    • Designed a web system for survey analysis, improving data collection and visualization.
    PHP HTML5 JavaScript CSS3 MySQL
Check out Yuliana's experience

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Education

  • Software Engineering
    Politécnico Grancolombiano
    2025
    Ingeniería de Software
  • Technology in Analysis and Development of Information Systems
    SENA
    2020
    Tecnología en Análisis y Desarrollo de Sistemas de Información

Skill set

GraphQL
React.js
Angular
MongoDB
TDD
cakePHP
HTML5
JavaScript
CSS3

Categories