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Alberto Lopez Sierra

About

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Medellín, Antioquia, Colombia
Contact Alberto regarding: 
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Full-time jobs

Timeline

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Résumé

Jobs verified_user 0% verified
  • C
    Senior Application Support Specialist
    Commerce Vision
    Oct 2022 - Feb 2024 (1 year 5 months)
    Troubleshot, debugged, and resolved issues in web applications. Collaborated with development and testing teams to ensure high-quality solutions. Provided feedback and best practices for code quality and user experience improvements. Worked with technologies such as SQL Server, ASP Razor, JavaScript, and B2B customer interaction.
  • Grupo Éxito
    Support Developer
    Grupo Éxito
    Apr 2018 - Aug 2019 (1 year 5 months)
    Provided support and development for the company's grocery e-commerce platform. Worked with technologies such as SQL Server, .NET, Angular, and JavaScript. Collaborated with cross-functional teams to ensure smooth operations and improved user experience.
  • Universidad Nacional de Colombia
    Java Web Developer
    Universidad Nacional de Colombia
    Mar 2017 - Apr 2018 (1 year 2 months)
    Developed and maintained web applications for academic and administrative purposes. Worked with technologies such as Angular 1, SQL, Java, Spring, Linux Server, and JavaScript. Ensured application performance and stability on Linux-based environments.
  • Altavista Editores
    Ruby on Rails Developer
    Altavista Editores
    Jan 2016 - Sep 2016 (9 months)
    Developed and maintained applications using Ruby on Rails. Worked with Linux and PostgreSQL for server and database management. Implemented front-end functionality using JavaScript. Ensured application scalability and efficiency.
  • T
    Teacher
    Feb 2015 - Dec 2015 (11 months)
    Taught databases to students, covering both theoretical and practical aspects. Designed and delivered lessons on database concepts, SQL, and database management systems. Supported students in understanding database architecture and practical implementation.
  • T
    Java Web Developer
    TMSolutions S.A.S.
    Jan 2014 - Aug 2014 (8 months)
    Worked as an intern on the development of a new project using JavaEE, PostgreSQL, IceFaces, and Hibernate. Designed and implemented server-side components and database integration. Collaborated with senior developers to ensure best practices and efficient architecture.
  • Universidad Nacional de Colombia
    Estudiante Auxiliar
    Universidad Nacional de Colombia
    Jan 2013 - Nov 2013 (11 months)
    Supported the informatics labs by maintaining equipment and ensuring operational readiness. Assisted students and faculty in troubleshooting technical issues. Provided guidance on the use of lab systems and tools.
  • S
    Systems Engineer
Education verified_user 0% verified
  • Torrens University Australia
    General English
    Torrens University Australia
    Jan 2019
  • Universidad Nacional de Colombia
    Bachelor's Degree in Systems Engineering
    Universidad Nacional de Colombia
    Jan 2006 - Jan 2014 (8 years 1 month)
  • F
    Full-Stack Web Development with React Front-End Web Development with React Mathematics for Machine Learning Specializati