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John J. — Senior Fullstack Software Engineer from Colombia

John J.

Senior Fullstack Software Engineer

Colombia 6+ years
Open to offersNew to Platform
Languages
EnglishSpanish
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About

John J. is a seasoned Development Engineer with extensive experience in both backend and frontend environments, specializing in scalable cloud solutions and advanced AI integration. Based in Ibagué, Colombia, he is proficient in Node.js, Java, and Python, utilizing these skills to enhance software development processes. His career spans roles at Naranja X and The Flock, where he played crucial roles in system migrations and full-stack integrations. At Naranja X, he led efforts to migrate legacy systems to Node.js within AWS frameworks, while at The Flock, he optimized booking systems in real-time. John is adept in cloud architectures using AWS, including services like Lambda and RDS, and is skilled in clean code principles and modern AI tools. Throughout his career, he has demonstrated a unique ability to blend technical expertise with an entrepreneurial approach, improving IT infrastructures and delivery timelines across various sectors.

Experience

  • AI Engineer

    Freelance · 2026 — Present
    Created 'AI-first' products, which included APIs, accounting software, and intelligent agent servers.
  • Backend / Fullstack Development Engineer

    The Flock · 2021 — 2026
    Facilitated end-to-end integration with Nemo in production to enable real-time booking traceability.
  • Fullstack Development Engineer

    Orbis Data · 2022 — 2023
    Stabilized platforms and addressed critical issues to guarantee full client satisfaction.
  • Backend Migration & Cloud Engineer

    Naranja X · 2022 — Present
    Played a key role in designing and implementing scalable backend solutions while migrating legacy COBOL systems to Node.js.
  • Fullstack Development Engineer

    Inversiones Acasa S.A.S. · 2022 — 2022
    Delivered significant features and successfully launched a new product into production swiftly.
  • Backend Developer (Junior)

    Masivian S.A.S. · 2021 — 2022
    Acquired experience in AWS cloud environments and implemented event-oriented components.
  • Backend Development Engineer

    Novatec Solutions · 2021 — 2021
    Established RESTful API structure for the Claro Inspira project.
  • Fullstack Software Engineer

    Freelance Software Engineer · 2016 — 2020
    Designed and developed comprehensive software solutions along with EMR systems for diverse industries.
  • Technology Support Coordinator

    Supervisa S.A. · 2018 — 2020
    Oversaw technical support and created a remote access control system using Raspberry Pi.
  • IT Systems Manager

    Medicadiz S.A.S. · 2014 — 2018
    Centralized IT infrastructure while enhancing data management processes.
  • Development Lead / Systems Manager

    Medicadiz S.A.S. (Progression) · 2006 — 2014
    Led in-house EMR development and upgraded network architecture utilizing Cisco.

Skills & Expertise

Education

  • Systems engineer
    University of Tolima · 2004 — 2010
  • CISCO CCNA Diploma
    University of Tolima · 2009 — 2010

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