Arnold Restrepo Hernandez

Arnold Restrepo Hernandez

Frontend Software Engineer

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About

Frontend Developer with +8 years of experience in web and mobile development (React Native), specializing in planning and implementing scalable applications. I have a proven track record of creating user-friendly interfaces across industries such as logistics, marketing, and fintech, utilizing technologies like React.js, Next.js, and React Native. I excel in developing custom component libraries and user authentication systems, demonstrating strong collaboration and communication skills. I am passionate about continuous learning and innovation, focusing on improving development processes and enhancing digital product quality within organizations.

Looking forward to new challenges and exciting collaborations!

Experience

  1. January 2025 — September 2025

    Led and Migrate the two core applications: Plata Time and Plata Bank from React Native old version to the new version using React Native and Expo. Increment the development speed and the quality of the code. Add ADR's (Architecture Decision Records) to the codebase to improve the understanding of the codebase and the decisions made.

    • React Native
    • Expo
    • TypeScript
    • JavaScript
    • React Native
    • Codemagic
  2. March 2021 — September 2024

    Developed and maintained the fraud prevention and identity verification features using custom photo capture software, facial recognition, and Authentication process. Worked on the development of the company's internal system using Next JS, Node JS, React Native and Auth0 API.

    • React Native
    • Next.JS
    • React.JS
    • Node.JS
    • Redux
    • NX
    • Auth0
    • Storybook
  3. May 2019 — March 2021

    Key contributor to the redesign of the service flow for logistics requests, improving user authentication through JWT and centralized login, developed interfaces and features using React JS, Redux, Redux Saga, and vanilla JavaScript.

    • React JS
    • Redux
    • Redux Saga
    • SASS/PostCSS
  4. November 2016 — May 2019

    Developed over 10 significant websites using WordPress and HTML5, including major projects for clients such as Mapfre Colombia and Servientrega International.

    • WordPress
    • HTML5
    • CSS3
    • JavaScript
  5. May 2016 — November 2016

    Led the planning, design, and development of the research group's website. Developed the website using HTML5, CSS3, and JavaScript, and designed the user interface using Adobe XD.

    • JavaScript
    • HTML5
    • CSS3
    • Adobe XD
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