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Julio César DíazJC

Julio César Díaz

Front End Developer

€250/day
Alicante, ES
3-7 years

Average response time: 1 hour

About Julio César

Software Engineer with expertise in front-end development, specializing in creating responsive and dynamic web
applications using React and Next.js. Graduated from Central University of Las Villas with a Bachelor's degree in
Software Engineering. Passionate about building user-centered digital experiences and continuously enhancing my
skills in the latest web technologies.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Second Window
    Front End Developer
    October 2024 - Today (1 year and 7 months)
    Spain
    Main Developer in the following projects:
    • Turing Dream
    Developed two robust web applications: an admin panel and a public-facing platform.
    • Tech: React, TailwindCSS, ShadCN, Zustand, React Router
    • Features: Multi-role auth via Azure AD, Stripe for subscription plans, account/user linkage
    • Role: Led all UI/UX development, API integration, and architecture decisions. Delivered a scalable
    platform for AI-powered educational services.
    • Balsain Almena (Cloud Infrastructure Builder)
    Created a drag-and-drop tool that lets users design and deploy cloud architectures across AWS, Azure, GCP and
    others.
    • Tech: React, Zustand, TailwindCSS, ShadCN, XYFlow, React Testing Library
    • Role: Built the full front-end from scratch, including dynamic cost calculations and automated
    provisioning triggers.
    React.js Tailwind React Flow Zod Zustand
  • Freelancer
    Front End Developer
    April 2024 - October 2024 (6 months)
    Spain
    • Developed a sports betting web app using React, TailwindCSS, Shadcn, and AWS (Amplify & Cognito) for
    placing bets on baseball, basketball, and football.
    • Implemented authentication, responsive UI, and real-time data handling for a smooth user experience.
    • Ensured code quality through unit and integration tests with Jest and React Testing
    React.js Tailwind Zod AWS Axios
  • Legacy Behavior Health Center
    Web developer
    January 2023 - March 2024 (1 year and 2 months)
    Palm Springs, United States
    • Built internal tools for managing employee certifications, trainings, and vacation tracking using Next.js, T
    ailwindCSS, MongoDB, and AWS.
    • Translated Figma designs into fully responsive interfaces.
    • Wrote unit and integration tests with Jest and React Testing Library.
    • Optimized applications for performance and scalability.
    • Handled website maintenance, version control with Git, and deployment on AWS.
    Next.js React.js Tailwind redux MongoDB

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Education

  • Bachelor's degree in Software Engineering.
    Central University of Las Villas
    Bachelor's degree in Software Engineering.
  • Universidad Central de las Villas
    2021

Skill set

Categories