Julio César Díaz

Experience

• 2024 - Present

  Front End Developer @ Second Window

  Alicante, Spain - Remote

  Summary:

  • Designing and developing both a private admin application for internal management and a public-facing application for user engagement, focusing on secure, intuitive, and scalable solutions.

  Responsibilities:

  • Built a private admin application to manage users, roles, permissions, and content updates.
  • Created a user-friendly public application allowing users to create accounts, select subscription plans, and explore services.
  • Leveraged React, Next.js, and Tailwind CSS to build dynamic and visually cohesive front-end components.
  • Integrated authentication and data management systems to enable smooth transitions between public and private sections.
  • Collaborated closely with the client to align the development with Turing Dream's vision, using project management tools like Jira and Trello for tracking.
  • Optimized both applications for performance, ensuring fast load times, responsiveness, and scalability.
  • Established a foundation for maintenance by documenting key processes and enabling continuous improvement.

  Show more

  • React
  • Next.js
  • Tailwind
  • JavaScript
  • TypeScript
  • Jest
  • Redux
  • RESTful APIs
  • Data Management
  • Project Management (Jira)
  • Responsive Web Design
  • Performance Optimization
  • Scalability
• 2024 - 2024

  Web Developer @ Freelancer

  Alacant, Spain - Remote

  Summary:

  • Developing and maintaining websites for clients using modern web technologies. Collaborating with clients to understand their needs and deliver high-quality solutions.

  Responsibilities:

  • Designed, developed, and maintained responsive web applications using React and Next.js.
  • Collaborated closely with clients to understand their needs and translate them into effective technical solutions.
  • Optimized web application performance to ensure fast load times and smooth user experiences.
  • Worked with designers to faithfully implement UI/UX designs using Tailwind CSS for consistent styling.
  • Integrated APIs and backend services into web applications using REST and GraphQL.
  • Wrote and maintained unit and integration tests to ensure code quality using tools like Jest and React Testing Library.
  • Stayed updated with the latest trends and best practices in web development, proposing and implementing continuous improvements.
  • Created and maintained clear and concise technical documentation to facilitate project maintenance and scalability.
  • Planned and managed projects from conceptualization to final delivery, ensuring adherence to deadlines and client requirements using tools like Trello, Asana, or Jira.
  • Adapted to different technology stacks and specific project requirements, efficiently managing multiple projects simultaneously.

  Achievements:

  • Successfully designed, developed, and deployed multiple web applications using React and Next.js, improving user engagement and performance metrics.
  • Optimized existing applications, reducing load times by up to 40% through code optimization and efficient use of resources.
  • Led the front-end development of a high-traffic e-commerce platform, resulting in a significant increase in user satisfaction and sales.
  • Implemented CI/CD pipelines for front-end projects, reducing deployment times and increasing release frequency.
  • Contributed to open-source projects, enhancing community tools and gaining recognition among peers in the web development community.

  Show more

  • React
  • Next.js
  • Tailwind
  • JavaScript
  • TypeScript
  • Redux
  • RESTful APIs
  • GraphQL
  • Jest
  • React Testing Library
  • GitHub
  • CI/CD
  • Responsive Web Design
  • Agile Methodologies
• 2023 - 2024

  Web Developer / IT Specialist @ Legacy BHC

  West Palm Beach, United States - On-site

  Summary:

  • Developed and maintained various web applications and managed IT infrastructure, ensuring smooth operations and security within the company.

  Responsibilities:

  • Developed a website to manage trainings and certifications using Next.js, Jest, Tailwind, and MongoDB.
  • Created a clocking website for managing worker status and vacations.
  • Maintained and updated company websites, ensuring they were up-to-date and functional.
  • Managed Microsoft Office 365 suites and provided support for Active Directory.
  • Configured and maintained Windows Server and Hyper-V Manager.
  • Installed and configured hardware and software for optimal performance.
  • Managed and maintained the network, including LANs, VLANs, WANs, firewalls, routers, switches, and VOIP phone systems.
  • Implemented and managed backup and recovery systems to ensure data integrity.

  Achievements:

  • Developed and launched a critical internal website that streamlined employee training and certification processes.
  • Created and implemented a clocking system that improved the accuracy of employee work hour tracking and vacation management.

  Show more

  • Next.js
  • JavaScript
  • Jest
  • Tailwind
  • MongoDB
  • Microsoft Office 365
  • Active Directory
  • Windows Server
  • Hyper-V Manager
  • Network Management (LANs, VLANs, WANs)
  • Firewall Management
  • Router and Switch Configuration
  • VOIP Phone Systems
  • Backup and Recovery
• 2019 - 2021

  Web Developer & IT Specialist @ ETECSA

  Santa Clara, Cuba - On-site

  Summary:

  • Developed and maintained web applications to manage internal processes, updated legacy code, and ensured smooth IT operations within the company.

  Responsibilities:

  • Developed a website to manage telephone transfers using React, Jest, Tailwind, Django, Docker, and MariaDB.
  • Created a website to manage complaints and suggestions from workers using React, Jest, Tailwind, and MongoDB.
  • Updated legacy code and maintained older websites to ensure continued functionality and performance.

  Achievements:

  • Developed and launched a critical website for managing regional telephone transfers, streamlining communication and operations.
  • Implemented a worker complaint and suggestion management system, improving feedback mechanisms and employee satisfaction.

  Show more

  • React
  • JavaScript
  • Jest
  • Tailwind
  • Django
  • Docker
  • MariaDB
  • MongoDB
  • Legacy Code Maintenance